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

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Which of the following factors will not affect VoIP voice quality____

A) Packet loss on IP network
B) back sound
C) selected by signaling type
D) selected encoding type used

2. A company's PBX is connected to the operator's telephone network through an E1 line.Due to the company's expansion, it needs to be able to meet 50 concurrent voice calls.Need to apply for an E1 line ? ( Fill in Arabic numerals )

A) 1

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) Routerl performs IP packet forwarding
D) Router3 performs packet forwarding

4. In the BGP MPLS VPN network, which of the following items ______ exist on the P device ?

A) Private network routing table
B) Public network label forwarding
C) Private network label forwarding
D) Public network routing table

5. 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

Solutions: