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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. An organization has built a network with 20 subnets and class C IP addresses. What is the subnet mask that should be used to configure the network correctly?

A) 255.255.255.248
B) 255.255.255.224
C) 255.255.255.240
D) 255.255.255.192

2. Which of the following items are optional items for the commissioning between microwave stations?

A) Swap antenna
B) Test business
C) Clock tracking test
D) Test ECC

3. Which of the following statements about the configuration, testing and maintenance of IP functions are correct? () (multiple choice)

A) After the IPA function is successfully activated, when the amplifier board detects LOS, the optical power of its output port becomes safe optical power. Select "Configuration/IPA Management" in the function tree of the network element manager, and you can configure IPA to start Delay value
B) IPA function is only applicable to Raman amplifiers, not to ordinary amplifiers
C) The purpose of testing the IPA function is to verify that if any fiber is broken in the fiber path included in the IPA, the amplifier included in the IPA can be turned off. After the fiber is restored, the amplifier can be turned on automatically, and Power change within 0.5dB
D) When the fiber interruption is repaired and the IPA cannot be terminated, it may be because the IPA protection group is not configured with a "detection board", only the auxiliary detection board is configured, and the auxiliary detection board reports an alarm that triggers IPA

4. The PTN self-organizing network supports physical layer clock synchronization, IEEE 1588V2 clock and time synchronization, and IEEE 1588 ACR clock synchronization.

A) TRUE
B) FALSE

5. The following statement about PTN's VPLS technology is wrong,

A) VSI is a virtual layer 2 forwarding entity, which defines the number of members of the VPLS domain on the PE, similar to a virtual switch
B) VPLS (Virtual Private LAN Services), is a kind of service similar to LAN provided on MPLS (Multiprotocol Label Switching) network
C) PE only needs to determine the forwarding of the Ethernet frame based on the VLAN ID in the user message without other parameters (such as the destination MAC address in the message, etc.), whether it is forwarded directly to the CE or to the PW through the PW Peer PE
D) Need to manually configure the split horizon group to avoid the loop of Full-mesh VPLS

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