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

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Which of the following are information signaling ____ .

A) by the user when using the phone, pick up the telephone handset, the handset came from the dial tone.
B) by the user using the phone, pressing the number keys to PBX transmits the called number representing a series of low and high audio frequencies of the audio frequency.
C) by the user using the phone, pick up the telephone handset called number, called the ellipsoid of the ringing telephone.
D) used when the user using the telephone, after the telephone handset from the chamber called number, outgoing handset to ring back tone.

2. Which of the following messages is used by the called party to indicate to the calling party that the call request is being processed and will not receive other call setup information for the call request ?

A) COnnecting
B) Alerting
C) Progress
D) Call-proceeding

3. About CBQ said law incorrect ______

A) package contains .1 th the LLQ , to support EF traffic, is transmitted absolute priority, guaranteed latency
B) package contains .1 th BQ , for supporting the AF service, broadband guaranteed queue and controllable delay
C) packet contains .1 th default queue for supporting the BE service, using the WFQ queue scheduling
D) It is a congestion management technology implemented by QoS strategy

4. Hereinafter GREVPN and BGP / MPLS VPN described above are correct ____ .

A) Both can separate the address space
B) both point to point tunnel
C) GRE VPN can provide advanced security such as data encryption, but BGP/MPLS VPN cannot provide such security.
D) GREVPN does not separate address space, BGP/MPLS VPN can separate address space

5. The following commands are configured on an interface of the router:
qos car inbound an cir 1000 cbs 62500 ebs 0 green remark-dscp-pass ef red remark-dscp-continue af13
When the port receives packets, the following statement is correct _____

A) When the received packet rate is less than 1000kbps , the packet DSCP value is marked as EF and then forwarded
B) When the received message is greater than the rate of 1000kbps , the burst can be 62500 bytes than 1000kbps packets DSCP value is marked as AF13 , straight forward next CAR policy processing
C) When the received message rate is less than 1000kbps , the message will be forwarded normally without any processing
D) When the received message rate is less than 1000kbps , it can burst 62500 bytes, and the DSCP value of the message exceeding 1000kbps is marked as af13 and forwarded directly
E) When the received message rate is less than 1000kbps , after the DSCP value of the message is marked as EF , it is forwarded to the next CAR policy for processing and forwarding

Solutions: