2026 CCNP 300-410题库免费下载｜考试试题与答案解析完整版

Refer to the exhibit. Users in the branch network of 2001:db8:0:4::/64 report that they cannot access the Internet. Which command is issued in IPv6 router EIGRP 100 configuration mode to solve this issue?

R2 has a locally originated prefix 192.168.130.0/24 and has these configurations: What is the result when the route-map OUT command is applied toward an eBGP neighbor R1 (1.1.1.1) by using the neighbor 1.1.1.1 route-map OUT out command?

Which method changes the forwarding decision that a router makes without first changing the routing table or influencing the IP data plane?

Refer to the exhibit. An engineer configures a static route on a router, but when the engineer checks the route to the destination, a different next hop is chosen. What is the reason for this?

Refer to the exhibit. An engineer is trying to generate a summary route in OSPF for network 10.0.0.0/8, but the summary route does not show up in the routing table. Why is the summary route missing?

Refer to the exhibit. An engineer is trying to block the route to 192.168.2.2 from the routing table by using the configuration that is shown. The route is still present in the routing table as an OSPF route. Which action blocks the route?

What is a prerequisite for configuring BFD?

Refer to the exhibit. R2 is a route reflector, and R1 and R3 are route reflector clients. The route reflector learns the route to 172.16.25.0/24 from R1, but it does not advertise to R3. What is the reason the route is not advertised?

Refer to the exhibit. An engineer is trying to redistribute OSPF to BGP, but not all of the routes are redistributed. What is the reason for this issue?

Refer to the exhibit. In which circumstance does the BGP neighbor remain in the idle condition?

Which attribute eliminates LFAs that belong to protected paths in situations where links in a network are connected through a common fiber?

Refer to the exhibit. An engineer is troubleshooting BGP on a device but discovers that the clock on the device does not correspond to the time stamp of the log entries. Which action ensures consistency between the two times?

Refer to the exhibit. What is the result of applying this configuration?

Which command displays the IP routing table information that is associated with VRF-Lite?

Refer to the exhibit. Which subnet is redistributed from EIGRP to OSPF routing protocols?

Which configuration adds an IPv4 interface to an OSPFv3 process in OSPFv3 address family configuration?

Refer to the exhibit. Which statement about R1 is true?

Refer to the exhibit. An IP SLA was configured on router R1 that allows the default route to be modified in the event that Fa0/0 loses reachability with the router R3 Fa0/0 interface. The route has changed to flow through router R2. Which debug command is

Which configuration enabled the VRF that is labeled "Inet" on FastEthernet0/0?

Refer to the exhibit. After redistribution is enabled between the routing protocols; PC2, PC3, and PC4 cannot reach PC1. Which action can the engineer take to solve the issue so that all the PCs are reachable?

Which command allows traffic to load-balance in an MPLS Layer 3 VPN configuration?

Refer to the exhibit. After applying IPsec, the engineer observed that the DMVPN tunnel went down, and both spoke-to-spoke and hub were not establishing. Which two actions resolve the issue? (Choose two.)

Which statement about route distinguishers in an MPLS network is true?

Which statement about MPLS LDP router ID is true?

Which list defines the contents of an MPLS label?

Refer to the exhibit. What does the imp-null tag represent in the MPLS VPN cloud?

Which transport layer protocol is used to form LDP sessions?

Refer to the exhibits. Phase-3 tunnels cannot be established between spoke-to-spoke in DMVPN. Which two commands are missing? (Choose two.)

Which protocol is used to determine the NBMA address on the other end of a tunnel when mGRE is used?

Refer to the exhibit. During troubleshooting it was discovered that the device is not reachable using a secure web browser. What is needed to fix the problem?

Refer to the exhibit. An engineer is trying to configure local authentication on the console line, but the device is trying to authenticate using TACACS+. Which action produces the desired configuration?

Refer to the exhibit. An engineer is trying to connect to a device with SSH but cannot connect. The engineer connects by using the console and finds the displayed output when troubleshooting. Which command must be used in configuration mode to enable SSH

Which statement about IPv6 ND inspection is true?

While troubleshooting connectivity issues to a router, these details are noticed: -Standard pings to all router interfaces, including loopbacks, are successful. - Data traffic is unaffected. - SNMP connectivity is intermittent. - SSH is either slow or dis

Refer to the exhibit. Why is user authentication being rejected?

Refer to the exhibit. Which control plane policy limits BGP traffic that is destined to the CPU to 1 Mbps and ignores BGP traffic that is sent at higher rate?

Which statement about IPv6 RA Guard is true?

An engineer is trying to copy an IOS file from one router to another router by using TFTP. Which two actions are needed to allow the file to copy? (Choose two.)

Refer to the exhibit. Users report that IP addresses cannot be acquired from the DHCP server. The DHCP server is configured as shown. About 300 total nonconcurrent users are using this DHCP server, but none of them are active for more than two hours per d

Refer to the exhibit. ISP 1 and ISP 2 directly connect to the Internet. A customer is tracking both ISP links to achieve redundancy and cannot see the Cisco IOS IP SLA tracking output on the router console. Which command is missing from the IP SLA configu

Refer to the exhibit. An administrator noticed that after a change was made on R1, the timestamps on the system logs did not match the clock. What is the reason for this error?

A network engineer is investigating a flapping (up/down) interface issue on a core switch that is synchronized to an NTP server. Log output currently does not show the time of the flap. Which command allows the logging on the switch to show the time of th

When provisioning a device in Cisco DNA Center, the engineer sees the error message "Cannot select the device. Not compatible with template". What is the reason for the error?

While working with software images, an engineer observes that Cisco DNA Center cannot upload its software image directly from the device. Why is the image not uploading?

An engineer configured the wrong default gateway for the Cisco DNA Center enterprise interface during the install. Which command must the engineer run to correct the configuration?

Refer to the exhibit. An administrator that is connected to the console does not see debug messages when remote users log in. Which action ensures that debug messages are displayed for remote logins?

Refer to the exhibit. Network operations cannot read or write any configuration on the device with this configuration from the operations subnet. Which two configurations fix the issue? (Choose two.)

Refer to the exhibit. Why is the remote NetFlow server failing to receive the NetFlow data?

Refer to the exhibit. A router receiving BGP routing updates from multiple neighbors for routers in AS 690. What is the reason that the router still sends traffic that isdestined to AS 690 to a neighbor other than10.222.10.1?

Which security feature can protect DMVPN tunnels?

Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office? (Choose two.)

Which protocol is used in a DMVPN network to map physical IP addresses to logical IP addresses?

Which Cisco VPN technology can use multipoint tunnel, resulting in a single GRE tunnel interface on the hub, to support multiple connections from multiple spoke devices?

Which option is the best for protecting CPU utilization on a device?

Which SNMP verification command shows the encryption and authentication protocols that are used in SNMPV3?

What is the role of a route distinguisher via a VRF-Lite setup implementation?

Refer to the following output: Router#show ip nhrp detail 1.1.2/8 via 10.2.1.2, Tunnel1 created 00:00:12, expire 01:59:47 TypE. dynamic, Flags: authoritative unique nat registered used NBMA address: 10.12.1.2 What does the authoritative flag mean in regar

Which two protocols can cause TCP starvation? (Choose two)

Which two statements about VRF-Lite configurations are true? (Choose two.)

A network engineer needs to verify IP SLA operations on an interface that shows on indication of excessive traffic. Which command should the engineer use to complete this action?

Which protocol does VRF-Lite support?

Refer to Exhibit.Which statement about redistribution from BGP into OSPF process 10 is true?

Which two statements about redistributing EIGRP into OSPF are true? (Choose two)

Refer to the exhibit.Which routes from OSPF process 5 are redistributed into EIGRP?

Users were moved from the local DHCP server to the remote corporate DHCP server. After the move, none of the users were able to use the network.Which two issues will prevent this setup from working properly? (Choose two)

What is the output of the following command: show ip vrf

Which command is used to check IP SLA when an interface is suspected to receive lots of traffic with options?

Refer to the exhibit. AAA server 10.1.1.1 is configured with the default authentication and accounting settings, but the switch cannot communicate with the server. Which action resolves this issue?

Refer to the exhibit. A company is evaluating multiple network management system tools. Trending graphs generated by SNMP data are returned by the NMS and appear to have multiple gaps. While troubleshooting the issue, an engineer noticed the relevant outp

Refer to the exhibit. An engineer is monitoring reachability of the configured default routes to ISP1 and ISP2. The default route from ISP1 is preferred if available. How is this issue resolved?

Refer to the exhibit. Redistribution is enabled between the routing protocols, and now PC2 PC3, and PC4 cannot reach PC1. What are the two solutions to fix the problem? (Choose two)

Which label operations are performed by a label edge router?

Refer to the exhibit. The network administrator configured VRF lite for customer A. The technician at the remote site misconfigured VRF on the router. Which configuration will resolve connectivity for both sites of customer A? ip vrf customer_a rd 1:1 rou

After some changes in the routing policy, it is noticed that the router in AS 45123 is being used as a transit AS router for several service providers. Which configuration ensures that the branch router in AS 45123 advertises only the local networks to al

Refer to the exhibit. An engineer is trying to get a packet destined for 192.168.32.100 forwarded through 10.1.1.1, but it was forwarded through 10.1.1.2. What action forwards the packets through 10.1.1.1? Router#show ip route ... D 192.168.32.0/19 [90/25

Refer to the exhibit. A junior engineer updated a branch router configuration. Immediately after the change, the engineer receives calls from the help desk that branch personnel cannot reach any network destinations. Which configuration restores service a

An engineer configured a leak-map command to summarize EIGRP routes and advertise specifically loopback 0 with an IP of 10.1.1.1 255.255.255.252 along with the summary route. After finishing configuration, the customer complained not receiving summary rou

Refer to the exhibit. An IP SLA is configured to use the backup default route when the primary is down, but it is not working as desired. Which command fixes the issue? R1(config)#ip route 0.0.0.0 0.0.0.0 1.1.1.1 R1(config)#ip route 0.0.0.0 0.0.0.0 2.2.2.

What is an advantage of using BFD

Refer to the exhibit. The ACL is placed on the inbound GigabitEthernet 0/1 interface of the router. Host 192.168.10.10 cannot SSH to host 192.168.100.1 even though the flow is permitted. Which action resolves the issue without opening full access to this

Which component of MPLS VPN is used to extend the IP address so that an engineer is able to identify to which VPN it belongs?

Refer to the exhibit. BGP is flapping after the CoPP policy is applied. What are the two solutions to fix the issue? (Choose two) policy-mapp COPP-7600 class COPP-CRITICAL-7600 police cir 2000000 bc 62500 conform-action transmit exceed-action transmit ! c

Refer to the exhibit. A client is concerned that passwords are visible when running this show archive log config all. Which router configuration is needed to resolve this issue?

Refer to the exhibit. A user cannot SSH to the router. What action must be taken to resolve this issue?

Refer to the exhibit. R1 is being monitored using SNMP and monitoring devices are getting only partial information. What action should be taken to resolve this issue?

Refer to the exhibit. The server for the finance department is not reachable consistently on the 200.30.40.0/24 network and after every second month it gets a new IP address. What two actions must be taken to resolve this issue? (Choosetwo.)

What does IPv6 Source Guard utilize to determine if IPv6 source addresses should be forwarded?

During the maintenance window, an administrator accidentally deleted the Telnet-related configuration that permits a Telnet connection from the inside network (Eth0/0) to the outside of the network between Friday - Sunday night hours only. Which configura

Refer to the exhibit. An engineer wanted to set a taq of 30 to route 10.1.80.65/32 but it failed. How is the issue fixed?

Refer to the exhibit. Which action resolves intermittent connectivity observed with the SNMP trap packets?

Refer to the exhibit. An IT staff member comes into the office during normal office hours and cannot access devices through SSH. Which action should be taken to resolve this issue?

Refer to the exhibit. A network administrator configured an IPv6 access list to allow TCP return traffic only, but it is not working as expected. Whin changes resolve this issue?

Refer to the exhibit. An engineer receives this error message when trying to access another router in-band from the serial interface corfnected to the console of R1. Which configuration is needed on R1 to resolve this issue?

An engineer configured a company's multiple area OSPF Head Office router and Site A Cisco routers with VRF lite. Each site router is connected to a PE router of an MPLS backbone: After finishing both site router configurations, none of the LSA 3, 4, 5, an

Refer to the exhibit. R1 is connected with R2 via GigabitEthernet0/0, and R2 cannot ping R1. What action will fix the issue?

Refer to the exhibit. An IP SLA is configured to use the backup default route when the primary is down, but it is not working as desired. Which ommand fixes the issue?

Refer to the exhibit. To provide reachability to network 10.1.1.0 /24 from R5, the network administrator redistributes EIGRP into OSPF on R3 but.notices that R4 is now taking a suboptimal path through R5 to reach 10.1.1.0 /24 network. Which action fixes t

What does the PE router convert the IPv4 prefix to within an MPLS VPN?

Which IGPs are supported by the MPLS LDP autoconfiguration feature?

An engineer configured a leak-map command to summarize EIGRP routes and advertise specifically loopback O with an IP of 10.1.1.1 255.255.255.252 along with the summary route. After finishing configuration, the customer complained about not receiving the s

Refer to the exhibit. An engineer has configured DMVPN on a spoke router. What is the WAN IP address of another spoke router within the DMVF network?

Refer to the exhibit. A network engineer for AS64512 must remove the inbound and outbound traffic from link A during maintenance without closing the BGP session so that there is still a backup link over link A toward the ASN. Which BGP configuration on R1

Refer to the exhibit. Which interface configuration must be configured on the HUB router to enable MVPN with mGRE mode?

An engineer is configuring a network and needs packets to be forwarded to an interface for any destination address that is not in the routing table.What should be configured to accomplish this task?

Which protocol does MPLS use to support traffic engineering?

Refer to the exhibit. Which two actions should be taken to access the server? (Choose two.)

An engíineer needs dynamic routing between two routers and is unable to establish OSPF adjacency. The output of the show ip ospf neighbor command shows that the neighbor state is EXSTART/EXCHANGE. Which action should be taken to resolve this issue?

An engineer configured access list NON-CISCO in a policy to influence routes. route-map PBR, deny, sequence 5 Match clauses: ip address (access-list): NON-CISCO Set clauses: Policy routing matches: 0 packets, 0 bytes route-map PBR, permit, sequence 10 Mat

What are two functions of IPv6 Source Guard? (Choose two.)

Refer to the exhibit. A user has set up an IP SLA probe to test if a non SLA host web server on IP address 10.1.1.1 accepts HTTP sesons prior to deployment. The probe is failing. Which action should the network administrator recommend for the probe to suc

How are MPLS Layer 3 VPN services deployed?

Refer to the exhibit. The network administrator must mutually redistribute routes at the Chicago router to the LA and NewYork routers. The confiquration of the Chicago router is this： router ospf 1 redistribute eigrp 100 router eigrp 100 redistribute ospf

Refer to the exhibit. The R1 and R2 configurations are: R1 router bap 100 neighbor 10.1.1.2 remote-as 200 R2 router bgp 200 neighbor 10.1.1.1 remote-as 100 The neighbor relationship is not coming up. Which two sets of configurations bring the neighbors up

An engineer configured SNMP notifications sent to the management server using authentication and encrypting data with DES. An error in the response PDU is received as"UNKNOWNUSERNAME. WRONGDIGEST". Which action resolves the issue?

#R1 show ip roue Refer to the exhibits. All the serial links between R1, R2, and R3 have the same bandwidth. Users on the 192.168.1.0/24 network report slow response times while they access resources on network 192 168.3.0/24. When a traceroute is run on

Reter to the exhibits. A company with autonomous system number AS65401 has obtained IP address block 209.165.200.224/27 from ARIN. The company needed more IP addresses and was assigned block 209.165.202.128/27 from ISP2. An engineer in ISP1 reports that t

Refer to the exhibits. An engineer identified a Layer 2 loop using DNAC. Which command fixes the problem in the SF-D9300-1 switch?

Refer to the exhibit. Which two actions restrict access to router R1 by SSH? (Choose two.)

Refer to the exhibit. An IPv6 network was newly deployed in the environment and the help desk reports that R3 cannot SSH to the R2s Loopback interface. Which action resolves the issue?

What are two functions of LDP? (Choose two.)

Refer to the exhibit. A network administrator is using the DNA Assurance Dashboard panel to troubleshoot an OSPF adiacency that failed between Edge NYC Interface GiqabitEthernet1/3 with Neighbor Edge SNJ. The administrator observes that the neighborship i

Refer to the exhibit. A network administrator is discovering a Cisco Catalyst 9300 and a Cisco WLC 3504 in Cisco DNA Center. The Catalyst 9300 is added successfully. However, the WLC is showing error "uncontactable" when the administrator tries to add it

Refer to the exhibit. Bangkok is using ECMP to reach to the 192 168.5.0/24 network. The administrator must configure Bangkok in such a way that Telnet traffic from 192 168 3 0/24 and 192. 168. 4.0/24 networks uses the HongKong router as the preferred rout

Refer to the exhibit. Which action resolves the authentication problem?

Refer to the exhibits. A user on the 192.168.1.0/24 network can successfully ping 192.168.3.1, but the administrator cannot ping 192.168.3.1 from the LA router. Which set of configurations fixes the issue?

An engineer configured a Cisco router to send reliable and encrypted notifications for any events to the management server. It was noticed that the notification messages are reliable but not encrypted. Which action resolves the issue?

Refer to the exhibits. When DMVPN is configured, which configuration allows spoke-to-spoke communication using loopback as tunnel source?

Refer to the exhibit. The administrator can see the traps for the failed login attempts, but cannot see the traps of successful login attempts. What command is needed to resolve the issue?

Refer to the exhibit. A network administrator configured mutual redistribution on R1 and R2 routers, which caused instability in the network. Which action resolves the issue?

Refer to the exhibit Which action restores the routes from neighbors while still filtering 1 1 1 0/24?

Refer to the exhibit.The administrator successfully logs into R1 but cannot access privileged mode commands.what should be configured to resolve the issue ?

Refer to the exhibit.The DHCP client is unable to receive an IP address from the DHCP server. RouterB is configured as follows: Interface fastethernet 0/0 Description client DHCP ID388888888 Ip address 172.31.1.1 255.255.255.0 ! Ip route 172.16.1.0 255.25

Refer to the exhibit An engineer has successfully set up a floating static route from the BRANCH router to the HQ network using HQ_R 1 as the primary default gateway. When the g0/0 goes down on HQ_R1, the branch network cannot reach the HQ network 192 168

Refer to the exhibits An engineer filtered messages based on severity to minimize log messages .After applying the filter, the engineer noticed that it filtered required messages as well Which action must the engineer take to resolve the issue?

A DMVPN single hub topology is using IPsec + mGRE with OSPF. What should be configured on the hub to ensure it will be the designated router ?

An engineer is troubleshooting on the console session of a router and turns on multiple debug commands.The console screen is filled with scrolling debug messages that none of the commands can be verified if entered correctly or display any output Which ac

An engineer configured policy-based routing for a destination IP address that does not exist in the routing table。How is the packet treated through the policy for configuring the set ip default next-hop command?

An engineer must configure a Cisco router to initiate secure connections from the router to other devices in the network but kept failing. When two actions resolve the issue? (Choose two )

Refer to the exhibit The Los Angeles and New York routers are receiving routes from Chicago but not from each other. Which configuration fixes the issue?

Refer to the exhibits. An engineer identified a Layer 2 loop using DNAC. Which command fixes the problem in the SF switch?

Refer to the exhibit.The remote server is failing to receive the Netflow data. Which action resolve the issue?

Refer to the exhibit The network administrator has configured the Customer Edge router (AS 64511) to send only summarized routes toward ISP -1 (AS 100) and ISP-2 (AS 200). router bgp 64511 network 172.16.20.0 mask 255.255.255.0 network 172.16.21.0 mask 25

Refer to the exhibit. A network administrator redistributed the default static route into OSPF toward all internal routers to reach to Internet.Which set of commands restores reachability to the internet by internal routers?

Refer to the exhibit.An engineer has configured DMVPN on a spoke router.What is the WAN IP address of another spoke router within the DMVPN network?

When configuring Control Plane Policing on a router to protect it from malicious traffic, an engineer observes that the configured routing protocols start flapping on that device.Which action in the Control Plane Policy prevents this problem in a producti

Refer to the exhibit. R2 has two paths to reach 192.168.13.0/24. but traffic is sent only through R3. Which action allows traffic to use both paths ?

Refer to the exhibit R1 and R2 cannot establish an EIGRP adjacency Which action establishes EIGRP adjacency?

In which two ways does the IPv6 First-Hop Security Binding Table operate?(choose two)

An engineer configured two routers connected to two different service providers using BGP with default attributes. One of the links is presenting high delay, which causes slowness in the network. Which BGP attribute must the engineer configure to avoid us

What are two functions of MPLS Layer 3 VPNs?(choose two)

What are two MPLS label characteristics? (Choose two.)

Refer to the exhibit.The ospf neighbor relationship is not coming up.What must be configured to restore OSPF neighbor adjacency?

Refer to the exhibit The administrator configured route advertisement to a remote low resources router to use only the default route to reach any network but failed. Which action resolves this issue?

Refer to the exhibit A network administrator configured NTP on a Cisco router to get synchronized time for system and logs from a unified time source The configuration did not work as desired Which service must be enabled to resolve the issue?

What are two purposes of using IPv4 and VPNv4 address-family configurations in a Layer 3 MPLS VPN? (Choose two.)

which protocol does MPLS use to support traffic engineering ?

Refer to the exhibit The network administrator configured the branch router for IPv6 on the E 0/0 interface The neighboring router is fully configured to meet requirements, but the neighbor relationship is not coming up. Which action fixes the problem on

An engineer coonfigured a DHCP server for Cisco IP phones to download its configuration from a TFTP sever,but the IP phones failed to load the configuration.what must be configured to resolve the issue ?

Refer to the exhibit The engineer configured and connected Router2 to Router1.The link came up but could not establish a Telnet connection to Router1 IPv6 address of 2001:DB8::1. Which configuration allows Router2 to establish a Telnet connection to Route

Refer to the exhibit The OSPF routing protocol is redistributed into the BGP routing protocol, but not all the OSPE routes are distributed into BGP Which action resolves the issue?