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

문제1

BGP MPLS VPN group network, private network packets from the CE side into the PE the device , PE how to determine the packet belongs to VPN_______ .

A. root according to the purpose of the packet IP address determination

B. root according to the packet's source IP address is determined

C. root data message into the PE device interface belongs to VPN Analyzing

D. Root , according to the message carried by private label judge

정답: C

문제2

When a PPP frame is encapsulated by adding an L2TP header, it will be marked with the correct Tunnel ID and Session ID to identify its tunnel and session attributes.The Tunnel ID ( tunnel identifier ) in the L2TP header is assigned by ____ , and the Session ID ( session identifier ) is assigned by ____ .

A. This end of the LAC , the peer LNS

B. This end LAC , the local LAC

C. The opposite end LNS , the opposite end LNS

D. to end the LNS , the local LAC

정답: C

문제3

In the VoIP network, which of the following factors has nothing to do with the bandwidth saved by VAD technology ?

A. said language and characteristics of the speaker

B. mesh network congestion degree

C. selected by signaling type

D. selected encoding type used

정답: B,C

문제4

The encapsulation format of the voice data transmitted in the VoIP network is

A. IP TCP the I the I the I the RTP speech sound data

B. IP UDP the I the I the I the RTP speech sound data

C. IP the I the I RTCP UDP the I the I the RTP speech sound data

D. IP the I the I the RTP speech sound data

정답: B

문제5

An employee of a company often travels on business.In order to facilitate access to company resources, which of the following L2TP access and authentication methods should he use____

A. LNS certification

B. passenger door LAC mode

C. alone stand L2TP mode

D. LAC certification

정답: A,B

문제6

The VPI/VCI parameters of ADSL connection are negotiated and determined in ____ .

A. DMT modulation

B. Jian Li low-level link VCC

C. Line Road activate

D. PPPoE negotiation

정답: B

문제7

In EPON applications, if the home gateway or switch on the user side is provided by the operator and unified VLAN management, then the VLAN operation mode on the UNI port should be configured as ____ .

A. VLAN tagging mode

B. VLAN transparent transmission mode

C. VLAN Tag mode

D. VLAN Translation Mode

정답: B

문제8

Which of the following statements about the access network is correct is _____

A. Compared with backbone network, access network is often the bottleneck of network transmission speed

B. access into generally refers to the connection between the user and the network operator of the network close to the user central office

C. The access network can also be Ethernet

D. access network typically includes a user transmission system, terminal multiplexers or network,

정답: A,B,C,D

문제9

When the link type of the ONU port is Access , its processing method for the upstream message is ____ .

A. Only the packets with the default VLAN tag are allowed to pass and go to the tag

B. for without receipt of the Tag message, add the default VLAN tag , to receive with tag packets forwarded directly

C. only allowed with a tag messages by

D. only allowed without belt tag packets through, and packets add the default VLAN 's tag

정답: D

문제10

Among the control messages defined by the MPCP protocol, the one sent by the ONU is _____ .( Choose one or more )

A. Register

B. Register_Req

C. The GATE

D. Report

E. Register Ack

정답: B,D,E

문제11

In the basic configuration of L2TP in independent LAC mode, the correct description of the local name of the tunnel is ____ .

A. In the L2TP group view, use the Tunnel name name command to configure the local tunnel name

B. default case considered, the name of a tunnel for the name of the system

C. In the system view, use the Tunnel name name command to configure the local tunnel name

D. default case considered, the name of a tunnel is empty

정답: A,B

문제12

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 3

B. 1.1.1.3/32 is the local interface address of PE1 , all outgoing labels are NULL , and incoming labels are 3.

C. 1.1.1.3/32 is the interface address of the public network device directly connected to PE1 , so the output label is 1024

D. 1.1.1.3/32 is the local interface address of PE1 , all outgoing labels are NULL and outgoing labels are 3.

정답: A,B

문제13

Among the following VPN technologies, the VPNs belonging to the second layer are:

A. GRE VPN

B. VPLS

C. VLL

D. IPSce VPN

정답: B,C

문제14

The following descriptions belong to the function of the handshake layer of the SSL protocol .

A. Association key used to encrypt the parameter provider

B. insurance certificate, reliable data transmission

C. Negative responsible for the establishment, maintenance SSL session

D. isobutyl the normally turned off SSL connection

정답: C,D

문제15

During the ONU registration process, the MPCP control message sent through the unicast channel includes _____ .( Choose one or more )

A. Register

B. Register_Req

C. hair now GATE

D. Report

E. Register_Ack

F. P through GATE

정답: E,F

문제16

Execute the displa interface tunnel command on a router to display the information of the GRE tunnel interface as follows:
<Router> displa interface Tunnel O
Tunnelo current state: UP
Line protocol current state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 192.1.2.1/24 Primar
Encapsulation is TUNNEL , agg regation ID not set
Tunnel source 10.1.11.1 , destination 10.1.13.1
Tunnel keepalive enable , Period ( 10 s ) , Retries ( 3 )
Tunnel protocol/transport GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 0 btes/sec , 0 packets/sec
Last 30 0 seconds output: 0 btes/sec , 0 packets/sec
4 packets input , 72 btes
0 input error
1 packets output , 24 btes
0 0utput error
It can be known from the above information.( Choose one or more )

A. The Keeplive function is enabled on the tunnel interface .Once the router does not receive the Keeplive message from the other party within 30s , the tunnel is considered unavailable.Although the tunnel interface is still in the UP state, the tunnel interface is a static route for the outgoing interface Will disappear from the routing table ;

B. tunnel channel source lP address 192.1.1.1

C. tunnel channel does not start verification, verification can not start

D. The tunnel interface is in the UP state, and the MTU is 1476 bytes

정답: C,D

문제17

During the SIP UA calling the called party through the proxy server,

A. Lord called UA all messages are 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. In addition to the external location request message, the main called UA other messages do not need to be forwarded through a proxy server

D. to the not right

정답: A

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

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