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QUESTION 1
Enterprise networks often use DHCP to assign IP addresses to users. Compared with static address allocation, DHCP address allocation greatly reduces the workload of managing the network.
A. Correct
B. Error
Correct Answer: A
QUESTION 2
Which of the following troubleshooting methods is not based on the TCP/IP reference model?
A. contrast configuration method
B. top-up method
C. bottom-up method
D. replacement method
Correct Answer: A
QUESTION 3
Determine the project team members are the work content of the implementation phase
A. Correct
B. Error
Correct Answer: B
QUESTION 4
Which of the following reasons may cause the MSTP protocol in the LAN to fail to work properly? (multiple choice)
A. MSTP configuration error
B. The physical link flaps and the device is triggered to send a large number of TC packets.
C. The MSTP-enabled device receives the MSTP TC packet from the client or transparently.
D. The priority of the unconfigured port in the specified spanning-tree instance
Correct Answer: ABC
QUESTION 5
In the stage of collecting information in the structured network troubleshooting process, which of the following items should be concerned? (Multiple choice)
A. What information needs to be collected?
B. how to collect this information
C. Do you need authorization?
D. Risk assessment during the information gathering phase
Correct Answer: ABCD
QUESTION 6
Huawei’s enterprise network management products are sight and are divided into three versions: Lite, Standard, and Professional. Then, which of the following features is added to the Professional Edition compared with the Standard Edition?
A. the professional version provides a database backup tool
B. support multi-user management
C. support WLAN, MPLS VPN management
D. support layered management model
Correct Answer: D
QUESTION 7
Which of the following options are required to be completed during the project planning phase? (multiple choice)
A. Determine the technical solution
B. Understand the project background
C. choose network products
D. determine project needs
E. Planning IP address
Correct Answer: BD
QUESTION 8
In a complex network environment with financial, OA (office automation system), production, and even morebusiness systems, which of the following should be the first thing to consider for network troubleshooting?
A. the allocation of IP addresses
B. the model of the network equipment
C. the data flow direction of each business system
D. the environment of the machine room
Correct Answer: C
QUESTION 9
What is the general use of the “ringing” test?
A. test whether the application can connect normally
B. Test whether the routing protocol can effectively avoid loops.
C. test the switch can effectively carry out loop containment and broadcast containment
D. Test whether the physical line is interrupted.
Correct Answer: D
QUESTION 10
DHCP Snooping as an effective security mechanism can prevent the following attacks? (multiple choice)
A. Prevent DHCP attackers from attacking
B. Prevent DOS attacks on the DHCP server
C. Prevent MAC address flood attacks
D. Check the source MAC address of the packet in combination with the DAI function.
E. Check the source IP address of the packet in combination with the IPSG function.
Correct Answer: ABE
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