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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Equipment security reinforcement methods include ______ .

A) Off Closed FTP and other services
B) setting set access control lists to control user interaction
C) plus strong own password strength
D) setting set their own access control

2. M In BGP MPLS VPN on a network station of the public network equipment, displa mpls ldp lsp command command checks its label forwarding table, the following results described _______ .
[PE1] dis mpls ldp lsp
LDP LSP Information
-------------------------------------------------- -------------------------------------------------- ------------
SN DestAddres s/Mask In/OutLabel Next-Hop In/Out-Interface
-------------------------------------------------- -------------------------------------------------- -------------
1 1.1.1.1/32 3/NULL 127.0.0.1 Eth0/0/InLoop0
2 1.1.1.2/32 NULL/1024 100.0.0.2 ---------Eth0/0
3 1.1.1.3/32 NULL/3 100.0.0.2 ---------Eth0 /0

A) 1.1.1.3/32 is the interface address of the public network device directly connected to PE1 , so the output label is 1024
B) 1.1.1.3/32 is the local interface address of PE1 , all outgoing labels are NULL and outgoing labels are 3.
C) 1.1.1.3/32 is the local interface address of PE1 , all outgoing labels are NULL , and incoming labels are 3.
D) 1.1.1.3/32 is the interface address of the public network device directly connected to PE1 , so the output label is 3

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

4. In a VoIP network where calls are made through a gatekeeper , what will happen when the gatekeeper cannot determine the location information of the called terminal within its jurisdiction ?

A) to the answers are right
B) Direct access permission rejection reply to the caller ( the ARJ ) message
C) Send a location request ( LRQ ) message to its known gatekeeper
D) directly connected to the calling party returns a location reject ( LRJ ) message

5. In a VoIP network, which of the following factors are related to the bandwidth saved by VAD technology ?

A) selected encoding type used
B) mesh network congestion degree
C) said language and characteristics of the speaker
D) selected by signaling type

Solutions: