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Share some HCNP H31-321-ENU exam questions and answers below.
Which of the following alarms are caused by C2 bytes? (Multiple choice)
A. HP-SLM
B. HP-TIM
C. HP-UNEQ
D. HP-RDI
Answer: AC
During the maintenance of the device, which of the following precautions are needed when replacing a board? (Multiple choice)
A. Wear an ESD-preventive wrist strap or ESD-preventive gloves
B. Record the setting of jumper and DIP switch on the board
C. Query the related alarms and performance events through the NMS
D. Avoid laser damage to eyes
E. Correctly unplug the board. If the pull tab of the board has a fiber cable, should remove it first, and then insert it again after replacing the board.
Answer: ABDE
When the network bear EoS (Ethernet over SDH) services, the system debugging needs to verify the availability of EoS service channel. Which of the following test methods can be used? (Multiple choice)
A. Use the ping command to test
B. Use the ETH-OAM to test
C. Use the PRBS to test
D. Use the board IP to test
Answer: ABD
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Related article: http://update-70-412-exam.blogspot.com/2016/12/update-huawei-certification-h31-321-enu.html
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