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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

Question 1

The following are functions of the access layer ____ .( Choose one or more )

A. complex routing strategies complicated
B. owns a large number of interfaces, and for the final connected user computer
C. access into the security control
D. High -speed packet-switched

Question 2

In the process of issuing the digital certificate application in the void, the PKI ( Public Infrastructure Ke , public key systems ) role of the various components were _____ .

A. The CA sends the issued certificate to the LDAP server to provide directory browsing services
B. real- time body want to revoke the certificate, the RA ( Registration Authority ) submit an application
C. After the CA verifies the digital signature, it agrees to the entity's application and issues a certificate for the entity
D. real body wishes to obtain a digital certificate, first of all to RA ( Registration Authority ) apply, RA after the audit entity identity, the identity of the entity and the public key information is sent to a digital signature to the CA ( Certificate Authority )

Question 3

The following information about VoIP saying voice transmission error is ______ .

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

Question 4

The ______ in the data packet can be used to distinguish data streams for access control.

A. advantage with the source / destination of the IP addresses
B. Lee with source / object MAC address
C. Lee with the source / destination port numbers
D. Lee with URL information

Question 5

Among the following ADSL standards, the one that does not need to use a splitter is ____ .( Choose one or more )

A. ITU 992.4
B. ITU 992.1
C. ITU 992.3
D. ITU 992.2

Solutions: