首页 > 题库 > 350-401
« 返回题库列表

2026 CCNP 350-401练习题及答案解析|ENCOR核心考点强化训练

问题 #1
Which function does a fabric edge node perform in an SD-Access deployment?
A. Connects endpoints to the fabric and forwards their traffic.
B. Encapsulates end-user data traffic into LISP.
C. Connects the SD-Access fabric to another fabric or external Layer 3 networks.
D. Provides reachability between border nodes in the fabric underlay.
正确答案:A
问题 #2
Refer to the exhibit. Which privilege level is assigned to VTY users?
A. 1
B. 7
C. 13
D. 15
正确答案:A
问题 #3
What is the difference between a RIB and a FIB?
A. The FIB is populated based on RIB content.
B. The RIB maintains a minor image of the FIB.
C. The RIB is used to make IP source prefix-based switching decisions.
D. The FIB is where all IP routing information is stored.
正确答案:A
问题 #4
Which requirement for an Ansible-managed node is true?
A. It must have an SSH server running.
B. It must be a Linux server or a Cisco device.
C. It must support ad hoc commands.
D. It must have an Ansible Tower installed.
正确答案:A
问题 #5
A client device fails to see the enterprise SSID, but other client devices are connected to it. What is the cause of this issue?
A. The client has incorrect credentials stored for the configured broadcast SSID.
B. The hidden SSID was not manually configured on the client.
C. The broadcast SSID was not manually configured on the client.
D. The client has incorrect credentials stored for the configured hidden SSID.
正确答案:B
问题 #6
Which two descriptions of FlexConnect mode for Cisco APs are true? (Choose two.)
A. APs that operate in FlexConnect mode cannot detect rogue APs
B. FlexConnect mode is used when the APs are set up in a mesh environment and used to bridge between each other.
C. FlexConnect mode is a feature that is designed to allow specified CAPWAP-enabled APs to exclude themselves from managing data traffic between clients and infrastructure.
D. When connected to the controller, FlexConnect APs can tunnel traffic back to the controller
E. FlexConnect mode is a wireless solution for branch office and remote office deployments
正确答案:DE
问题 #7
Which OSPF network types are compatible and allow communication through the two peering devices?
A. point-to-multipoint to nonbroadcast
B. broadcast to nonbroadcast
C. point-to-multipoint to broadcast
D. broadcast to point-to-point
正确答案:B
问题 #8
Which NGFW mode blocks flows crossing the firewall?
A. tap
B. inline
C. passive
D. inline tap
正确答案:B
问题 #9
Which statement about route targets is true when using VRF-Lite?
A. Route targets control the import and export of routes into a customer routing table.
B. When BGP is configured, route targets are transmitted as BGP standard communities.
C. Route targets allow customers to be assigned overlapping addresses.
D. Route targets uniquely identify the customer routing table.
正确答案:A
问题 #10
How does Cisco TrustSec enable more flexible access controls for dynamic networking environments and data centers?
A. uses flexible NetFlow
B. assigns a VLAN to the endpoint
C. classifies traffic based on advanced application recognition
D. classifies traffic based on the contextual identity of the endpoint rather than its IP address
正确答案:D
问题 #11
Refer to the exhibit. Which statement about the OPSF debug output is true?
A. The output displays OSPF hello messages which router R1 has sent or received on interface Fa0/1.
B. The output displays OSPF messages which router R1 has sent or received on all interfaces.
C. The output displays OSPF messages which router R1 has sent or received on interface Fa0/1.
D. The output displays OSPF hello and LSACK messages which router R1 has sent or received.
正确答案:A
问题 #12
Which LISP infrastructure device provides connectivity between non-LISP sites and LISP sites by receiving non-LISP traffic with a LISP site destination?
A. PITR
B. map resolver
C. map server
D. PETR
正确答案:A
问题 #13
Which two protocols are used with YANG data models? (Choose two.)
A. TLS
B. RESTCONF
C. SSH
D. NETCONF
E. HTTPS
正确答案:BD
问题 #14
Which HTTP status code is the correct response for a request with an incorrect password applied to a REST API session?
A. HTTP Status Code: 200
B. HTTP Status Code: 302
C. HTTP Status Code: 401
D. HTTP Status Code: 504
正确答案:C
问题 #15
The login method is configured on the VTY lines of a router with these parameters. . The first method for authentication is TACACS . If TACACS is unavailable, login is allowed without any provided credentials Which configuration accomplishes this task?
A.
B.
C.
D.
正确答案:D
问题 #16
Which statement about multicast RPs is true?
A. RPs are required only when using protocol independent multicast dense mode.
B. RPs are required for protocol independent multicast sparse mode and dense mode.
C. By default, the RP is needed periodically to maintain sessions with sources and receivers.
D. By default, the RP is needed only to start new sessions with sources and receivers.
正确答案:D
问题 #17
To increase total throughput and redundancy on the links between the wireless controller and switch, the customer enabled LAG on the wireless controller. Which EtherChannel mode must be configured on the switch to allow the WLC to connect?
A. Active
B. Passive
C. On
D. Auto
正确答案:C
问题 #18
Which feature does Cisco TrustSec use to provide scalable, secure communication throughout a network?
A. security group tag ACL assigned to each port on a switch
B. security group tag number assigned to each user on a switch
C. security group tag number assigned to each port on a network
D. security group tag ACL assigned to each router on a network
正确答案:B
问题 #19
An engineer configures a WLAN with fast transition enabled. Some legacy clients fail to connect to this WLAN. Which feature allows the legacy clients to connect while still allowing other clients to use fast transition based on their OUIs?
A. over the DS
B. 802.11k
C. adaptive R
D. 802.11v
正确答案:C
问题 #20
Which exhibit displays a valid JSON file?
A.
B.
C.
D.
正确答案:D
问题 #21
A network administrator is implementing a routing configuration change and enables routing debugs to track routing behavior during the change. The logging output on the terminal is interrupting the command typing process. Which two actions can the network
A. Configure the logging synchronous global configuration command.
B. Configure the logging synchronous command under the vty.
C. Increase the number of lines on the screen using the terminal length command.
D. Configure the logging delimiter feature.
E. Press the TAB key to reprint the command in a new line.
正确答案:BE
问题 #22
Which two pieces of information are necessary to compute SNR? (Choose two.)
A. transmit power
B. noise floor
C. EIRP
D. antenna gain
E. RSSI
正确答案:BE
问题 #23
Which statements are used for error handling in Python?
A. try/catch
B. catch/release
C. block/rescue
D. try/except
正确答案:D
问题 #24
What are two benefits of virtualizing the server with the use of VMs in a data center environment? (Choose two.)
A. reduced rack space, power, and cooling requirements
B. smaller Layer 2 domain
C. increased security
D. speedy deployment
E. reduced IP and MAC address requirements
正确答案:AD
问题 #25
Which two steps are required for a complete Cisco DNA Center upgrade? (Choose two.)
A. automation backup
B. system update
C. golden image selection
D. proxy configuration
E. application updates
正确答案:BE
问题 #26
What is a benefit of data modeling languages like YANG?
A. They create more secure and efficient SNMP OIDs.
B. They provide a standardized data structure, which results in configuration scalability and consistency.
C. They enable programmers to change or write their own applications within the device operating system.
D. They make the CLI simpler and more efficient.
正确答案:B
问题 #27
Refer to the exhibit. What is the JSON syntax that is formed from the data?
A. {Name: Bob Johnson, Age: 75, Alive: true, Favorite Foods: [Cereal, Mustard, Onions]}
B. {"Name": "Bob Johnson", "Age": 75, "Alive": true, "Favorite Foods": ["Cereal", "Mustard", "Onions"]}
C. {'Name': 'Bob Johnson', 'Age': 75, 'Alive': True, 'Favorite Foods': 'Cereal', 'Mustard', 'Onions'}
D. {"Name": "Bob Johnson", "Age": Seventyfive, "Alive": true, "Favorite Foods": ["Cereal", "Mustard", "Onions"]}
正确答案:B
问题 #28
Based on this interface configuration, what is the expected state of OSPF adjacency?
A. 2WAY/DROTHER on both routers
B. not established
C. FULL on both routers
D. FULL/BDR on R1 and FULL/BDR on R2
正确答案:B
问题 #29
Refer to the exhibit. Link1 is a copper connection and Link2 is a fiber connection. The fiber port must be the primary port for all forwarding. The output of the show spanning-tree command on SW2 shows that the fiber port is blocked by spanning tree. An e
A. Enter spanning-tree port-priority 4 on SW2.
B. Enter spanning-tree port-priority 32 on SW1.
C. Enter spanning-tree port-priority 224 on SW1.
D. Enter spanning-tree port-priority 64 on SW2.
正确答案:B
问题 #30
Which JSON syntax is valid?
A. {"switch": "name": "dist1", "interfaces": ["gig1", "gig2", "gig3"]}
B. {/"switch/": {/"name/": "dist1", /"interfaces/": ["gig1", "gig2", "gig3"]}}
C. {"switch": {"name": "dist1", "interfaces": ["gig1", "gig2", "gig3"]}}
D. {'switch': ('name': 'dist1', 'interfaces': ['gig1', 'gig2', 'gig3'])}
正确答案:C
问题 #31
What are two common sources of interference for Wi-Fi networks? (Choose two.)
A. LED lights
B. radar
C. fire alarm
D. conventional oven
E. rogue AP
正确答案:BE
问题 #32
When using TLS for syslog, which configuration allows for secure and reliable transportation of messages to its default port?
A. logging host 10.2.3.4 vrf mgmt transport tcp port 514
B. logging host 10.2.3.4 vrf mgmt transport udp port 514
C. logging host 10.2.3.4 vrf mgmt transport tcp port 6514
D. logging host 10.2.3.4 vrf mgmt transport udp port 6514
正确答案:C
问题 #33
Which behavior can be expected when the HSRP version is changed from 1 to 2?
A. No changes occur because the standby router is upgraded before the active router.
B. No changes occur because version 1 and 2 use the same virtual MAC OUI.
C. Each HSRP group reinitializes because the virtual MAC address has changed.
D. Each HSRP group reinitializes because the multicast address has changed.
正确答案:C
问题 #34
Which protocol does REST API rely on to secure the communication channel?
A. HTTP
B. SSH
C. HTTPS
D. TCP
正确答案:C
问题 #35
Refer to this output. R1# *Feb 14 37:09:53.129: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up What is the logging severity level?
A. notification
B. emergency
C. critical
D. alert
正确答案:A
问题 #36
Refer to the exhibit. Which IP address becomes the active next hop for 192.168.102.0/24 when 192.168.101.2 fails?
A. 192.168.101.10
B. 192.168.101.14
C. 192.168.101.6
D. 192.168.101.18
正确答案:D
问题 #37
Which PAgP mode combination prevents an EtherChannel from forming?
A. auto/desirable
B. desirable/desirable
C. desirable/auto
D. auto/auto
正确答案:D
问题 #38
If a VRRP master router fails, which router is selected as the new master router?
A. router with the lowest priority
B. router with the highest priority
C. router with the highest loopback address
D. router with the lowest loopback address
正确答案:B
问题 #39
Which QoS component alters a packet to change the way that traffic is treated in the network?
A. policing
B. classification
C. marking
D. shaping
正确答案:C
问题 #40
Refer to the exhibit. Assuming that R1 is a CE router, which VRF is assigned to Gi0/0 on R1?
A. default VRF
B. VRF VPN_A
C. VRF VPN_B
D. management VRF
正确答案:A
问题 #41
Refer to the exhibit. Based on the configuration in this WLAN security setting, which method can a client use to authenticate to the network?
A. text string
B. username and password
C. RADIUS token
D. certificate
正确答案:A
问题 #42
Which two mechanisms are available to secure NTP? (Choose two.)
A. IPsec
B. IP prefix list-based
C. encrypted authentication
D. TACACS-based authentication
E. IP access list-based
正确答案:CE
问题 #43
Which technology provides a secure communication channel for all traffic at Layer 2 of the OSI model?
A. SSL
B. Cisco TrustSec
C. MACsec
D. IPsec
正确答案:C
问题 #44
Refer to the exhibit. An engineer must block all traffic from a router to its directly connected subnet 209.165.200.0/24. The engineer applies access control list EGRESS in the outbound direction on the GigabitEthernet0/0 interface of the router. However,
A. Access control lists that are applied outbound to a router interface do not affect traffic that is sourced from the router.
B. After an access control list is applied to an interface, that interface must be shut and no shut for the access control list to take effect.
C. Only standard access control lists can block traffic from a source IP address.
D. The access control list must contain an explicit deny to block traffic from the router.
正确答案:A
问题 #45
Which two methods are used by an AP that is trying to discover a wireless LAN controller? (Choose two.)
A. Cisco Discovery Protocol neighbor
B. querying other APs
C. DHCP Option 43
D. broadcasting on the local subnet
E. DNS lookup CISCO-DNA-PRIMARY.localdomain
正确答案:CD
问题 #46
Which IP SLA operation requires the IP SLA responder to be configured on the remote end?
A. UDP jitter
B. ICMP jitter
C. TCP connect
D. ICMP echo
正确答案:A
问题 #47
Which statement explains why Type 1 hypervisor is considered more efficient than Type2 hypervisor?
A. Type 1 hypervisor is the only type of hypervisor that supports hardware acceleration techniques.
B. Type 1 hypervisor relies on the existing OS of the host machine to access CPU, memory, storage, and network resources.
C. Type 1 hypervisor runs directly on the physical hardware of the host machine without relying on the underlying OS.
D. Type 1 hypervisor enables other operating systems to run on it.
正确答案:C
问题 #48
A client with IP address 209.165.201.25 must access a web server on port 80 at 209.165.200.225. To allow this traffic, an engineer must add a statement to an access control list that is applied in the inbound direction on the port connecting to the web se
A. permit tcp host 209.165.200.225 lt 80 host 209.165.201.25
B. permit tcp host 209.165.201.25 host 209.165.200.225 eq 80
C. permit tcp host 209.165.200.225 eq 80 host 209.165.201.25
D. permit tcp host 209.165.200.225 host 209.165.201.25 eq 80
正确答案:C
问题 #49
In OSPF, which LSA type is responsible for pointing to the ASBR router?
A. type 1
B. type 2
C. type 3
D. type 4
正确答案:D
问题 #50
Refer to the exhibit. VLANs 50 and 60 exist on the trunk links between all switches. All access ports on SW3 are configured for VLAN 50 and SW1 is the VTP server. Which command ensures that SW3 receives frames only from VLAN 50?
A. SW1(config)#vtp mode transparent
B. SW3(config)#vtp mode transparent
C. SW2(config)#vtp pruning
D. SW1(config)#vtp pruning
正确答案:D
问题 #51
Which statement about a fabric access point is true?
A. It is in local mode and must be connected directly to the fabric edge switch.
B. It is in local mode and must be connected directly to the fabric border node
C. It is in FlexConnect mode and must be connected directly to the fabric border node.
D. It is in FlexConnect mode and must be connected directly to the fabric edge switch.
正确答案:A
问题 #52
Which First Hop Redundancy Protocol maximizes uplink utilization and minimizes the amount of configuration that is necessary?
A. GLBP
B. HSRP v2
C. VRRP
D. HSRP v1
正确答案:A
问题 #53
Which standard access control entry permits traffic from odd-numbered hosts in the 10.0.0.0/24 subnet?
A. permit 10.0.0.0 0.0.0.1
B. permit 10.0.0.1 0.0.0.254
C. permit 10.0.0.1 0.0.0.0
D. permit 10.0.0.0 255.255.255.254
正确答案:B
问题 #54
Refer to the exhibit. Which configuration establishes EBGP connected neighborship between these two directly connected neighbors and exchanges the loopback network of the two routers through BGP?
A. R1(config)#router bgp 1
R1(config-router)#neighbor 192. 168.10.2 remote-as 2
R1(config-router)#network 10. 1.1.0 mask 255.255.255.0
R2(config-router)#neighbor 192. 168.10.1 remote-as 1
R2(config-router)#network 10. 2.2.0 mask 255.255.255.0
B. R1(config)#router bgp 1
R1(config-router)#neighbor 10. 2.2.2 remote-as 2
R1(config-router)#network 10. 1.1.0 mask 255.255.255.0
R2(config-router)#neighbor 10. 1.1.1 remote-as 1
R2(config-router)#network 10. 2.2.0 mask 255.255.255.0
C. R1(config)#router bgp 1
R1(config-router)#neighbor 192. 168.10.2 remote-as 2
R1(config-router)#network 10. 0.0.0 mask 255.0.0.0
R2(config-router)#neighbor 192. 168.10.1 remote-as 1
R2(config-router)#network 10. 0.0.0 mask 255.0.0.0
D. R1(config)#router bgp 1
R1(config-router)#neighbor 10. 2.2.2 remote-as 2
R1(config-router)#neighbor 10. 2.2.2 update-source lo0
R1(config-router)#network 10. 1.1.0 mask 255.255.255.0
R2(config-router)#neighbor 10. 1.1.1 remote-as 1
R2(config-router)#neighbor 10. 1.1.1 update-source lo0
R2(config-router)#network 10. 2.2.0 mask 255.255.255.0
正确答案:A
问题 #55
Refer to the exhibit. Which type of antenna do the radiation patterns present?
A. Yagi
B. patch
C. omnidirectional
D. dipole
正确答案:B
问题 #56
Which method creates an EEM applet policy that is registered with EEM and runs on demand or manually?
A. event manager applet ondemand
action 1. 0 syslog priority critical msg 'This is a message from ondemand'
B. event manager applet ondemand
action 1. 0 syslog priority critical msg 'This is a message from ondemand'
C. event manager applet ondemand
action 1. 0 syslog priority critical msg 'This is a message from ondemand'
D. event manager applet ondemand
action 1. 0 syslog priority critical msg 'This is a message from ondemand'
正确答案:A
问题 #57
An engineer is configuring local web authentication on a WLAN. The engineer chooses the Authentication radio button under the Layer 3 Security options for Web Policy. Which device presents the web authentication for the WLAN?
A. ISE server
B. RADIUS server
C. anchor WLC
D. local WLC
正确答案:D
问题 #58
Which controller is the single plane of management for Cisco SD-WAN?
A. vBond
B. vSmart
C. vManage
D. vEdge
正确答案:C
问题 #59
A network is being migrated from IPv4 to IPv6 using a dual-stack approach. Network management is already 100% IPv6 enabled. In a dual-stack network with two dual-stack NetFlow collectors, how many flow exporters are needed per network device in the flexib
A. 1
B. 2
C. 4
D. 8
正确答案:B
问题 #60
Which statement about TLS is true when using RESTCONF to write configurations on network devices?
A. It is used for HTTP and HTTPS requests.
B. It requires certificates for authentication.
C. It is provided using NGINX acting as a proxy web server.
D. It is not supported on Cisco devices.
正确答案:C
问题 #61
Which reason could cause an OSPF neighborship to be in the EXSTART/EXCHANGE state?
A. mismatched OSPF link costs
B. mismatched OSPF network type
C. mismatched areas
D. mismatched MTU size
正确答案:D
问题 #62
Which LISP device is responsible for publishing EID-to-RLOC mappings for a site?
A. ETR
B. MR
C. ITR
D. MS
正确答案:A
问题 #63
Which method does the enable secret password option use to encrypt device passwords?
A. MD5
B. PAP
C. CHAP
D. AES
正确答案:A
问题 #64
Which statement about agent-based versus agentless configuration management tools is true?
A. Agentless tools use proxy nodes to interface with slave nodes.
B. Agentless tools require no messaging systems between master and slaves.
C. Agent-based tools do not require a high-level language interpreter such as Python or Ruby on slave nodes.
D. Agent-based tools do not require installation of additional software packages on the slave nodes.
正确答案:B
问题 #65
Which statement about Cisco Express Forwarding is true?
A. The CPU of a router becomes directly involved with packet switching decisions.
B. It uses a fast cache that is maintained in a router data plane.
C. It maintains two tables in the data plane: the FIB and adjacency table.
D. It makes forwarding decisions by a process that is scheduled through the IOS scheduler.
正确答案:C
问题 #66
Refer to the exhibit. What are two effects of this configuration? (Choose two.)
A. It establishes a one-to-one NAT translation.
B. The 209.165.201.0/27 subnet is assigned as the outside local address range.
C. The 10.1.1.0/27 subnet is assigned as the inside local addresses.
D. Inside source addresses are translated to the 209.165.201.0/27 subnet.
E. The 10.1.1.0/27 subnet is assigned as the inside global address range.
正确答案:CD
问题 #67
When configuring WPA2 Enterprise on a WLAN, which additional security component configuration is required?
A. PKI server
B. NTP server
C. RADIUS server
D. TACACS server
正确答案:C
问题 #68
What is the structure of a JSON web token?
A. three parts separated by dots: header, payload, and signature
B. three parts separated by dots: version, header, and signature
C. header and payload
D. payload and signature
正确答案:A
问题 #69
A response code of 404 is received while using the REST API on Cisco DNA Center to POST to this URI: /dna/intent/api/v1/template-programmer/project What does the code mean?
A. The POST/PUT request was fulfilled and a new resource was created. Information about the resource is in the response body.
B. The request was accepted for processing, but the processing was not completed.
C. The client made a request for a resource that does not exist.
D. The server has not implemented the functionality that is needed to fulfill the request.
正确答案:C
问题 #70
What is a benefit of deploying an on-premises infrastructure versus a cloud infrastructure deployment?
A. ability to quickly increase compute power without the need to install additional hardware
B. less power and coding resources needed to run infrastructure on-premises
C. faster deployment times because additional infrastructure does not need to be purchased
D. lower latency between systems that are physically located near each other
正确答案:D
问题 #71
A customer has several small branches and wants to deploy a Wi-Fi solution with local management using CAPWAP. Which deployment model meets this requirement?
A. local mode
B. autonomous
C. SD-Access wireless
D. Mobility Express
正确答案:A
问题 #72
Which two operations are valid for RESTCONF? (Choose two.)
A. PULL
B. PUSH
C. PATCH
D. REMOVE
E. ADD
F. HEAD
正确答案:CF
问题 #73
Refer to the exhibit. The WLC administrator sees that the controller to which a roaming client associates has Mobility Role Anchor configured under Clients > Detail. Which type of roaming is supported?
A. indirect
B. Layer 3 intercontroller
C. intracontroller
D. Layer 2 intercontroller
正确答案:B
问题 #74
In which part of the HTTP message is the content type specified?
A. HTTP method
B. body
C. header
D. URI
正确答案:C
问题 #75
Which statement about VXLAN is true?
A. VXLAN encapsulates a Layer 2 frame in an IP-UDP header, which allows Layer 2 adjacency across router boundaries.
B. VXLAN uses the Spanning Tree Protocol for loop prevention.
C. VXLAN extends the Layer 2 Segment ID field to 24-bits, which allows up to 4094 unique Layer 2 segments over the same network.
D. VXLAN uses TCP as the transport protocol over the physical data center network.
正确答案:A
问题 #76
What is the fact about Cisco EAP-FAST?
A. It requires a client certificate.
B. It is an IETF standard.
C. It does not require a RADIUS server certificate.
D. It operates in transparent mode.
正确答案:C
问题 #77
What do Cisco DNA southbound APIs provide?
A. interface between the controller and the consumer
B. RESTful API interface for orchestrator communication
C. interface between the controller and the network devices
D. NETCONF API interface for orchestrator communication
正确答案:C
问题 #78
Which DNS lookup does an access point perform when attempting CAPWAP discovery?
A. CISCO-CONTROLLER.local
B. CAPWAP-CONTROLLER.local
C. CISCO-CAPWAP-CONTROLLER.local
D. CISCO-DNA-CONTROLLER.local
正确答案:C
问题 #79
Which TCP setting is tuned to minimize the risk of fragmentation on a GRE/IP tunnel?
A. MSS
B. MTU
C. MRU
D. window size
正确答案:A
问题 #80
Which statement about an RSPAN session configuration is true?
A. Only one session can be configured at a time.
B. A special VLAN type must be used as the RSPAN destination.
C. A filter must be configured for RSPAN sessions.
D. Only incoming traffic can be monitored.
正确答案:B
问题 #81
Refer to the exhibit. An engineer must modify the access control list EGRESS to allow all IP traffic from subnet 10.1.10.0/24 to 10.1.2.0/24. The access control list is applied in the outbound direction on router interface GigabitEthernet 0/1. Which confi
A.
B.
C.
D.
正确答案:D
问题 #82
What is the role of a fusion router in an SD-Access solution?
A. acts as a DNS server
B. provides additional forwarding capacity to the fabric
C. performs route leaking between user-defined virtual networks and shared services
D. provides connectivity to external networks
正确答案:C
问题 #83
Refer to the exhibit. A port channel is configured between SW2 and SW3. SW2 is not running a Cisco operating system. When all physical connections are made, the port channel does not establish. Based on the configuration except of SW3, what is the cause o
A. The port-channel mode should be set to auto.
B. The port channel on SW2 is using an incompatible protocol.
C. The port-channel trunk is not allowing the native VLAN.
D. The port-channel interface load balance should be set to src-mac.
正确答案:B
问题 #84
What does this EEM applet event accomplish? "event snmp oid 1.3.6.1.3.7.0.9.5.3.1.2.9 get-type next entry-op gt entry-val 75 poll-interval 5"
A. Upon the value reaching 75%, a SNMP event is generated and sent to the trap server.
B. It reads an SNMP variable, and when the value exceeds 75%, it triggers an action.
C. It issues email when the value is greater than 75% for five polling cycles.
D. It presents a SNMP variable that can be interrogated.
正确答案:B
问题 #85
Which method displays text directly into the active console with a synchronous EEM applet policy?
A. event manager applet boom
action 1. 0 syslog priority direct msg 'logging directly to console'
B. event manager applet boom
action 1. 0 gets 'logging directly to console'
C. event manager applet boom
action 1. 0 string 'logging directly to console'
D. event manager applet boom
action 1. 0 puts 'logging directly to console'
正确答案:D
问题 #86
Which two GRE features are configured to prevent fragmentation? (Choose two.)
A. TCP window size
B. IP MTU
C. TCP MSS
D. DF bit clear
E. MTU ignore
正确答案:BC
问题 #87
Which action is the vSmart controller responsible for in an SD-WAN deployment?
A. onboard vEdge nodes into the SD-WAN fabric
B. gather telemetry data from vEdge routers
C. distribute security information for tunnel establishment between vEdge routers
D. manage, maintain, and gather configuration and status for nodes within the SD-WAN fabric
正确答案:C
问题 #88
what is fact about Cisco SD-access wireless network infrastructure deployments?
A. The access point is part of the fabric overlay.
B. The wireless client is part of the fabric overlay.
C. The access point is part of the fabric underlay.
D. The WLC is part of the fabric underlay.
正确答案:A
问题 #89
Which feature is supported by EIGRP but is not supported by OSPF?
A. route filtering
B. unequal-cost load balancing
C. route summarization
D. equal-cost load balancing
正确答案:B
问题 #90
What is the correct EBGP path attribute list, ordered from most preferred to least preferred, that the BGP best-path algorithm uses?
A. local preference, weight, AS path, MED
B. weight, local preference, AS path, MED
C. weight, AS path, local preference, MED
D. local preference, weight, MED, AS path
正确答案:B
问题 #91
At which layer does Cisco DNA Center support REST controls?
A. session layer
B. northbound APIs
C. EEM applets or scripts
D. YAML output from responses to API calls
正确答案:B
问题 #92
On which protocol or technology is the fabric data plane based in Cisco SD-Access fabric?
A. VXLAN
B. LISP
C. Cisco TrustSec
D. IS-IS
正确答案:A
问题 #93
What is the difference between the enable password and the enable secret password when service password encryption is enabled on an IOS device?
A. The enable secret password is protected via stronger cryptography mechanisms.
B. The enable password cannot be decrypted.
C. The enable password is encrypted with a stronger encryption method.
D. There is no difference and both passwords are encrypted identically.
正确答案:A
问题 #94
Which access control list allows only TCP traffic with a destination port range of 22-443, excluding port 80?
A. deny tcp any any eq 80
B. permit tcp any any range 22 443
C. permit tcp any any eq 80
D. deny tcp any any eq 80
正确答案:D
问题 #95
Which statement describes the IP and MAC allocation requirements for virtual machines on Type 1 hypervisors?
A. Virtual machines do not require a unique IP or unique MAC. They share the IP and MAC address of the physical server.
B. Each virtual machine requires a unique IP address but shares the MAC address with the physical server.
C. Each virtual machine requires a unique IP and MAC addresses to be able to reach to other nodes.
D. Each virtual machine requires a unique MAC address but shares the IP address with the physical server.
正确答案:C
问题 #96
A local router shows an EBGP neighbor in the Active state. Which statement is true about the local router?
A. The local router is attempting to open a TCP session with the neighboring router.
B. The local router is receiving prefixes from the neighboring router and adding them in RIB-IN.
C. The local router has active prefixes in the forwarding table from the neighboring router.
D. The local router has BGP passive mode configured for the neighboring router.
正确答案:A
问题 #97
Which feature must be configured to allow packet capture over Layer 3 infrastructure?
A. RSPAN
B. ERSPAN
C. VSPAN
D. IPSPAN
正确答案:B
问题 #98
Refer to the exhibit. SwitchC connects HR and Sales to the Core switch However, business needs require that no traffic from the Finance VLAN traverse this switch. Which command meets this requirement?
A. SwitchC(config)#vtp pruning
B. SwitchC(config)#vtp pruning vlan 110
C. SwitchC(config)#interface port-channel 1
D. SwitchC(config)#interface port-channel 1
正确答案:D
问题 #99
Refer to the exhibit. Which HTTP JSON response does the python code output give?
A. NameError: name 'json' is not defined
B. KeyError 'kickstart_ver_str'
C. 7.61
D. 7.0(3)I7(4)
正确答案:D
问题 #100
When a wired client connects to an edge switch in an SDA fabric, which component decides whether the client has access to the network?
A. control-plane node
B. Identity Service Engine
C. RADIUS server
D. edge node
正确答案:B
问题 #101
Refer to the exhibit. An engineer must ensure that all traffic leaving AS 200 will choose Link 2 as the exit point. Assuming that all BGP neighbor relationships have been formed and that the attributes have not been changed on any of the routers, which co
A. R4(config-router)#bgp default local-preference 200
B. R3(config-router)#neighbor 10.1.1.1 weight 200
C. R3(config-router)#bgp default local-preference 200
D. R4(config-router)#neighbor 10.2.2.2 weight 200
正确答案:A
问题 #102
Which protocol infers that a YANG data model is being used?
A. SNMP
B. REST
C. RESTCONF
D. NX-API
正确答案:C
问题 #103
Which configuration restricts the amount of SSH that a router accepts to 100 kbps?
A. class-map match-all CoPP_SSH
ip address 209. 165.200.225 255.255.255.0
B. class-map match-all CoPP_SSH
ip address 209. 165.200.225 255.255.255.0
C. class-map match-all CoPP_SSH
D. class-map match-all CoPP_SSH
正确答案:C
问题 #104
What NTP stratum level is a server that is connected directly to an authoritative time source?
A. Stratum 0
B. Stratum 1
C. Stratum 14
D. Stratum 15
正确答案:B
问题 #105
How does QoS traffic shaping alleviate network congestion?
A. It drops packets when traffic exceeds a certain bitrate.
B. It buffers and queue packets above the committed rate.
C. It fragments large packets and queues them for delivery.
D. It drops packets randomly from lower priority queues.
正确答案:B
问题 #106
An engineer is describing QoS to a client. Which two facts apply to traffic policing? (Choose two)
A. Policing adapts to network congestion by queuing excess traffic
B. Policing should be performed as close to the destination as possible
C. Policing drops traffic that exceeds the defined rate
D. Policing typically delays the traffic, rather than drops it
E. Policing should be performed as close to the source as possible
正确答案:CE
问题 #107
What mechanism does PIM use to forward multicast traffic?
A. PIM sparse mode uses a pull model to deliver multicast traffic
B. PIM dense mode uses a pull model to deliver multicast traffic
C. PIM sparse mode uses receivers to register with the RP
D. PIM sparse mode uses a flood and prune model to deliver multicast traffic
正确答案:A
问题 #108
Which two namespaces does the LISP network architecture and protocol use? (Choose two)
A. TLOC
B. RLOC
C. DNS
D. VTEP
E. EID
正确答案:BE
问题 #109
Which First Hop Redundancy Protocol should be used to meet a design requirements for more efficient default bandwidth usage across multiple devices?
A. GLBP
B. LCAP
C. HSRP
D. VRRP
正确答案:A
问题 #110
Refer to the exhibit. A network engineer is configuring OSPF between router R1 and router R2. The engineer must ensure that a DR/BDR election does not occur on the Gigabit Ethernet interfaces in area 0. Which configuration set accomplishes this goal?
A. R1 (config-if) #interface Gi0/0
B. R1 (config-if) #interface Gi0/0
C. R1(config-if)#interface Gi0/0
D. R1(config-if)#interface Gi0/0
正确答案:A
问题 #111
What are two reasons why broadcast radiation is caused in the virtual machine environment? (Choose two)
A. vSwitch must interrupt the server CPU to process the broadcast packet
B. The Layer 2 domain can be large in virtual machine environments
C. Virtual machines communicate primarily through broadcast mode
D. Communication between vSwitch and network switch is broadcast based
E. Communication between vSwitch and network switch is multicast based
正确答案:AB
问题 #112
A company plans to implement intent-based networking in its campus infrastructure. Which design facilities a migrate from a traditional campus design to a programmer fabric designer?
A. Layer 2 access
B. three-tier
C. two-tier
D. routed access
正确答案:D
问题 #113
When a wireless client roams between two different wireless controllers, a network connectivity outage is experience for a period of time. Which configuration issue would cause this problem?
A. Not all of the controllers in the mobility group are using the same mobility group name
B. Not all of the controllers within the mobility group are using the same virtual interface IP address
C. All of the controllers within the mobility group are using the same virtual interface IP address
D. All of the controllers in the mobility group are using the same mobility group name
正确答案:B
问题 #114
Which algorithms are used to secure REST API from brute attacks and minimize the impact?
A. SHA-512 and SHA-384
B. MD5 algorithm-128 and SHA-384
C. SHA-1, SHA-256, and SHA-512
D. PBKDF2, BCrypt, and SCrypt
正确答案:D
问题 #115
What is the role of the RP in PIM sparse mode?
A. The RP responds to the PIM join messages with the source of requested multicast group
B. The RP maintains default aging timeouts for all multicast streams requested by the receivers
C. The RP acts as a control-plane node and does not receive or forward multicast packets
D. The RP is the multicast that is the root of the PIM-SM shared multicast distribution tree
正确答案:D
问题 #116
A network administrator is preparing a Python script to configure a Cisco IOS XE-based device on the network. The administrator is worried that colleagues will make changes to the device while the script is running. Which operation of the client manager i
A. m.lock (config='running')
B. m.lock (target='running')
C. m.freeze (target='running')
D. m.freeze(config='running')
正确答案:B
问题 #117
What are two device roles in Cisco SD-Access fabric? (Choose two)
A. core switch
B. vBond controller
C. edge node
D. access switch
E. border node
正确答案:CE
问题 #118
Which component handles the orchestration plane of the Cisco SD-WAN?
A. vBond
B. vSmart
C. vManage
D. vEdge
正确答案:A
问题 #119
Which two entities are Type 1 hypervisors? (Choose two)
A. Oracle VM Virtual Box
B. Microsoft Hyper-V
C. VMware server
D. VMware ESX
E. Microsoft Virtual PC
正确答案:BD
问题 #120
Which access point mode allows a supported AP to function like a WLAN client would, associating and identifying client connectivity issues?
A. client mode
B. SE-connect mode
C. sensor mode
D. sniffer mode
正确答案:C
问题 #121
Refer to the exhibit. An engineer must deny Telnet traffic from the loopback interface of router R3 to the loopback interface of router R2 during the weekend hours. All other traffic between the loopback interfaces of routers R3 and R2 must be allowed at
A. R3(config)#time-range WEEKEND
R3(config)#access-list 150 deny tcp host 10. 3.3.3 host 10.2.2.2 eq 23 time-range WEEKEND
B. R1(config)#time-range WEEKEND
R1(config)#access-list 150 deny tcp host 10. 3.3.3 host 10.2.2.2 eq 23 time-range WEEKEND
C. R1(config)#time-range WEEKEND
R1(config)#access-list 150 deny tcp host 10. 3.3.3 host 10.2.2.2 eq 23 time-range WEEKEND
D. R3(config)#time-range WEEKEND
R3(config)#access-list 150 deny tcp host 10. 3.3.3 host 10.2.2.2 eq 23 time-range WEEKEND
正确答案:C
问题 #122
Which tool is used in Cisco DNA Center to build generic configurations that are able to be applied on device with similar network settings?
A. Command Runner
B. Template Editor
C. Application Policies
D. Authentication Template
正确答案:B
问题 #123
A client device roams between access points located on different floors in an atrium. The access points joined to the same controller and configuration in local mode. The access points are in different IP addresses, but the client VLAN in the group same.
A. inter-controller
B. inter-subnet
C. intra-VLAN
D. intra-controller
正确答案:D
问题 #124
What does the LAP send when multiple WLCs respond to the CISCO_CAPWAP-CONTROLLER.localdomain hostname during the CAPWAP discovery and join process?
A. broadcast discover request
B. join request to all the WLCs
C. unicast discovery request to each WLC
D. Unicast discovery request to the first WLC that resolves the domain name
正确答案:C
问题 #125
Refer to the exhibit. What is the result when a technician adds the monitor session 1 destination remote vlan 223 command?
A. The RSPAN VLAN is replaced by VLAN 223
B. RSPAN traffic is sent to VLANs 222 and 223
C. An error is flagged for configuring two destinations
D. RSPAN traffic is split between VLANs 222 and 223
正确答案:A
问题 #126
In an SD-Access solution what is the role of a fabric edge node?
A. to connect external Layer 3- network to the SD-Access fabric
B. to connect wired endpoint to the SD-Access fabric
C. to advertise fabric IP address space to external network
D. to connect the fusion router to the SD-Access fabric
正确答案:B
问题 #127
Refer to the exhibit. access-list 1 permit 172.16.1.0 0.0.0.255 ip nat inside source list 1 interface gigabitethernet0/0 overload The inside and outside interfaces in the NAT configuration of this device have been correctly identified. What is the effect
A. dynamic NAT
B. static NAT
C. PAT
D. NAT64
正确答案:C
问题 #128
Which component of the Cisco Cyber Threat Defense solution provides user and flow context analysis?
A. Cisco Firepower and FireSIGHT
B. Cisco Stealth watch system
C. Advanced Malware Protection
D. Cisco Web Security Appliance
正确答案:B
问题 #129
An engineer must protect their company against ransom ware attacks. Which solution allows the engineer to block the execution stage and prevent file encryption?
A. Use Cisco AMP deployment with the Malicious Activity Protection engineer enabled
B. Use Cisco AMP deployment with the Exploit Prevention engine enabled
C. Use Cisco Firepower and block traffic to TOR networks
D. Use Cisco Firepower with Intrusion Policy and snort rules blocking SMB exploitation
正确答案:A
问题 #130
Refer to the exhibit. Assuming the WLC's interfaces are not in the same subnet as the RADIUS server, which interface would the WLC use as the source for all RADIUS-related traffic?
A. the interface specified on the WLAN configuration
B. any interface configured on the WLC
C. the controller management interface
D. the controller virtual interface
正确答案:A
问题 #131
Which benefit is offered by a cloud infrastructure deployment but is lacking in an on-premises deployment?
A. efficient scalability
B. virtualization
C. storage capacity
D. supported systems
正确答案:A
问题 #132
Wireless users report frequent disconnections from the wireless network. While troubleshooting a network engineer finds that after the user a disconnect, the connection reestablishes automatically without any input required. The engineer also notices thes
A. increase the dynamic channel assignment interval
B. increase BandSelect
C. increase the AP heartbeat timeout
D. enable coverage hole detection
正确答案:D
问题 #133
Which DHCP option helps lightweight APs find the IP address of a wireless LAN controller?
A. Option 43
B. Option 60
C. Option 67
D. Option 150
正确答案:A
问题 #134
A network administrator applies the following configuration to an IOS device. aaa new-model aaa authentication login default local group tacacs+ What is the process of password checks when a login attempt is made to the device?
A. A TACACS+ server is checked first. If that check fail, a database is checked
B. A TACACS+ server is checked first. If that check fail, a RADIUS server is checked. If that check fail, a local database is checked
C. A local database is checked first. If that fails, a TACACS+server is checked, if that check fails, a RADIUS server is checked
D. A local database is checked first. If that check fails, a TACACS+server is checked
正确答案:D
问题 #135
What is the role of the vsmart controller in a Cisco SD-WAN environment?
A. IT performs authentication and authorization
B. It manages the control plane
C. It is the centralized network management system
D. It manages the data plane
正确答案:B
问题 #136
Why is an AP joining a different WLC than the one specified through option 43?
A. The WLC is running a different software version
B. The API is joining a primed WLC
C. The AP multicast traffic unable to reach the WLC through Layer 3
D. The APs broadcast traffic is unable to reach the WLC through Layer 2
正确答案:B
问题 #137
Which devices does Cisco Center configure when deploying an IP-based access control policy?
A. All devices integrating with ISE
B. selected individual devices
C. all devices in selected sites
D. all wired devices
正确答案:C
问题 #138
Which method of account authentication does OAuth 2.0 within REST APIs?
A. username/role combination
B. access tokens
C. cookie authentication
D. basic signature workflow
正确答案:B
问题 #139
What does the Cisco DNA Center use to enable the delivery of applications through a network and to yield analytics for innovation?
A. process adapters
B. Command Runner
C. intent-based APIs
D. domain adapters
正确答案:C
问题 #140
Which action is a function of VTEP in VXLAN?
A. tunneling traffic from IPv6 to IPv4 VXLANs
B. allowing encrypted communication on the local VXLAN Ethernet segment
C. encapsulating and de-encapsulating VXLAN Ethernet frames
D. tunneling traffic from IPv4 to IPv6 VXLANs
正确答案:C
问题 #141
Which type of antenna does the radiation pattern represent?
A. Yagi
B. multidirectional
C. directional patch
D. omnidirectional
正确答案:A
问题 #142
Refer to the exhibit. An engineer reconfigures the port-channel between SW1 and SW2 from an access port to a trunk and immediately notices this error in SW1's log. Which command set resolves this error?
A. Sw1(config)# interface G0/0
B. Sw1(config)# interface G0/0
C. Sw1(config)# interface G0/1
D. Sw1(config)# interface G0/0
正确答案:A
问题 #143
Which two security features are available when implementing NTP? (Choose two.)
A. symmetric server passwords
B. dock offset authentication
C. broadcast association mode
D. encrypted authentication mechanism
E. access list-based restriction scheme
正确答案:DE
问题 #144
What is calculated using the numerical values of the transmitter power level, cable loss, and antenna gain?
A. EIRP
B. dBi
C. RSSI
D. SNR
正确答案:A
问题 #145
Which two LISP infrastructure elements are needed to support LISP to non-LISP internetworking? (Choose two.)
A. PETR
B. PITR
C. MR
D. MS
E. ALT
正确答案:AC
问题 #146
In an SD-WAN deployment, which action in the vSmart controller responsible for?
A. handle, maintain, and gather configuration and status for nodes within the SD-WAN fabric
B. distribute policies that govern data forwarding performed within the SD-WAN fabric
C. gather telemetry data from vEdge routers
D. onboard vEdge nodes into the SD-WAN fabric
正确答案:B
问题 #147
Refer to the exhibit.An engineer is using XML in an application to send information to a RESTCONF-enable device.After sending the request,the engineer gets this response message and a HTTP response code of 400.what do these responses tell the engineer?
A. The Accept header sent was application/xml
B. POST was used instead of PUT to update
C. The Content-Type header sent was application/xml
D. A JSON body was used
正确答案:A
问题 #148
Refer to the exhibit. An engineer must create a configuration that executes the show run command and then terminates the session when user CCNP logs in. Which configuration change is required?
A. Add the autocommand keyword to the aaa authentication command.
B. Add the autocommand keyword to the username command.
C. Add the access-class keyword to the aaa authentication command.
D. Add the access-class keyword to the username command.
正确答案:B
问题 #149
Which outbound access list, applied to the WAN interface of a router, permits all traffic except for http traffic sourced from the workstation with IP address 10.10.10.1?
A. ip access-list extended 10
deny tcp host 10. 10.10.1 any eq 80
B. ip access-list extended 200
deny tcp host 10. 10.10.1 eq 80 any
C. ip access-list extended NO_HTTP
deny tcp host 10. 10.10 1 any eq 80
D. ip access-list extended 100
deny tcp host 10. 10.10.1 any eq 80
正确答案:D
问题 #150
Refer to the exhibit. What are two effects of this configuration? (Choose two.)
A. R1 becomes the active router.
B. If R1 goes down, R2 becomes active but reverts to standby when R1 comes back online.
C. R1 becomes the standby router
D. If R2 goes down, R1 becomes active but reverts to standby when R2 comes back online.
E. If R1 goes down, R2 becomes active and remains the active device when R1 comes back online.
正确答案:AE
问题 #151
Refer to the exhibit. Which command must be applied to R2 for an OSPF neighborship to form?
A. network 20.1.1.2 0.0.255.255 area 0
B. network 20.1.1.2 255.255.0.0 area 0
C. network 20.1.1.2 255.255.255.255 area 0
D. network 20.1.1.2 0.0.0.0 area 0
正确答案:D
问题 #152
Company policy restricts VLAN 10 to be allowed only on SW1 and SW2. All other VLANs can be on all three switches An administrator has noticed that VLAN 10 has propagated to SW3. Which configuration corrects the issue?
A. SW1(config)#int gi1/1
B. SW2(config)#int gi1/2
C. SW2(config)#int gi1/2
D. SW1(config)#int gi1/1
正确答案:C
问题 #153
Refer to the exhibit. An engineer must configure a SPAN session. What is the effect of the configuration?
A. Traffic sent on VLANs 10 and 12 only is copied and sent to interface g0/1
B. Traffic received on VLANs 10,11, and 12 is copied and sent to interface g0/1
C. Traffic received on VLANs 10 and 12 only is copied and sent to interface g0/1.
D. Traffic sent on VLANs 10, 11 , and 12 is copied and sent to interface g0/1
正确答案:B
问题 #154
What is the result of applying this access contol list ?
A. TCP traffic with the URG bit set is allowed
B. TCP traffic with the SYN bit set is allowed
C. TCP traffic with the ACK bit set is allowed
D. TCP traffic with the DF bit set is allowed
正确答案:C
问题 #155
Refer to the exhibit. What does the error message relay to the administrator who is trying to configure a Cisco IOS device?
A. A NETCONF request was made for a data model that does not exist
B. A NETCONF message with valid content based on the YANG data models was made, but the request failed.
C. The device received a valid NETCONF request and serviced it without error.
D. The NETCONF running datastore is currently locked.
正确答案:A
问题 #156
Refer to the exhibit.Which two commands are needed to allow for full reachability between AS 1000 and AS 2000?(choose two)
A. R2#network 192.168.0.0 mask 255.255.0.0
B. R1#network 192.168.0.0 mask 255.255.0.0
C. R2#network 209.165.201.0 mask 255.255.192.0
D. R2#no network 10.0.0.0 255.255.255.0
E. R1#no network 10.0.0.0 255.255.255.0
正确答案:AD

即刻预约

免费试听-咨询课程-获取免费资料