Huawei H12-931-ENU

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Huawei Certified Internetwork Expert-Transmission 認定 H12-931-ENU 試験問題:

1. Regarding system security planning and reliability planning, which of the following is correct (multiple choice)

A) Based on security considerations, the recommended communication bandwidth for medium-scale remote dual-system hot backup communication is 2M.
B) The security management of the network management mainly includes object management, password management, access control management, and power and domain management.
C) In the process of data output, to ensure the security of data transmission, U2000 needs to support data encryption protocol, in which SSLv3 protocol can be used for data transmission encryption between U2000 and network element equipment, and it can also be used for U2000 and upper OSS system Data transmission between is encrypted.
D) Operational safety and reliability design includes: access control, ACL control, time control, limit on the number of logins, user monitoring and operation confirmation.

2. When configuring client-side 1+1 protection, if the working OTU and the protection OTU are on different network elements, the control channel board type can be OLP or SCS board

A) TRUE
B) FALSE

3. The non-linear effect of the coherent signal is stronger than that of the 10G non-coherent, so the single-wave entering fiber optical power should be reduced. Therefore, during system commissioning, the OA gain can be reduced to reduce the single-wave output optical power of the OA to meet the fiber-in optical power requirements.

A) TRUE
B) FALSE

4. What are the principles of synchronous Ethernet planning? (multiple choice)

A) When there is BITS or other high-precision external clock equipment, it is recommended that the network element use the tracking external clock source
B) When stopping the SSM protocol, do not configure the clock as a ring in this network. When starting the SSM protocol, the SSM protocol information of all network elements in the network must be set to be consistent
C) The internal clock source is recommended as the lowest level clock source
D) When there is no BITS or other high-precision external clock equipment, it is recommended that the network element track the line clock source

5. PW APS bundling can reduce APS resource consumption and increase the speed of batch service switching.
Which of the following descriptions about PW APS bundling are correct? (multiple choice)

A) When the status of the PW APS slave protection pair changes, it will not cause the status of the PW APS protection group to change.
B) When the PW APS protection group is switched, its subsidiary protection pairs will not undergo the same switching.
C) When the status of the PW APS slave protection pair changes, it will cause the status of the PW APS protection group to change.
D) When the PW APS protection group is switched, its subsidiary protection pair also undergoes the same switching.

質問と回答：