H3C Constructing Secure optimized WANs v2.0 : GB0-391

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. The correct statement about malformed message defense is ______ .

A) To defend against malformed message attacks, it is necessary to conduct targeted defense against the characteristics of each attack
B) abnormal shaped TCP packet attack by TCP attacks flag is set to a specific value of the packets
C) The ping of death attack uses oversized packets to attack
D) Teardrop attacks use the loopholes of overlapping movement during UDP packet reassembly to attack

2. Which of the following statements about VoIP voice transmission is correct is ______ .

A) needs to RTP provides a time stamp mechanism
B) need to RTP to provide re-ordering mechanism
C) needed to TCP to provide reliability mechanisms
D) need to UDP provides multiplexing mechanism

3. Which of the following are measurement standards for voice quality ?

A) PESQ
B) PSQM
C) PQSM
D) MOS

4. The PC uses the iNode VPN client to establish L2TP tunnels and sessions with network equipment , which belongs to the ____ topology of L2TP .

A) customer households LAC mode
B) LAC launch mode
C) alone stand LAC mode
D) the far end launch mode

5. The quality of service of a data network usually has different requirements due to different services.Compared with data services, voice and video services are more focused on

A) When delay
B) band width
C) When the delay jitter
D) Maximum number of concurrent connections

Solutions: