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问题 #1

Your assistant is interested in gathering statistics about connection-oriented operations. Which of the following should be done to enhance the accuracy of the information gathered?

A. configure an IP SLA responder on the destination device

B. configure an IP SLA responder on the source device

C. schedule the operation on the destination device

D. add the verify-data command to the configuration of the operation

正确答案：A

问题 #2

Which of the following commands configures an SNMP host to authenticate a user by username and send clear text notifications, the receipt of which will be acknowledged by the receiver?

A. Router(config)# snmp-server host 192.168.5.5 informs version 3 noauth CISCO

B. Router(config)# snmp-server host 192.168.5.5 traps version 3 auth CISCO

C. Router(config)# snmp-server host 192.168.5.5 informs version 2c CISCO

D. Router(config)# snmp-server host 192.168.5.5 informs version 3 authpriv CISCO

正确答案：A

问题 #3

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?

A. Configure the service timestamps log uptime command in global configuration mode.

B. Configure the logging clock synchronize command in global configuration mode. C.Configure the service timestamps log datetime localtime command in global configuration mode. D.Make sure that the clock on the device is synchronized with an NTP server.

正确答案：D

问题 #4

Some of the technicians in your organization use the secure web interface to make some of the configurations changes on the router R68. Today it was reported that a technician could not make a connection to the secure web server. You execute a show run command on R68 and receive the following output: What must the technician do to make the connection to the secure web interface?

A. specify port 443 in the command

B. specify port 1025 in the command

C. disable the HTTP server first

D. enable the secure server

正确答案：B

问题 #5

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?

A. Dynamic routing protocols always have priority over static routes. B.The metric of the OSPF route is lower than the metric of the static route. C.The configured AD for the static route is higher than the AD of OSPF. D.The syntax of the static route is not valid, so the route is not considered.

正确答案：C

问题 #6

You just received the following system message. *Mar 1 18:46:11:553 %SYS-5-CONFIG_I: Configured from console by vty2 (10.34.195.36) (Switch- 2) With this message in mind, which of the following commands were executed on the device? (Choose all that apply.)

A. logging console level notifications

B. logging console level 4

C. service timestamps log datetime msec

D. service timestamps log datetime

正确答案：AC

问题 #7

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?

A. R2 does not have a route to the next hop, so R2 does not advertise the prefix to other clients.

B. Route reflector setup requires full IBGP mesh between the routers. C.In route reflector setup, only classful prefixes are advertised to other clients. D.In route reflector setups, prefixes are not advertised from one client to another.

正确答案：A

问题 #8

In which circumstance does the BGP neighbor remain in the idle condition?

A. if prefixes are not received from the BGP peer

B. if prefixes reach the maximum limit C.if a prefix list is applied on the inbound direction D.if prefixes exceed the maximum limit

正确答案：D

问题 #9

Which of the following statements is NOT true of NPTv6?

A. is transport agnostic

B. translates the entire IPv6 address to another IPv6 address

C. is check sum neutral

D. translates only the IPv6 prefix

正确答案：B

问题 #10

You need to configure a Cisco router to act as a DHCP server and provide the following services: Hand out IP addresses for subnet 10.10.0.0/16 Set the domain name for the clients to "Cisco" Set the DNS server to 10.10.0.1 Set the default gateway to 10.10.0.1 Prevent IP address conflicts with 6 print servers that have consecutive permanently assigned addresses starting at 10.10.0.20. Which of the following sets of commands will successfully accomplish this?

A. Router1(config)# service dhcpRouter1(config)# ip dhcp pool IPPool Router1(dhcp-config)# network 10.10.0.0 255.255.0.0 Router1(dhcp-config)# domain-name Cisco Router1(dhcp-config)# dns-server 10.10.0.1 Router1(dhcp-config)# default-router 10.10.0.1 Router1(dhcp-config)# exit Router1(config)# ip dhcp excluded-address 10.10.0.20 10.10.0.25

B. Router1(config)# service dhcpRouter1(config)# dhcp pool IPPool Router1(dhcp-config)# network 10.10.0.0 255.255.0.0 Router1(dhcp- config)# domain-name Cisco Router1(dhcp-config)# dns-server 10.10.0.1 Router1(dhcp-config)# default-router 10.10.0.1 Router1(dhcp-config)# exit Router1(config)# ip dhcp excluded-address 10.10.0.20 10.10.0.25

C. Router1(config)# service dhcpRouter1(config)# ip dhcp pool IPPool Router1(dhcp-config)# network 10.10.0.0 255.255.0.0 Router1(dhcp-config)# domain-name Cisco Router1(dhcp-config)# dns-server 10.10.0.1 Router1(dhcp-config)# default-gateway 10.10.0.1 Router1(dhcp- config)# exit Router1(config)# ip dhcp excluded-address 10.10.0.20 10.10.0.25

D. Router1(config)# service dhcpRouter1(config)# ip dhcp pool IPPool Router1(dhcp-config)# network 10.10.0.0 255.255.0.0 Router1(dhcp-config)# domain-name Cisco Router1(dhcp-config)# dns-server 10.10.0.1 Router1(dhcp-config)# default-router 10.10.0.1 Router1(dhcp-config)# exit Router1(config)# ip dhcp excluded-address 10.10.0.20 - 10.10.0.25

正确答案：A

问题 #11

Users in the branch network of 2001:db8:0:4::/64 report that they cannot access the Internet. Which command is issued inIPv6 router EIGRP 100 configuration mode to solve this issue?

A. Issue the eigrp stub command on R1.

B. Issue the no eigrp stub command on R1. C.Issue the eigrp stub command on R2. D.Issue the no eigrp stub command on R2.

正确答案：B

问题 #12

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

A. shared risk link group-disjoint

B. linecard-disjoint C.lowest-repair-path-metric D.interface-disjoint

正确答案：B

问题 #13

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

A. By default, only internal routes and external type 1 routes are redistributed into BGP

B. Only classful networks are redistributed from OSPF to BGP C.BGP convergence is slow, so the route will eventually be present in the BGP table D.By default, only internal OSPF routes are redistributed into BGP

正确答案：D

问题 #14

What would be a use case for the HSRP configuration below?

A. used to switch the active role to the other router in the HSRP group during a maintenance window

B. used to prevent this router from ever relinquishing the active role

C. used to prevent this router from ever performing the active role

D. used to allow preemption over multiple peers

正确答案：A

问题 #15

Examine the output of the show ip flow export command: Which statement is true regarding the results?

A. 15 export packets were dropped because there was insufficient memory to create the export packet

B. 3 export packets were dropped because CEF was unable to switch or forward the packet to the process level

C. 61 packets were dropped because the send queue was full

D. 8 flows were exported

正确答案：C

问题 #16

You configured a device as an IP SLA responder using the following configuration: Which line indicates that the device is not a Cisco device?

A. frequency 30

B. timeout 1000

C. tcp-connect 10.0.0.1 23 control disable

D. tag FLL-RO

正确答案：C

问题 #17

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?

A. The summary-address command is used only for summarizing prefixes between areas.

B. The summary route is visible only in the OSPF database, not in the routing table. C.There is no route for a subnet inside 10.0.0.0/8, so the summary route is not generated. D.The summary route is not visible on this router, but it is visible on other OSPF routers in the same area.

正确答案：C

问题 #18

What is the result of applying this configuration?

A. The router can form BGP neighborships with any other device.

B. The router cannot form BGP neighborships with any other device. C.The router cannot form BGP neighborships with any device that is matched by the access list named "BGP". D.The router can form BGP neighborships with any device that is matched by the access list named "BGP".

正确答案：A

问题 #19

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?

A. Use an extended access list instead of a standard access list.

B. Change sequence 10 in the route-map command from permit to deny. C.Use a prefix list instead of an access list in the route map. D.Add this statement to the route map: route-map RM-OSPF-DL deny 20.

正确答案：C

问题 #20

What is a prerequisite for configuring BFD?

A. Jumbo frame support must be configured on the router that is using BFD.

B. All routers in the path between two BFD endpoints must have BFD enabled. C.Cisco Express Forwarding must be enabled on all participating BFD endpoints. D.To use BFD with BGP, the timers 3 9 command must first be configured in the BGP routing process.

正确答案：C

问题 #21

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

A. R1 sees 192.168.130.0/24 as two AS hops away instead of one AS hop away.

B. R1 does not accept any routes other than 192.168.130.0/24 C.R1 does not forward traffic that is destined for 192.168.30.0/24 D.Network 192.168.130.0/24 is not allowed in the R1 table

正确答案：A

问题 #22

Your network team is assessing options available to translate IPv6 address to IPv4 addresses. You have focused your attention on the variants of NAT64. One of your requirements is the conservation of IPv4 addresses. Which of the following versions of NAT 64 helps to conserve IPv4 addresses?

A. stateless

B. manual

C. static

D. stateful

正确答案：D

问题 #23

You have implemented the following IP SLA configuration, as shown in the following partial output of the show run command: ip sla 1 dns cow.cisco.com name-server 10.52.128.30 ip sla schedule 1 start-time now Which of the following statements is true of this configuration?

A. it will find the response time to resolve the DNS name cow.cisco.com

B. it will find the response time to connect to the DNS server at 10.52.128.30

C. it will start in one minute

D. it will gather data from one minute

正确答案：A

问题 #24

You are implementing IP SLA and would like to use it to measure hop-by-hop response time between a Cisco router and any IP device on the network. Which of the following IP SLA operations would you use for this?

A. ICMP path echo operation

B. Internet Control Message Protocol Echo Operation

C. UDP Jitter Operation for VoIP

D. UDP Jitter Operation

正确答案：A

问题 #25

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

A. nonbroadcast multiaccess

B. packet switching C.policy-based routing D.forwarding information base

正确答案：C

问题 #26

You are configuring NAT64 to allow communication between a host running IPv6 and a server running IPv4. The router R1 sits between the host and the server. The router's Fa0/2/7 interface is connected to the IPv6 host, and the Fa0/2/6 interface is connected to the IPv4 server. The IPv6 host has an IPv6 address of 2001::a00:1/128 and the IPv4 server is at 10.0.0.1. Below is the relevant configuration on R1: When the IPv4 server responds to the IPv6 host, what IPv6 address will be in the source address in the

A. 2001::a001

B. 2001::A00:B

C. 3001::a00:1

D. 2001::A00:A

正确答案：C

问题 #27

Your network team is assessing options available to translate IPv6 address to IPv4 addresses. Which of the following is an advantage of NAT64 over NAT-PT as a translation option?

A. DNS64 and NAT64 functions are completely separated

B. DNS64 and NAT64 functions are completely integrated

C. NAT64 only works over an Ethernet network

D. NAT64 will be unable to reconstruct fragments packets if they are fragmented by an intermediate IPv4 router

正确答案：A

问题 #28

Your network team is assessing options available to translate IPv6 address to IPv4 addresses. In which of the following scenarios is stateless NAT64 NOT supported as a solution?

A. translating from an IPv4 network to an IPv6 network

B. translating from an IPv6 network to an IPv4 network

C. translating from the IPv6 Internet to an IPv4 network

D. translating from an IPv6 network to the IPv4 Internet

正确答案：C

问题 #29

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

A. show ip vrf

B. show ip route vrf C.show run vrf D.show ip protocols vrf

正确答案：B

问题 #30

Which command is NOT mandatory for inclusion in a plan to implement IP Service Level Agreements (SLAs) to monitor IP connections and traffic?

A. ip sla

B. ip sla schedule

C. ip sla reset

D. icmp-echo

正确答案：C

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为 300-620 历年真题及学习材料做好准备。Cisco 数据中心 300-620 DCACI | 思博网络 考试相关的内容。

为 300-620 历年真题及学习材料做好准备。Cisco 数据中心 300-620 DCACI | 思博网络考试相关的内容。