Huawei H12-222 問題集

質問 1：
LDP uses Discovery messages to discover neighbors through different neighbor discovery mechanisms.
Which of the following statements regarding basic discovery mechanisms are true? (Multiple Choice)
A. The LSR does not send Hello messages any longer after TCP connections are established.
B. The LDP Discovery message is sent to the specified LDP peer.
C. The destination IP address of the LDP Discovery message is the multicast IP address 224.0.0.2.
D. The LDP Discovery message is encapsulated into a UDP packet and its destination port number is 646.
正解：C,D

質問 2：
How many bits does an MPLS label field have?
A. 3
B. 8
C. 20
D. 1
正解：C

質問 3：
Which of the following command is used to configure the listening address of the SDN controller?
A. openflow listening-ip 1.1.1.1
B. sdn listening-ip 1.1.1.1
C. sdn controller souce-address 1.1.1.1
D. controller-ip 1.1.1.1
正解：A

質問 4：
Which of the following statements regarding buffer overflow attacks is false?
A. The buffer overflow attack is irrelevant to the OS vulnerabilities and architecture.
B. The buffer overflow attack is an application-layer attack.
C. The buffer overflow attack is the most common attack of the software system.
D. The buffer overflow attack indicates that an attacker uses defects of memory operations of the software system and runs attack codes with high operation rights.
正解：A

質問 5：
NAT technology can only translate network layer information (IP address) in data packets.
A. FALSE
B. TRUE
正解：A

質問 6：
Which of the following are the major objects of network management? (Multiple Choice)
A. Reduce the network device service life and extend the service period.
B. Help network engineers copy with complex network data to ensure quick and correct data display to end users.
C. Decrease device migration costs.
D. Ensure that network users can receive the expected service quality and technical support information.
正解：B,D