CCNA最新模拟考试题

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　CCNA
　　1.given the network 192.141.27.0/28, identify the valid host addresses. (choose three.)

　　a. 192.141.27.33

　　b. 192.141.27.112

　　c. 192.141.27.119

　　d. 192.141.27.126

　　e. 192.141.27.175

　　f. 192.141.27.208

　　2.to perform proper and efficient routing what must a router have?

　　a. destination application of an incoming packet.

　　b. number of other packets in a single flow of data.

　　c. destination network address of an incoming packet.

　　d. number of routers that know a path to the destination.

　　3.exhibit:

　　i 154.128.16.0 [100/1100] via 30.100.192.4, 00:00: ethernet 0

　　your trainee studies the routing table on your catalyst 5000 switch. one specific entry draws the attention of the trainee
(see exhibit). he is curious about the number 1100 and asks you how it is calculated.
　　you need to tell the trainee what is used in the calculation. (select two.)

　　a. mtu

　　b. bandwidth

　　c. administrative distance

　　d. hop count

　　e. metric

　　f. delay

　　4.to
　　configure a console password you type the following command what would normally follow this command?

　　routers(config) #line console 0

　　which operation is most likely to follow?

　　a. configure terminal type.

　　b. enter protocol parameters for a serial line.

　　c. create a password on the console terminal line.

　　d. establish a terminal type 4 connection to a remote host.

　　e. change from configuration mode to console privilege mode.

　　5.for what purpose does frame relay use dlcis?

　　a. they determine the frame relay encapsulation type.

　　b. they identify the logical circuit between a local router and a frame relay wan switch.

　　c. the represent the keepalives used to maintain the pvc in an active state.

　　d. they represent the physical address of the router attached to a frame relay network.

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