最新的H3C GB0-391免費考試真題

問題1

Among the packets encapsulated by the GRE protocol, the payload protocol is the IPX protocol, and the bearer protocol is the IP protocol.The encapsulation sequence of the packet from the link layer to the payload data is the link layer ____GRE____ payload data.

A. IPX , IPX

B. lP , IPX

C. IPX , IP

D. IP , IP

正確答案: B

問題2

In L2TP VPN , LAC ( LATP Access Concentrator , L2TP access concentrator ) receives the IP data packet sent from the remote system to the server , and needs to encapsulate the data packet and send it to LNS ( L2TP Network Server , L2TP) Network server ) , the encapsulation format of the data packet transmitted between LAC and LNS is

A. Private network data packet ->PPP header ->L2TPT header ->UDP header -> Public network IP header

B. Private network data packet ->PPP header ->UDP header ->L2TPT header -> Public network IP header

C. Private network data packet ->PPP header ->UDP header -> public network IP header ->L2TPT header

D. Private network data packet ->L2TPT header ->PPP header ->UDP header -> public network IP header

正確答案: B

問題3

In the private network routing table of the PE equipment, the next hop of the remote user's private network route is ______ .

A. present P E of loopbac K interface address

B. distal end CE of the loopback interface address

C. distal end PE of the loopback interface address

D. distal end of the PE and CE interface address connected

正確答案: C

問題4

Configure the following commands on the MSR router:
qos pql 1 queue top queue-length 1024
qos pql 1 inbound-interface GigabitEthernet0/0 queue top
qos pql 1 protocol ip tcp 1000 queue top
qos pql 1 protocol ip tcp 1001 queue middle
qos pql 1 protocol ip tcp 1002 queue normal
qos pql 1 protocol ip tcp 1003 queue bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
From the interface G0 / 0 into the only access port G0 / 1 forwarding traffic directed include the destination port, respectively 1000 , 1001 , 1002 and 1003 of the TCP packet flow rates of 3Mbps , other background traffic 4Mbps , other interfaces no flow, then the following claims The incorrect one is ______ ( choose one or more )

A. Head of port 1000 of TCP packet forwarding rate of 3Mbps

B. back background traffic packets into the Bottom queue, forward speed of about 0.5Mbps

C. Head of the port 1002 of TCP packet forwarding rate of 3Mbps

D. Head of port 1003 of TCP packet forwarding rate of 1Mbps

E. Head of port 1001 of TCP packet forwarding rate of 3Mbps

正確答案: B,C,D

問題5

In VoIP networks, the bandwidth saved by VAD technology is related to which of the following factors ?

A. said language and characteristics of the speaker

B. selected by signaling type

C. selected encoding type used

D. mesh network congestion degree

正確答案: A,C

問題6

8 In the configuration of stateful inspection firewall, _____ must be configured.

A. adjusting the entire TCP / UDP detection time protocol

B. Full Board start the firewall function

C. Apply ASPF strategy under the interface

D. given meaning ASPF policy

正確答案: B,C,D

問題7

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

B. 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 ;

C. tunnel channel source lP address 192.1.1.1

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

正確答案: A,D

問題8

MPLS labels a total of ______bit , which Label label value portion accounted _______bit .

A. 32 24

B. 48 20

C. 48 24

D. 32 20

正確答案: D

問題9

The quality of service of a data network usually has different requirements due to different services.Compared with data services, voice and video services are more focused on

A. When the delay jitter

B. band width

C. When delay

D. Maximum number of concurrent connections

正確答案: A,C

問題10

The interconnection between ordinary telephones , PBXs and other devices has a unified interface standard, including analog interfaces and digital interfaces.The following belong to the digital voice interface is ______ .

A. E1

B. FXO

C. T1

D. FXS

正確答案: B,D

問題11

Which statement about WFQ is correct?

A. phase only according to the same group of different IP priorities are assigned different queues

B. with the same group only depending on the IP precedence or DSCP different priority queues assigned

C. phase only according to the same group of different DSCP priority assigned different queues

D. can use WRED congestion avoidance control

E. feature set WFQ function can be arranged as required command in system view QoS wfq dscp queue-length 64 queue -number 64

正確答案: A,C,E

問題12

Which of the following messages are used to indicate that the calling party the called call direction request is being processed, no longer receives the call request another call setup signaling message ?

A. Connecting

B. Progress

C. Alerting

D. Call-proceeding

正確答案: D

問題13

In BGP MPLS VPN of networking, a private network user packet has two MPLS label, on which two layers of MPLS label statement is correct _______ .

A. the outer label may have the same value

B. the outer label not be the same value

C. inner layer label tag is a public network, the LDP distribution protocol

D. inner layer label is a private label, and the MP-BGP distribution protocol

正確答案: A,D

問題14

use IKE is IPSec provides auto-negotiation key exchange and create SA during the service, in the IKE defines which of the first stage of consultation kinds of IKE exchange mode ?

A. Fast speed mode ( New Group Mode )

B. Wild Man mode ( Aggressive Mode )

C. channel information exchange mode ( Informational the Exchange Mode )

D. Main Mode ( the Main Mode )

正確答案: B,D

問題15

Configure the following commands on the MSR router:
qos pql 1 protocol-ip-tcp1000 queue-top
qos pql 1 protocol-ip-tcp1001 queue-middle
qos pql 1 protocol-ip-tcp1002queue-normal
qos pql 1 protocol-ip-tcp1003 queue-bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
qos rtpq start-port 16384 end-port 32767 bandwidth 1000 cbs 25000
Then when the destination port are 1000 , 1001 , 1002 and 1003 of the TCP packet and matching with RTPQ the flow rates of at 4Mbps speed feed into the MSR , and from the side port G0 / 1 forwarding, the following statements is correct is ______

A. The forwarding rate of RTPQ traffic packets is about 1Mbps

B. Head of port 1001 of TCP packet forwarding rate is 4Mbps

C. Head of the port 1002 of TCP packet forwarding rate is 2.4Mbps

D. Head of port 1000 of TCP packet forwarding rate to 3Mbps

E. Head of port 1003 of TCP packet forwarding rate is 0

正確答案: A,B,E

最新的H3C Constructing Secure optimized WANs v2.0 - GB0-391免費考試真題

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