Pass your actual test at first attempt with H3C GB0-391 training material
Last Updated: May 31, 2026
No. of Questions: 468 Questions & Answers with Testing Engine
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1. A company PBX via a T1 connection line to the telephone network operators, due to expansion of company size, needs to be able to meet the concurrent 50 -way voice calls, you need to re-apply for ____ root T1 line ? ( Fill in Arabic numerals )
2. Traffic shaping usually uses ______ to make the traffic output to the downstream network meet a certain restriction standard, and to reduce the fluctuation of the output traffic and make it smoother.
A) teams column adjustment
B) make token bucket
C) cache buffer zone
D) Message compression
3. In the MSR router configuration commands as follows:
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 correct is ______ ( Choose one or more )
A) feature set is incorrect
B) destination port of 1003 of 5Mbps TCP packets into the Top queue forward portion
C) Head of port 1000 of 5Mbps TCP packets into the Top queues are forwarded
D) destination port of 1002 of 5Mbps TCP packets enter Normal queues are discarded
E) Head of port 1001 of 5Mbps TCP packets into the Middle queues are forwarded
F) destination port of 1003 of 5Mbps TCP packets enter Bottom queues are discarded
G) destination port of 1002 of 5Mbps TCP packets into the Top queue forward portion
4. After the MPLS LDP protocol Session is successfully established, its state remains in the ______ state.
A) Establish
B) Full
C) Operational
D) Opensent
5. Execute the displa interface tunnel command on a router to display the information of the GRE tunnel interface as follows:
<Router> displa interface Tunnel O
Tunnelo current state: UP
Line protocol current state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 192.1.2.1/24 Primar
Encapsulation is TUNNEL , agg regation ID not set
Tunnel source 10.1.11.1 , destination 10.1.13.1
Tunnel keepalive enable , Period ( 10 s ) , Retries ( 3 )
Tunnel protocol/transport GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 0 btes/sec , 0 packets/sec
Last 30 0 seconds output: 0 btes/sec , 0 packets/sec
4 packets input , 72 btes
0 input error
1 packets output , 24 btes
0 0utput error
It can be known from the above information.( Choose one or more )
A) tunnel channel does not start verification, verification can not start
B) The tunnel interface is in the UP state, and the MTU is 1476 bytes
C) The Keeplive function is enabled on the tunnel interface .Once the router does not receive the Keeplive message from the other party within 30s , the tunnel is considered unavailable.Although the tunnel interface is still in the UP state, the tunnel interface is a static route for the outgoing interface Will disappear from the routing table ;
D) tunnel channel source lP address 192.1.1.1
Solutions:
| Question # 1 Answer: Only visible for members | Question # 2 Answer: B,C | Question # 3 Answer: B,G | Question # 4 Answer: C | Question # 5 Answer: A,B |
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