CCNA认证基础课程-课后作业.习题答案.doc

CCNA认证基础-习题分析讲义
第一部分
第一章
Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below. (3)
85
90
BA
A1
B3
1C
Convert the Hexadecimal number A2 into its Base 10 equivalent. Select the correct answer from the list below. (4)
156
158
160
162
164
166
Which binary number is a representation of the decimal number 248? (3)
11101000
11110100
11111000
11111010
Which of the following will test the internal loopback of a node? (3)
ping
ping
ping
ping
ping
What can be verified by essfully pinging the reserved loopback address on a host? (2)
Connectivity exists between two hosts on the LAN.
The TCP/IP stack of the local host is configured correctly.
A connection exists between a host and the default gateway.
The route a packet takes from the local host to a remote host is valid.
Which of the mands could be used on a Windows-puter to view the current IP configuration of the system? (Choose two.)
(3,4)
configip
ifconfig
ipconfig
winipcfg
Winipconfig
Refer to the exhibit. What must be configured on Host B to allow it municate with the Host C? (Choose three.) (2,4,6)
the MAC address of RTA router interface connected to Switch 1
a unique host IP address
the IP address of Switch 1
the default gateway address
the MAC address of Host C
the mask for the LAN
What are important characteristics to consider when purchasing work interface card? (Choose two.) (2,3)
security used on work
media used on work
system bus used on puter
software installed on work
diagnostic tools installed on work
第二章
Select the necessary information that is required pute the estimated time it would take to transfer data from one location to another. (Choose two.) (1,5)
file size
data format
network in use
type of medium
bandwidth of the link
Using the data transfer calculation T=S/BW, how long woul