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Share some HCNP-R&S H12-223-ENU exam questions and answers below.
In order to save the cost of equipment, the location of network monitoring optimization can be network exported, the server interface and the key link.
A. True
B. False
Answer: A
Coaxial cable is usually used to carry cable television video signal, can not carry data signals.
A. True
B. False
Answer: B
Optical power generally uses dbm to represent, which dbm value is the current majority of optical transceiver equipment can receive and identify data?
A. -30dbm
B. -10dbm
C. 10dbm
D. 30dbm
Answer: B
In the Layer 2 switching network, the device forwards data based on the MAC address, according to the MAC address of the data filtering. Therefore, the firewall operating in the transparent mode can not filter the Layer 3 information of the packets.
A. True
B. False
Answer: B
What circumstances is "Loop" test generally used in ?
A. Test whether the application can be properly connected.
B. Test whether the routing protocol can effectively avoid loops.
C. Test whether the switch can effectively perform loop containment and broadcast containment.
D. Test whether the physical line is interrupted.
Answer: D
After the delivery of the project, the O&M costs will continue to be incurred. Which of the following are the costs incurred during the O&M? (Multiple choice)
A. Energy costs
B. Line construction costs
C. Line rental costs
D. Equipment depreciation costs
E. Personnel costs
Answer: ACE
Monday morning, you receive a call in the office seat and an employee said he could not access the Internet through the PC and need your technical support. So you use the ping command on his PC to test and at the same time use the tracert command to see where the packet loss occurs.
Which of the following is a network troubleshooting method?
A. Contrast configuration.
B. From bottom-up path.
C. Confirm the traffic flow path.
D. From top-down method.
Answer: C
Enterprise network often use DHCP to assign IP addresses to users. Compared with static address allocation, DHCP address allocation greatly reduces the workload of managing network addresses.
A. True
B. False
Answer: A
You use a Huawei router as an SSH client to log in to another Huawei router, but the login fails.You suspect SSH server configuration may be wrong, when checking the reasons of server-side failure, which of the following is the most unlikely?
A. The user interface VTY interface is not bound to the SSH protocol.
B. The user service type, authentication type, and user authentication service type are not configured.
C. The SSH versions of server and client are inconsistent.
D. The first-time SSH authentication function is disabled.
Answer: D
Out of the box inspection, what kind of contents should you check on the packing list?
A. Part coding
B. Part number
C. Number of parts
D. Name of the Project
Answer: ABCD
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