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

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. SIP UA calls the called party through the proxy server.

A) In addition to the external location request message, the calling UA other messages do not need to be forwarded through a proxy server
B) behalf of the proxy server to help get the called UA after position, calling UA directly to the called UA initiates a call
C) to the not right
D) Lord called UA all messages are forwarded through a proxy server

2. Among the packets encapsulated by the GRE protocol, the negotiation protocol is - protocol, and the encapsulation order of the packet from the link layer to the payload data is

A) link path layer -> GRE -> IPX -> IP -> payload data
B) link path layer -> IPX -> IP -> payload data
C) link path layer -> IP -> IPX -> payload data
D) link path layer -> GRE -> IP -> IPX -> payload data

3. In L2TP networking, false set LAC and LNS are case has been in the public network, and are correct Unicom, if Tunnel construction legislation fails, the possible causes are

A) Tunnel verification fails
B) On the LAC side , the address of the LNS is incorrectly set
C) There is no L2TP group set on the LNS end that can receive the opposite end of the tunnel
D) The username and password set on the LAC side are incorrect

4. The three routers are shown in the figure .A GRE tunnel is created between Routerl and RouLer3 .The configuration commands for the three routers are :
Routerl:
[Router1]interface Serial 0/2/0
[Router1-Serial0/2/0]ip address 10.1.1.1 24
ERouter1]interface loopback 0
[Router1-LoopBack0]ip addre ss 1.1.1.1 32
[Router1]interface Tunnel 0
[Router1-Tunnel0]source 10.1.1.1
[Router1-Tunnel0]destination 20.1.1.2
[Routerl-Tunnel0]ip address 100.1.1.1 24
[Router1]ospf
IRouter1-ospf-1]area 0
IRouter1-ospf-1-area-0.0.0.0]network 10.1.1.1 0.0.0.255
[Router1]ip route-static 3.3.3.3 32 100.1.1.2
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-Serial0/2/0]ip address 20.1.1.1 24
[Router2]ospf
IRouter1-ospf-1]area 0
IRouter1-ospf-1-area-0.0.0.0]network 10.1.1.2 0.0.0.255
IRouter1-ospf-1-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]interface loopback 0
[Router3-LoopBack0]ip address 3.3.3.3 32
[Router3]interface Tunnel 0
[Router3-Tunnel0]source 20.1.1.2
[Router3-Tunnel0]destination 1 0.1.1.1
[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]ip route-static l.1.1.1 32 100.1.1.1
Use the command ping-a 1.1.1.1 3.3.3.3 on Router 1 to check the connectivity, and 100% receive ICMP reply packets.
In the above process, the following description of the various routers to process packets of data, is correct ____ .( Choose one or more )

A) Router2 performs lP packet forwarding
B) Router 1 performs GRE encapsulation of ICMP Echo Request packets
C) Router2 performs GRE decapsulation of ICMP Echo Request packets
D) Router3 performs GRE encapsulation of ICMP Echo Reply packets

5. The following functions of the convergence layer are ____ .( Choose one or more )

A) High -speed packet-switched
B) access into the security control
C) complex routing strategies complicated
D) owns a large number of interfaces, and for the final connected user computer

Solutions: