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Huawei HCIE-Datacom V1.0 Sample Questions:

1. What are the benefits of using WRED? (Multi-select)

A) Avoid TCP global synchronization
B) Avoid congestion completely
C) Provides a small bandwidth guarantee
D) Provides some low latency
E) Can avoid UDP occupying most of the bandwidth when congested

2. In an intra-domain MPLSVPN network, when a packet enters the public network and is forwarded, it is encapsulated with two layers of MPLS tags, and the description of the two layers of tags in the following options is incorrect

A) The outer label of mpls VPN is assigned by the LDP protocol or statically, and the inner label is assigned by the MP-BGP neighbor of the peer
B) on the PE device By default, the outer label is ejected before the packet is forwarded to the last hop device
C) The outer label of MPLS VPN is called a private network label, and the inner label is called a public network label
D) The outer label is used to correctly send packets to the appropriate VPN in

3. If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?

A) DR priority values are elected DR.
B) PIM routers with long interface masks are elected dr.
C) PIM routers with small IP addresses are elected DR. PIM routers with low
D) Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr

4. The following description of BGP load sharing is wrong with? (Multiple choice question)

A) If BGP load sharing is implemented, the local device needs to configure the peer next-hop-local command to change the next hop address to its own address when issuing a route to an IBGP peer group.
B) The AS_Path properties of the equivalent routes that form load sharing must be different.
C) IBGP routes and EBGP routes that reach the same destination in the public network can form a load sharing
D) The destination CIDR blocks are the same, and load sharing can be formed between BGP routes with different sources.

5. Run the SSM across the entire HW IP multicast network. The following about SSM understands correctly? (Multiple choice question)

A) SSM uses only the SPT tree
B) No RP is required
C) Ideal for 1-to-many applications
D) SSM is recommended when you have multiple sources and expect to minimize the state of mroute in your network Ideal for many-to-many applications
E) SSM uses only shared trees

Solutions: