H3C GB0-391 actual dump : 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. MPLS labels a total of ______bit , which Label label value portion accounted _______bit .

A) 32 24
B) 32 20
C) 48 24
D) 48 20

2. Which of the following statements about EPCN are correct?

A) EPCN system main memory deployment coaxial cable distribution network portion of the network, the HFC backbone mainly EPON technology fit therewith.
B) EPCN is an active EoC technology, and the user terminal is an active device, thus avoiding the limitation of the network topology without passive EoC technology.
C) EPCN conforms to HFC- based broadband access specifications such as DOCSIS 1.0/1.1/2.013.0 .
D) EPCN is a passive EoC technology.The user terminal is a passive device, and the system transmission loss tolerance is low, which limits its application scope to a certain extent.

3. Configure the following commands on the MSR router:
qos pql 1 queue top queue-length 1024
qos pql 1 inbound-interface GigabitEthernet0/0 queue top
qos pql 1 protocol ip tcp 1000 queue top
qos pql 1 protocol ip tcp 1001 queue middle
qos pql 1 protocol ip tcp 1002 queue normal
qos pql 1 protocol ip tcp 1003 queue bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
From the interface G0 / 0 into the only access port G0 / 1 forwarding traffic directed include the destination port, respectively 1000 , 1001 , 1002 and 1003 of the TCP packet flow rates of 3Mbps , other background traffic 4Mbps , other interfaces no flow, then the following claims The incorrect one is ______ ( choose one or more )

A) Head of the port 1002 of TCP packet forwarding rate of 3Mbps
B) Head of port 1001 of TCP packet forwarding rate of 3Mbps
C) Head of port 1003 of TCP packet forwarding rate of 1Mbps
D) back background traffic packets into the Bottom queue, forward speed of about 0.5Mbps
E) Head of port 1000 of TCP packet forwarding rate of 3Mbps

4. According to the different network levels, VPN can be divided into the following types

A) Intranet VPN
B) Layer2 VPN
C) Layer3 VPN
D) Internet VPN

5. To get the best of VoIP voice quality, _____ coding best choice.

A) G.729
B) G.723
C) G.711

Solutions: