CCNA的考试题!!!!!!!!!!!!!!!!!!!!!!!!!!

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Router# password cisco


38.) Which router component stores routing tables, ARP cache and packet buffers?

ROM

RAM (MA)

NVRAM

Flash memory


39.) ICMP (reffered to in RFC 1700) is implemented by all TCP/IP hosts

True (M.A)

False


40.) IPX traffic using different encapsulation type can go over the same data link

True (M.A)

False


41.) Benefit of a bridge segmenting?

Decreases the # collision domains

Increases the # collision domains (MA)

Decreases the # broadcast domains

Increases the # broadcast domains



42.) Which statements are true.


Fast Ethernet ports of the switch operate at full duplex using one pair of wire for send other for receiving. (M.A)


10BaseT ports operate at half duplex by default (M.A)


Fast Ethernet ports of the switch operate at full duplex supporting multiple devices on single port.


One more


43.) Which of the following can be use for verification of network.


Ping (M.A)


Traceroute (M.A)


Verify


Configure Terminal


One more.


44.) How can you see all the commands in buffer.

Show history (MA)


Show history buffer


Show buffer


Show buffer history


Show history all


45.) What is the advantage of UDP


Needs no acknowledgement and save from overhead traffic. (M.A)


Reliable protocol


Use sequence numbering and flow control something like that


Two more.


46.) Which of the following are the ways to configure the RAM. (choose three)


Copy tftp startup-config


Copy startup-config running-config (M.A)


Configure memory (M.A)


Configure Overwrite


Configure terminal (M.A)


Copy running-config tftp


I think this is the question which I done wrong in the IOS command section because I am not sure about the configure memory, it is the command in IOS pre release 10.3 which I wasn’t remember correctly.


47.) You want to install a network 200.13.30.16 (don’t remember the IP something like that it was from class C) with two subnets and 35 host maximum. What mask you will use?


255.255.255.192 (M.A)


255.255.255.240


255.255.255.248


255.255.255.224


48.) What statements are describe the ISDN?

Users with dialup connection with modems (56k) have more bandwidth then ISDN

ISDN provides data only.


ISDN provides both Data and Voice (MA)

Two more


49.) If you get message "incomplete command" what would you do?

Re-enter command followed by ? (M.A)


Type help the command


Type ? to see the associate keyword


Type show history


50.) why the IOS was developed ?


Different vendor products can work together (M.A)


4 more


51.) What one is the fastest.


Router


Switch


Bridge


Hub (M.A)


As it works on the physical layer.