Question 1

After the connection is completed, what items are generally required to be checked?

• A. Data flow
• B. Indoor topology
• C. Software version
• D. Control plane entries

Question 2

Which of the following is not a preliminary preparation for the dry cutover plan?

• A. Risk assessment
• B. Cutover target
• C. On-site defense
• D. Overview of the live network

Question 3

As shown in the figure, the GE0/0/0 and GE0/0/1 interfaces of RTA are respectively connected to
department 1..2, and their network segments are respectively 10.1.2.0/24 and 10.1.3.0/24, which
are restricted departments Questions between 1 and 2, when deploying traffic-filter on RTA, which
options are positive for the following deployment methods?

• A. Configure ACL3000 to reject traffic from 10.1.2.0/24 whose source is 10.13.0/24, and call the traffic-filter in the inbound direction on GE0/0/1 to call ACL3000
• B. Configure ACL3000 to reject traffic whose source is 10.1.2.0/24 and destination is 10.1.3.0/24, and call traffiefilter in the outbound direction on GE0/0/1 to call ACL3000
• C. Configure ACL3000 to reject the traffic whose source is 10.12.0/24 and destination is 10.1.3.0/24, and call the traffic-filter in the inbound direction on G0/0/0 to call ACL3000
• D. Configure ACL3000 to reject the traffic whose source is 10.1.3.0/24 and destination is 10.1.2.0/24, call the traffic-filter in the outbound direction on GE0/0/0 to call ACL3000

Question 4

Network administrator A wants to use ACL to match a specific routing target. Which routing entry will
be matched by the ACL rule in the figure?

• A. 10.0.0.0/24 B.10.0.2.0/24
• C. 10.0. 0. 1/32
• D. 10. 0. 1.0/24

Question 5

oSPF is a very popular protocol. In the case of regular networking and correct configuration, routing
calculations generally do not make mistakes. Which of the following reasons may cause 0SPF
neighbors no

• A. The link works abnormally
• B. Interface OSPF MTU configuration is different
• C. The 0SPF network types at both ends of the link are inconsistent
• D. Neighbors have the same Router ID

Question 6

• A. The type of the LSA is AS-tenaL-L84
• B. This device is AER
• C. The LSA in Figure is generated by Xinyi
• D. The destination network described by this LSA is 10.0.23.0/24

Question 7

In the process of daily troubleshooting, engineers may need to check some reported information of
the equipment.
By executing the terminal______ command, turn on the terminal to display the debugging/logging
information function sent by the information center. (Please use English lowercase letters to
complete the command, and the command cannot be abbreviated)

Question 8

As shown in the figure, all interfaces of the router have ospf enabled. Which one of the following
descriptions is correct?

• A. The Type3LSA generated by A.R6 in area 1 contains 10.0.2.2/32 routing information
• B. R5 will generate Type3 LSA in area 1
• C. The Type3 LSA generated by R3 in area 0 contains 10.0.2.2/32 routing information
• D. The Type3 LSA generated by R4 in area 1 contains 10.0.2.2/32 routing information

Question 9

As shown in the figure, it is assumed that STP is not enabled and a loop has occurred. The possible
phenomena include which of the following options?

• A. A large number of broadcast messages can be received on the Host
• B. Device CPU usage is too high
• C. MAC address table oscillating
• D. A loop alarm will appear on the device.

Question 10

During the structured network troubleshooting process, which of the following items require
attention in the information collection phase? (Multiple Choice)

• A. What information to collect
• B. How to collect information
• C. Whether authorization is required
• D. Risks in the information collection phase

Question 11

Which of the following are migration difficulties? (Multiple Choice)

• A. Minimizing on services
• B. Achieving optimal risk prevention
• C. Formulating a complete migration solution
• D. Carrying out the migration smoothly

Question 12

On a campus network, the gateway is usually configured on the aggregation layer. What advantages
does this design have compared with configuring the gateway on the access layer? (Multiple Choice)

• A. Reduce the broadcast domain on the network and the probability of broadcast storms.
• B. Achieve separate convergence of Layer 2 and Layer 3 to increase the convergence speed and network stability.
• C. Properly design the Layer 2 network scale, reduce network segment allocation, and improve network management efficiency.
• D. Allow configuring access devices as Layer 2 devices, reducing network construction costs.
• E. Leverage the STP and VRRP mechanisms to improve network reliability.

Question 13

Which of the following statements regarding the basic device information check is true?

• A. You can run the display patch-information command to check patch information.
• B. The device time should be consistent with the actual time (time difference < 24 hours) so that a fault can be accurately located based on the occurrence time.
• C. The debugging functions can be enabled when the device is running properly.
• D. You can run the display current-configuration command to check the PCB version and the software version of a card.

Question 14

Which of the following WAN links are used on a packet switched network? (Multiple Choice)

• A. ATM
• B. ISDN
• C. MSTP
• D. PSTN
• E. X.25

Question 15

During the migration test, which of the following indicates that the test is completed?

• A. The network is running properly.
• B. Tested network services are running properly.
• C. Tested upper-layer application services are running properly on the network.
• D. Command outputs are correct.