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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 of bandwidth is greatly reduced.In order to solve the problem of low bandwidth utilization, ______ technology can be used .

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

2. 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 5Mbps , the other port no flow, then the following statements is not correct ______ ( Select one or more )

A) Head of port 1000 of 5Mbps TCP packets into the Top queues are forwarded
B) destination port of 1003 of 5Mbps TCP packets into the Top queue forward portion
C) destination port of 1003 of 5Mbps TCP packets enter Bottom queues are discarded
D) destination port of 1002 of 5Mbps TCP packets into the Top queue forward portion
E) destination port of 1001 of 5Mbps TCP packets into the Middle queues are discarded
F) destination port of 1002 of 5Mbps TCP packets enter Normal queues are discarded

3. The information displayed on the MSR router is as follows:
Sstem Defined Behavior Information:
Behavior: ef
Expedited Forwarding:
Bandwidth 20 (% ) Cbs-ratio 25
Behavior: af
Assured Forwarding:
Bandwidth 20 (%)
Discard Method: Tail
Behavior: be
-none-
Then the following statement is incorrect is _____

A) which is defined in the EF queue and AF queues, bandwidth is reserved bandwidth occupied respectively 20%
B) explicit information indicating the behavior of a user-defined
C) use can change the percentage of the bandwidth occupied by the queue user behavior
D) significant information is shown the behavior of the system defined

4. Configure PKI domain trusted CA ( certification authority as ) H3CCA , and configured the registration server URL for the CA . h3c . com commands respectively for the ____ .

A) Configure CErtificate url ca in the PKI domain view . h3c . com
B) In the PKI domain view, arranged CERTIFICATE CA Request URL . h3c . com
C) In PKI domain view, configure CErtificate identifier-H3CCA
D) In PKI domain view, configure ca.identifier H3CCA

5. In a BGP MPLS VPN group network, each PE device to the second line with the user VPN of RT configuration as shown, this time about each VPN user visits relationship statement is correct ________ .

A) a user 1 can access only the user 2 , user 3 , user 4 a in
B) a user 1 may be associated with the user 2 , user 3 , user 4 visits
C) with user 2 , user 3 , user 4 family can not visit each other
D) a user 2 , user 3 , user 4 can PE1 be visits

Solutions: