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. Congestion occurs in the outbound direction of a certain interface of a certain device.It is observed that the traffic of all its TCP connections continues to oscillate at the same frequency, and the average utilization rate of bandwidth is greatly reduced.In order to solve the problem of low bandwidth utilization, the ______ technology cannot be used .

A) WRED
B) Tail discard
C) RED
D) LR

2. A secure network must meet the conditions of ______ .

A) Have sufficient encryption and anti-counterfeiting means when transmitting data on the internet
B) determined users within the network access security and legal security
C) entire network has a sound management system
D) There is an adequate security system when connecting to the internet

3. The recommended equipment security reinforcement methods include _____ .

A) make use public as the community string network access
B) Off Closed FTP and other services
C) setting set all IP addresses can log device
D) sub -level settings login user rights

4. The interconnection between ordinary telephones , PBXs and other devices has a unified interface standard, including analog interfaces and digital interfaces.The following belong to the digital voice interface is ______ .

A) FXS
B) FXO
C) E1
D) T1

5. The following information about the AH ( the Authentication Header , Authentication Header ) and the ESP ( Encapsulating Securlt Paload , the Encapsulating Security Payload ) described right there ______ .( Choose one or more )

A) two who can provide data origin authentication and optional anti-replay service
B) two who can provide data integrity protection
C) two who can be used at the same time
D) two who can provide confidentiality protection

Solutions: