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 following statement about VoIP voice transmission is wrong

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

2. Which of the following descriptions about GRE are correct ? ( Choose one or more )

A) GRE VPN can transmit multicast data
B) adopted using IP over IP of GRE encapsulation, public network and the private network interface address may coincide
C) GRE uses the Ethernet protocol type Ox0800 to identify the payload packet as IP
D) bearing carrier IP header to UDP port number 47 identifies the GRE header

3. The following description of QoS jitter is correct.

A) do force to avoid network congestion
B) QoS can create broadband and make the use of broadband more reasonable
C) transfer control IP network traffic
D) branch support network of real-time business

4. XZ company requires to build its network based on the modular enterprise network architecture. Z company in Shenzhen and Xi'an each 1 R & D base ; save Beijing and Shanghai have an office building ; save 23 provincial capital cities with more than 50 people in the office ; the 200 has no more than smaller cities 8 small office person ; At any given time, there are usually more than 200 marketing and technical personnel on business trips, and some of them are often located in areas lacking Internet access and can only dial in to the headquarters through the telephone network.Due to environmental and cost issues, some offices cannot access the headquarters through dedicated lines or packet-switched wide area network connections.According to these circumstances, the network module that Z company should have is _____ .

A) large type branch network
B) VPN access
C) An all-authentication
D) Dial Number Access

5. The following statements about GRE and BGP MPLS VPN are correct: _______ .

A) The GRE tunnel needs to be statically configured and the MPLS tunnel of BGP MPLS VPN is dynamically established
B) that they have adopted the technology can tunnel VPN
C) It had all VPN technology
D) GRE private network users can only run static routing protocol, BGP MPLS VPN private network users run BGP dynamic routing protocol

Solutions: