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Huawei HCIE-Routing & Switching (Written) V3.0 Sample Questions:

1. Which of the following description is wrong about BGP routing selection?

A) Non-aggregated routes take precedence over aggregated routes.
B) See the following entry in the BGP routing table: * 172.16.1.11/32 0.0.0.0 10 0. Indicates that the route is available non-optimal.
C) If the PrefVal and Local_Preference are equal, if the locally generated route, the IBGP route, and the BGP preference of the EBGP route are used, the valid indication generated by this priority takes precedence.
D) The route that is unreachable for next_hop is invalid and does not participate in the preference.

2. Regarding the sliding window of TCP, which of the following descriptions are wrong? (Multiple Choice)

A) The sliding window size can only be increased or left unchanged
B) After the retransmission timer expires, the sender has not received the acknowledgement and will retransmit the unconfirmed data.
C) TCP sliding window allows multiple packets to be sent before receiving an acknowledgment
D) The sender does not need to transmit a complete window size message.
E) The sender announces the initial window size

3. About the description of CHAP authentication function in the PPP protocol, which of the following are correct? (Multiple Choice)

A) Three-message interactive authentication is required, and the username is transmitted only on the network without transmitting the password.
B) If the authenticator does not have a username, the password cannot be configured on the authenticated interface.
C) The user name must be configured under the authenticated interface of CHAP authentication.
D) Calculate a hash value using the authentication sequence ID, random number, and key by the MD5 algorithm

4. Among the following VPN technologies, which VPN technology may have two IP headers in a message? (Multiple choice)

A) GRE
B) L2TP
C) SSL VPN
D) IPsec VPN

5. As shown in the figure, SWA and SWB run the RSTP protocol, and Cost of Path has not been modified to keep the default. Which of the following statements is correct?

A) GE 0/0/1 on SWA is the backup port
B) GE 0/0/2 on SWB is an Alternative port
C) SWB will become the root bridge
D) GE 0/0/1 on SWB is an Alternative port

Solutions: