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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

Question 1

The four routers R1 , R2 , R3, and R4 are connected in sequence, and Loopback0 interfaces are created on R1 and R4 , and the interface addresses are 1.1.1.1 and 4.4.4.4 respectively.The four devices are configured with dynamic routing protocols to ensure Loopback0 of R1 and R4 .The address is reachable, and a GRE Tunnel is established between R1 and R4 .Check the tunnel interface information on R1 as follows:
[R1]displa interface Tunnel 0
Tunnelo current state: UP
Line protocol cu rrent state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 10.0.0.1/30 Primar
Encapsulation is TUNNEL , aggregation ID not set
Tunnel source l.1.1.1 , destination 4.4.4.4
Tunnel keepalive disable
Tunnel protocol/transp ort GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 2 btes/sec , 0 packets/sec
Last 300 seconds output: 2 btes/sec , 0 packets/sec
15 packets input , 840 btes
0 input error
27 packets output , 1248 btes
0 0utput error
At this time, if the link between R2 and R3 is interrupted , the following statement is correct.

A. The IP address of the Tunnel interface of R4 should be 10.0.0.2.
B. The status of the Tunnel interface on R1 is Down
C. The source IP of the Tunnel interface of R4 is 1.1.1.1 , and the destination IP is 4.4.4.4
D. Rl on Tunnel interface remains UP state

Question 2

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 )

Question 3

In ADSL of PPPoE applications, when the CPE side using MSR router + ADSL interface card for networking, CO.'S side DSLAM using ATM uplink time, deposit CPE needs to interface on the router which side ( irrespective CPE side LAN Connection ) ?

A. Yi Tai Ethernet port
B. Virtual-Ethernet
C. DSL interface
D. dial number Interface
E. Virtual-Template

Question 4

The three routers shown in FIG., In Routerl and Router3 between creating built GRE tunnel , three routers are configured to :
[Routerl]interface Serial 0/2/0
[Routerl-Serial0/2/0]ip address 10.1.1.1 24
[Routerl]interface loopback 0
[Routerl-LoopBack0]ip address l.1.1.1 32
[Routerl]interface Tunnel 0
[Routerl-Tunnel0]source 1 0.1.1.1
[Routerl-Tunnel0]destination 20.1.1.2
[Routerl-Tunnel0]ip address 100.1.1.1 24
[Routerl]ospf
[Routerl-ospf-l]area 0
[Routerl-ospf-l-area-0.0.0.0]network 10.1.1.1 0.0.0.255
[Routerl-ospf-l-area-0.0.0.0]network l.1.1.1 0.0.0.0
Router2:
[Router2]interface Serial 0/2/0
[Router2-Serial0/2/0]ip address 10.1.1.2 24
[Router2]interface Serial 0/2/1
[Router2-Serial0/2/1]ip address 20.1.1.1 24
[Router2]ospf
[Router2-ospf-l]area 0
[Router2-ospf-l-area-0.0.0.0] network 10.1.1.2 0.0.0.255
[Router2-ospf-l-area-0.0.0.0] network 20.1.1.1 0.0.0.255
Router3:
[Router3]interface Serial 0/2/0
[Router3-Serial0/2/0]ip address 20.1.1.2 24
[Router3-Serial0/2/0]quit
[Router3]interface loopback 0
[Router3-Loop Back0]ip address 3.3.3.3 32
[Router3]interface Tunnel 0
[Router3-Tunnel0]source 20.1.1.2
[Router3-Tunnel0]destination 10.1.1.1
[Router3-Tunnel0]ip address 100.1.1.2
[Router3]ospf
[Router3-ospf-l]area 0
[Router3-ospf-l-area-0.0.0.0] network 20.1.1.2 0.0.0.255
[Router3-ospf-l-area-0.0.0.0]network 3.3.3.3 0.0.0.0
Use the command ping-a 1.1.1.1 3.3.3.3 on the Router to check the connectivity, l00% received icmp reply packets.
In the process of upward progress, the following describes the processing of data packets by each router.The correct one is _____ .( Choose one or more )

A. Router3 for ICMP Echo repl message packets GRE encapsulation
B. Routerl performs IP packet forwarding
C. Router3 performs packet forwarding
D. Routerl for ICMP Echo Request packet GRE decapsulates

Question 5

configure BGP MPLS VPN is required to configure the local VPN private routes and MP-BGP routes into each other, on this part of the configuration of the following statements is correct is ______ .

A. distribution counter local VPN private network and MP-BGP routes into each other, such that the PE device from the local CE routes learned by the MP the BGP advertised to the remote routing protocol PE
B. When EBGP routing protocol is selected between PE and CE , there is no need to configure local VPN private network routes and MP-BGP routes to import each other
C. with opposing local VPN private network and MP-BGP routes into each other, such that the PE device through MP-BGP from a remote routing protocol PE provided apparatus to learn the private network, by PE and CE routing protocol between Release to local CE
D. feature set of the local private network into MP-BGP , it should in BGP 's VPNv4 incorporated address family

Solutions: