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Huawei HCNA - Carrier IP Sample Questions:

1. Which of the following statements about DR in an OSPF network is correct? (multiple choice)

A) DR is selected only in NBMA or broadcast networks.
B) There must be a DR in an OSPF area.
C) DR must be negotiated between routers in accordance with the provisions of the agreement
D) Only the router with the highest priority in the network can become the DR.

2. What are the advantages of SSH compared to Telnet? (multiple choice)

A) Based on UDP connection, suitable for large-scale use
B) All transmitted data can be encrypted to avoid "man in the middle" attack
C) Ability to prevent DNS and IP spoofing
D) The transmitted data is compressed, so it can speed up the transmission.

3. Which of the following techniques must be supported to complete route aggregation?

A) NAT
B) DNS
C) VLSM
D) CIDR

4. What are the correct descriptions of the working principle of the Layer 2 Ethernet switch in the following options? (Multiple choice)

A) All data frames on the network segment connected to the receiving port
B) Establish a MAC address table by using the destination MAC address in the received data frame.
C) Look up the destination MAC address in the data frame in the MAC address table, send the data frame to the corresponding port if it is found (excluding the source port); if not found, go to all ports except the source port send
D) Address table maintenance using the address aging mechanism

5. Which of the following is true about ping and Tracert? (multiple choice)

A) Both ping and tracert can test the path through which the target node is reached.
B) Both ping and tracert use ICMP packets.
C) Both ping and tracert can detect link connectivity
D) The packets sent by ping and tracert are the same.

Solutions: