Huawei H12-221-ENU

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Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:

1. Regarding the description of BGP Keepalive message, which is wrong?

A) By default, the keepalive interval is 180s.
B) Keepalive is periodically sent between two BGP neighbors.
C) Keepalive packets are consist of only one BGP data header.
D) Keepalive packets are mainly used for the running status of the peer routers and the availability confirmation of the link.

2. The description of summary automatic command and BGP aggregation, which is wrong?

A) This command is used to implement automatic aggregation. It has a higher priority than manual aggregation.
B) After this command is configured, BGF no longer receives the subnet routes advertised by IGP. Therefore, the number of routing information can be reduced.
C) After this command is configured, BGP aggregates routes according to the natural network segment.
D) After this command is configured, BGP only sends the aggregated route to the peer.
E) This command is used to enable automatic aggregation of locally imported routes.

3. When the TCP connection is normal and the AS number configured on the BGP peer is different from the BGP version configured on the neighboring router, the neighbor usually sends a Notification message to disconnect after establishing a TCP connection and interacting with certain information. Then, the Error Code in the Notification message will identify what message was wrong during the negotiation?

A) Route-refresh
B) Keepalive
C) Open
D) Update

4. Which of the following description of the virtual link is wrong?

A) The time interval for sending HELLO on the virtual link is 10s.
B) If there is a virtual link in the network, it usually indicates that the network design has problems and needs to be optimized.
C) Virtual links may bring loops.
D) The existence of virtual links increases the complexity of the network.

5. There are 8 fault-free links in Eth-Trunk. Each link can provide 1G bandwidth. Now, up to 5G bandwidth is required, so the upper threshold can be set to 5 or greater. Other links automatically enter the backup state to improve network reliability.

A) TRUE
B) FALSE

Solutions: