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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

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

2. by the security gateway device displa ipsec sa command displays the following order information, the information is understood by ______ .
Interface: Serial0/2/1
path MTU: 1500
=========================== ====
-----------------------------
IPsec polic name: "1"
sequence number: 1
mode: isakmp
-----------------------------
connection id: 5
encapsulation mode: transport
perfect forward secrec: None
tunnel:
local address: 10.2.1.1
remote address: 10.2.1.2
Flow:
sour addr: 10.1.1.0/255.255.255.0 port: 0 protocol: IP
dest addr: 10.3.1.0/255.255.255.0 port: 0 protocol: IP
[inbound ESP SAs]
spi: 909448761 ( 0x36351639 )
proposal: ESP-ENCRPT-DES ESP-AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
max received sequence-number: 19
udp encapsulation used for nat traversal: N
[outbound ESP SAs]
spi: 1583842120 ( 0x5e678348 )
proposal: ESP-ENCRPT-DES ESP- AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
max sent sequence-number: 20
udp encapsulation used for nat traversal: N

A) This security policy IKE dynamic state of a negotiated key , the SPI , security protocols and algorithm parameters
B) This security policy does not enable the NAT traversal function of IPSec/IKE
C) This security policy works in tunnel mode
D) This security policy uses the ESP+AH encapsulation protocol

3. The user wants to design an H.323 network and requires unified and centralized control of all call rights.Which of the following components are necessary ?

A) MVU
B) net off
C) network gatekeeper
D) terminating end

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

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

5. Which of the following information about the private network route learned from the remote end through the MP-BGP protocol will be recorded by the PE ?

A) RT Import Target attribute of the private network route
B) The private network label of the private network route
C) RD value of the private network route

Solutions: