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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

Question 1

According to the network and the following configuration, it can be judged that this is an application of ______ technology.
RTA:
[RTA]ik e peer 123
[RTA-ike-peer-123] pre-shared-ke simple 123
[RTA-ike-peer-123] remote-address 10.1.1.2
[RTA-ike-peer-123] local-address 10.1.1.1
[RTA-ike-peer-123] quit
[RTA]ipsec proposal l
[RTA-ipsec-proposal-1]quit
[RTA]acl number 3000
[RTA-acl- adv-3000] rule 0 permit ip source 1.1.1.1 0.0.0.0 destination 2.2.2.2 0.0.0.0
[RTA]ipsec polic 1 1 isakmp
[RTA-ipsec-polic-isakmp-1-1] securit acl 3000
[RTA-ipsec-polic-isakmp-1-1] ike-peer 123
[RTA-ipsec-polic-isakmp-1-1] proposal 1
[RTA-ipsec-polic-isakmp-1-1]quit
[RTA] interface Ethernet0/1/1
[RTA Ethernet0/1/1] ip address 10.1.1.1 255.255.255.0
[RTA Ethernet0/1/1]ipsec polic l
[RTA]interface Ethernet0/1/0
[RTA Ethernet0/1/0] ip address 192.168.1.1 255.255.255.0
[RTA]interface loopback 0
[RTA- Loopback0]ip address 1.1.1.1 255.255.255.255
[RTA]interface Tunnel 1
[RTA-Tunnel1]source 1.1.1.1
[RTA-Tunnel1]destination 2.2.2.2
[RTA-Tunnell]ip address 100.1.1.1 255.255.255.0
[RTA] ip route-static 2.2.2.2 255.255.255.255 10.1.1.2
[RTA] ip route-static 192.168.2.0 255.255.255.0 100.1.1.2
RTB:
[RTB] ike peer 123
[RTB-ike-peer-123] pre-shared-ke simple 123
[RTB-ike-peer-123] remote-address 10.1.1.1
[RTB-ike-peer-123] local-address 10.1.1.2
[RTB-ike-peer-123]quit
[RTB] ipsec proposal 1
[RTB-ipsec-proposal-l] quit
[RTB]acl number 3000
[RTB-acl-adv-3000] rule o permit ip source 2.2.2.2 0.0.0.0 destination l.1.1.1 0.0.0.0
[RTB]ipsec polic 1 1 isakmp
[RTB-ipsec-polic-isakmp-ll] securit acl 3000
[RTB-ipsec-polic-isakmp-ll] ike-peer 123
[RTB-ipsec-polic-isakmp-ll] proposal 1
[RTB] interface Ethernet0/1/1
[RTB-Ethernet0/1/1] ip address 10.1.1.2 255.255.255.0
[RTB-Ethernet0/1/1] ipsec polic 1
[RTB] interface Ethernet0/1/0
[RTB-Ethernet0/1/0] ip address 192.168.2.1 255.255.255.0
[RTB] interface Loopback0
[RTB-Loopback0] ip address 2.2.2.2 255.255.255.255
[RTB] interface Tunnell
[RTB-Tunnell]source 2.2.2.2
[RTB-Tunnell]destination l.1.1.1
[RTB-Tunnell]ip address 100 , 1.1.2 255.255.255.0
[RTB-Tunnell]keepalive
[RTB] ip route-static l.1.1.1 255.255.255.255 10.1.1.1
[RTB] ip route-static 1 92.1 68.1.0 255.255.255.0 1 00.1.1 .1

A. GRE over IPsec
B. IPsec over GRE
C. L2TP over IPsec
D. IPSec over L2TP

Question 2

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

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

Question 3

Compared with IKE main mode, which of the following advantages does IKE aggressive mode have ?

A. IKE aggressive mode is more secure than main mode
B. adopted by IKE aggressive mode can provide a speed negotiation
C. In the case that both parties in communication can know the IP address of the initiator in advance and need to use the pre-shared key, the aggressive mode can be used
D. IKE aggressive mode can provide authentication

Question 4

AAA supports ______ authentication methods.

A. This authenticated
B. Direct access certification
C. RADIUS authorization
D. HWTACACS authorization

Question 5

The L2TP tunnel information can be displayed through the ____ command .

A. display l2tp session
B. display 12tp verbos
C. display 12tp tunnel
D. display l2tp status

Solutions: