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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Which of the following options is correct?

A) Since multicast is based on TCP to establish a connection, multicast technology can ensure the reliable transmission of data
B) Multicast technology is able to reduce redundant traffic, so network bandwidth can be saved
C) Unicast and broadcasting cannot effectively achieve data transmission between one source and multiple destinations on P2MP, but multicast technology can
D) Multicast technology is used for "-to-many" applications

2. A company network runs the OSPF protocol, an engineer in order to understand the OSPF mechanism in the network to perform packet capture operations, the following ospf message description is correct?

A) The interface sends Hello packets as soon as it joins the OSPF area
B) LSUpdate messages synchronize the link state database by sending detailed LSA information
C) When an LS Update packet is received, the router must send an LSAck to acknowledge
D) LSUpdate message is sent only when an adjacency relationship is established

3. Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summary, then which class LSA Will it be aggregated?

A) 2 kind LSA
B) 4 kind LSA
C) 3 kind LSA
D) 1 Class LSA
E) 5 Class LSA

4. The correct description about the BGP reflector is? (Multiple choice questions).

A) The route reflector can advertise routes learned from one client to other clients and non-clients
B) IBGP neighbor relationships need to be fully interconnected without a route reflector. The introduction of route reflectors can reduce the need for full interconnection
C) The route reflector can advertise routes learned from IBGP neighbors to all clients and non-client
D) The route reflector can advertise routes learned from non-clients to all clients

5. Regarding the mpLS handling mode of TTL, is the following description correct?

A) Unifore style, when an IP packet passes through the MPLS network, the IPTTL of the incoming node is minus l. The MPLS TTL field is a fixed value.
B) The TTL in the MPLS label has the same meaning as the TTL field in the head. TTL prevents mpLS networks from developing bad routing.
C) In MPLSVPI, if you need to hide the structure of the MPLS backbone network, you can use Uniform mode on Ingress for private network messages.
D) Pipe mode. When an IP message passes through the MPLS network, the IPTTL minus 1 is mapped to the WLSTTL field at the incoming node.

Solutions: