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为通过CCNP 300-615考试做好准备：2026年更新的历年真题。包括Cisco数据中心300-615 DCIT | 思博网络相关的内容。

通过我们提供的更新后的历年真题，为成功通过CCNP 300-615考试做好准备。这些题目是专门为Cisco数据中心300-615 DCIT认证而设计的。我们的全面考试资料涵盖了网络、计算平台、存储网络、自动化系统以及数据中心基础设施中的各种故障排除方面的内容。请访问我们的免费测试页面，以评估您的知识水平和准备情况。凭借我们的考试题库和答案解析，您将拥有提升考试准备水平的重要资源。参加《Cisco数据中心基础设施故障排除》课程，从而掌握取得成功所需的必要技能和知识。请使用我们的考试模拟器和在线试题来模拟真实的考试场景，这样就能确保你在考试当天能够充分准备，从而取得优异的成绩。请选择 Trust 思博网络，以获得顶级资源，从而确保您能够成功通过 CCNP 300-615 考试。

问题 #1

Which of the following statements is true regarding OSPF connections over a GRE tunnel? (Select the best answer.)

A. Traffic is encapsulated and decapsulated by tunnel endpoints.

B. Tunnel headers do not create any additional overhead.

C. The transit area cannot be a stub area.

D. Only routing updates are tunneled.

正确答案：A

问题 #2

Topic 1Which action is the vSmart controller responsible for in a Cisco SD-WAN deployment?

A. onboard WAN Edge nodes into the Cisco SD-WAN fabric

B. gather telemetry data from WAN Edge routers

C. distribute policies that govern data forwarding performed within the Cisco SD-WAN fabric

D. handle, maintain, and gather configuration and status for nodes within the Cisco SD-WAN fabric

正确答案：C

问题 #3

Refer to the Exhibit. Refer to the Exhibit. Running the script causes the output in the exhibit. What should be the first line of the script?

A. from ncclient import manager.

B. import manager.

C. from ncclient import *.

D. ncclient manager import.

正确答案：C

问题 #4

Which of the following ping command options should be enabled if you want to determine the MTU size that a given connection supports? (Select the best answer.)

A. the IPv4 donotfragment bit

B. a number of pings greater than five

C. a datagram size greater than 1,500 bytes

D. a timeout value greater than two seconds

正确答案：A

问题 #5

Which DNS lookup does an access point perform when attempting CAPWAP discovery? .

A. CISCO-DNA-CONTROLLER local.

B. CAPWAP-CONTROLLER local.

C. CISCO-CONTROLLER local.

D. CISCO-CAPWAP-CONTROLLER local.

正确答案：D

问题 #6

Which of the following cannot be exchanged between spoke sites in a DMVPN design? (Select 2 choices.)

A. unicast traffic

B. multicast traffic

C. VoIP traffic

D. dynamic routing traffic

正确答案：BD

问题 #7

What is the role of vSmart in a Cisco SD-WAN environment?

A. to monitor, configure, and maintain SD-WAN devices.

B. to establish secure control plane connections.

C. to provide secure data plane connectivity over WAN Inks.

D. to perform initial authentication of devices.

正确答案：B

问题 #8

You issue the ping 192.168.1.1 size 1600 command on a Cisco device that is configured with the default system MTU. All pings succeed. Which of the following is most likely true? (Select the best answer.)

A. The interface is configured with an MTU of at least 1,600.

B. The pings were sent to the destination in a fragmented fashion.

C. The DF bit has been enabled, causing the pings to succeed.

D. The datagram size specified is below the default MTU value.

正确答案：B

问题 #9

Topic 1What are two device roles in Cisco SD-Access fabric? (Choose two.)

A. edge node

B. vBond controller

C. access switch

D. core switch

E. border node

正确答案：AE

问题 #10

Topic 1When a wired client connects to an edge switch in a Cisco SD-Access fabric, which component decides whether the clienthas access to the network?

A. edge node

B. Identity Services Engine

C. RADIUS server

D. control-plane node

正确答案：C

问题 #11

Refer to the Exhibit. An ertgineer must modify the existing configuration so that R2 can take over as the primary router when serial interface 0/0.1 on R1 goes down. Whtch command must the engineer apply''

A. R2W standby 100 track 26 decrement 10.

B. R2# standby 100 preempt.

C. R2# track 26 interface SerialWO.1 line-protocol.

D. R2# standby 100 priority 100.

正确答案：A

问题 #12

You issue the ping 192.168.1.1 size 1501 dfbit command on a Cisco device. You notice a message indicating that the DF bit has been set. However, the ping fails. You want to determine the largest datagram that the connection supports without fragmentation. Which of the following should you do next? (Select the best answer.)

A. Issue the command without the dfbit parameter.

B. Issue the command without the size parameter.

C. Issue the command with a lower size parameter value.

D. Issue the command without the size parameter and without the dfbit parameter.

正确答案：C

问题 #13

Which of the following does not cause a GRE tunnel endpoint on a Cisco device to enter the Up/down state? (Select the best answer.)

A. There is no route to the tunnel destination address.

B. No IP address has been configured on the tunnel interface.

C. The tunnel destination address lies through the tunnel itself.

D. The tunnel source is a loopback interface.

正确答案：D

问题 #14

Topic 1An engineer is describing QoS to a client.Which two facts apply to traffic policing? (Choose two.)

A. Policing should be performed as close to the source as possible.

B. Policing adapts to network congestion by queuing excess traffic.

C. Policing should be performed as close to the destination as possible.

D. Policing drops traffic that exceeds the defined rate.

E. Policing typically delays the traffic, rather than drops it.

正确答案：AD

问题 #15

You issue the ip as-path access-list 1 permit ^7_23$ command on a BGP router. Which of the following paths are allowed by the AS path filter? (Select the best answer.)

A. paths that originate from AS 7 or AS 23

B. paths that pass through AS 7 or AS 23

C. paths that originate from AS 7 and are learned from AS 23

D. paths that are learned from AS 7 and originate from AS 23

正确答案：D

问题 #16

You issue the show ip ospf neighbor command on a Cisco router. The router’s OSPF neighbor state is FULL/DR. Which of the following is most likely true about the OSPF router? (Select the best answer.)

A. It is the DR.

B. It is the BDR.

C. It will exchange its entire database with the DR.

D. It is on a pointtopoint network.

正确答案：C

问题 #17

You issue the debug ppp authentication command on RouterA. RouterA’s Serial 0/0 interface is connected to RouterB. RouterA’s Serial 0/1 interface is connected to RouterC. You issue the no shutdown command on all interfaces and note that every interface has entered the up state. Next, you issue the show debug condition command on RouterA and receive the following output: Which of the following statements is true? (Select the best answer.)

A. A debug condition has been met on the Serial 0/0 interface.

B. A debug condition has been met on the Serial 0/1 interface.

C. A debug condition has been met in which the user name is RouterB.

D. All debug conditions in this scenario have been met.

E. None of the debug conditions in this scenario have been met.

正确答案：B

问题 #18

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

A. It enables NTP in client mode.

B. It allows interface g0/1 to send and receive NTP broadcast packets.

C. It allows interface g0/1 to send NTP broadcast packets.

D. It allows interface g0/1 to receive NTP broadcast packets.

正确答案：C

问题 #19

Topic 1What 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 #20

Which of the following is not a GRE tunnel state on a Cisco device? (Select the best answer.)

A. Administratively down/down

B. Down/up

C. Reset/down

D. Up/down

E. Up/up

正确答案：B

问题 #21

Topic 1Where is radio resource management performed in a Cisco SD-Access wireless solution?

A. DNA Center

B. control plane node

C. wireless controller

D. Cisco CMX

正确答案：B

问题 #22

You administer the network in the following exhibit: All routers are configured to the system MTU defaults. You issue the ping 192.168.1.2 size 1500 dfbit command from RouterB, but the ping fails. Which of the following is most likely the cause of the failure? (Select the best answer.)

A. The GRE tunnel MTU is 1,476.

B. The system default MTU is 1,400.

C. The DF bit is not enabled.

D. The GRE tunnel does not support fragmented datagrams.

正确答案：A

问题 #23

Topic 1Which benefit is offered by a cloud infrastructure deployment but is lacking in an on-premises deployment?

A. virtualization

B. supported systems

C. storage capacity

D. efficient scalability

正确答案：D

问题 #24

Topic 1Which component handles the orchestration plane of the Cisco SD-WAN?

A. vBond

B. vSmart

C. vManage

D. WAN Edge

正确答案：A

问题 #25

Which of the following cannot be used to connect an OSPF nonbackbone area to the backbone area? (Select the best answer.)

A. a GRE tunnel that connects to the OSPF backbone area

B. a virtual link that connects to the OSPF backbone area

C. a configuration that redistributes the two OSPF areas into another protocol

D. a direct connection to the OSPF backbone area

正确答案：C

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