最新的H3C GB0-180免費考試真題

問題1

Which of the following terms describes the minimum rate, at which the Frame Relay network uses PVC to transmit data?

A. FECN(Forward Explicit Congestion Notification)

B. Local Access Rate

C. CIR(Commited Information Rate)

D. Bc(Commited Burst)

正確答案: C

問題2

Which function does MAC layer define( )

A. To provide hardware address

B. To provide flow control function

C. To screen the upper layer from the low layer transmission medium

D. To provide logical address

正確答案: A

問題3

The command, "dialer timer idle ", is to set( )

A. Wait time before the port data can be sent

B. Idle time of the busy port

C. Link idle time

D. Link disconnection time

正確答案: C

問題4

Which of the following about DLCI is true?

A. In a Frame Relay network, different physical interfaces may have DLCL with the same number

B. The range of DLCI available to the user is 16~1007

C. Used to identify virtual circuit

D. It is only valid at the local interface and the opposite interface directly connected with it.
It is not globally valid

正確答案: A,B,C,D

問題5

Cut-through switching is faster than store-and-forward switching .

A. False

B. True

正確答案: B

問題6

The function of RARP is( )

A. To know its own MAC address and acquire its own IP address through RARP protocol

B. To convert the IP address of the opposite party into MAC address

C. To convert its own IP address into MAC address

D. To convert the MAC address of the opposite party into IP address

正確答案: A

問題7

There is an IP address 192.168.12.43, with the subnet mask to be 255.255.255.128, then the network address is_____, and the broadcast address is ______

A. 192.169.12.128 255.255.255.128

B. 192.168.12.43 255.255.255.128

C. 192.168.12.0 192.168.12.127

D. 192.168.12.32 192.168.12.127

E. 192.168.0.0 255.255.255.255

正確答案: C

問題8

Which of the following belong to Wan protocols?

A. X.25

B. HDLC

C. ISDN

D. Ethernet

E. Token Ring

F. Frame Relay

G. PPP

正確答案: A,B,C,F,G

問題9

ARP denotes( )

A. Address Recall Protocol

B. Address Resolution Protocol

C. Address Resolution Phase

D. ARP Resolution Protocol

正確答案: B

問題10

Which of the following statements concerning standby center are true( )

A. When using the standby center, once fault occurs to the line on the active interface, it will changeover to the standby interface

B. When using the standby center, it will not changeover to the active interface immediately when the line on the active interface returns to the normal state, but, instead, it will after a while

C. When using the standby center, the delay time for changeover from the active interface to the standby interface is configurable

D. When using the standby center, the delay time for changeover from standby interface to the active interface is configurable

正確答案: B,C,D

問題11

Which of the following command is to apply the access list configured to the interface?

A. acl firewall

B. firewall packet-filter

C. ip firewall packet-filter

D. firewall acl

正確答案: B

問題12

Which of the following network type can solve the problem that split horizon causes in Frame Relay( )

A. Point-to-multipoint, full meshed

B. Point-to-multipoint, partial connection

C. Point-to-point, sub-interface

正確答案: A,C

最新的H3C Certified Network Engineer - GB0-180免費考試真題

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