151-200.txt

用jsp编的一个网络程序

151. You are the network administrator of the Tasti-Treats Cereal Company. You receive a call from
a user who is unable to reach a server at a remote site. After further review, you discover the following
information:
Local PC –201.12.22.10/24
default gateway –201.12.22.1
remote server –201.12.23.1
You then conduct the following tests from the offending local PC:
ping 127.0.0.1 unsuccessful
ping 201.12.22.10 unsuccessful
ping 201.12.22.1 unsuccessful
ping 201.12.23.1 unsuccessful
Which of the following problems would create the test results listed above?
A. TCP/IP not correctly installed
B. local physical layer problem
C. Local NIC not functioning.
D. Remote physical layer problem

Answer: A


152. Which Cisco IOS command should you use to display the Novel IPX address assignments on a
router?
A. Show IPX addresses.
B. Show IPX interface.
C. IPX network <number>
D. Display IPX addresses
E. Show IPX routing details

Answer: B

153. Which commands should you use to enable IGRP routing?
A. router igrp 100
network 192.168.1.0
network 10.0.0.0
B. router igrp 100
network 192.168.1.0
network 10.2.0.0
C. router igrp 100
network 192.168.1.0 192.168.1.1
network 10.2.0.0 10.2.1.1
D. router igrp 100
network 192.168.1.0 255.255.255.0
network 10.2.0.0 255.255.0.0

Answer: A

154. Which two statements about a reliable connection oriented data transfer are true? (Choose two)
A. Recipients acknowledge receipt of data
B. When tankers are filled to capacity, datagrams are discarded and not retransmitted
C. Windows are used to control the amount in outstanding acknowledged data segments
D. If the sender a timer expires before receipt of an acknowledgment the sender drops the connection
E. The receiving device waits for acknowledgments from the sending device before accepting more
data segments

Answer: A C

155. You had configured the routing table. You press show run, found that you s0 is shut down. What
the information will display in the first line!
A. the s0 is shut down, protocol is shut down.
B. the s0 is up . protocol is up
C. the s0 is adiministerly up. protocol is up
D. the s0 is adiministerly down. protocol is down
E. the s0 is adiministerly up . protocol is down

Answer: D

156. Which show command should you use to view Frame Relay local management interface (LMI)
traffic statistics?
A. show lmi
B. show ip route
C. show interface
D. show statistics
E. show frame-relay lmi

Answer: E

157. Which wan equipment provides the best quality and quantity about data and signal?
a. isdn
b. atm
c. fddi
d. token ring

Answer: B

158. You are the network administrator of the Tasti-Treats Cereal Company. You receive a call from a
user who is unable to reach a server at a remote site. After further review, you discover the following
information:
local PC – 10.0.3.35/24
default gateway – 10.0.3.1
remote server – 10.0.5.250/24
You then conduct the following tests from the offending local PC:
ping 127.0.0.1 – unsuccessful
ping 10.0.3.35 – unsuccessful
ping 10.0.3.1 – unsuccessful
ping 10.0.5.250 – unsuccessful
Which of the following problems would create the test results listed above?
A. TCP/IP not correctly installed
B. Local physical layer problem
C. Local NIC not functioning.
D. Remote physical layer problem

Answer: A

159. Which three tasks are required to configure a dial on demand routing (DDR) Basic Rate Interface
(BRI) connection? (Choose three)
A. Define static routes.
B. Configure the dialer information.
C. Specify interesting traffic that can enable the link.
D. Define DDR password to exchange when the link comes up.

Answer: A B C

160. IP in which layer according to OSI network layers?
A. application
B. internet
C. network
D. transparent
E. transport

Answer: C

161. Which WAN tech is base on packet delivery?
A. FDDI
B. FRAME RELAY
C. ATM
D. ISDN

Answer: B

162. Which command specifies a second subinterface on serial interface zero?
A. interface s 0.2 point-to-point
B. interface 2 s 0 point-to-point
C. sub interface 2 s 0 point-to-point
D. interface 0 sub 2 point-to-point
E. interface s 0.1 point-to-point sub 2

Answer: A

163. Cisco ISO allows which key stoke(s) to complete the syntax of a partially entered command?
A. ctrl+shift+6 then x
B. ctrl+z
C. tab
D. /?
E. shift

Answer: C

164. During encapsulation in which order is information packaged?
A. Data, Packet, Segment, Frame
B. Segment, Data, Packet, Frame
C. Data, Segment, Packet, Frame
D. Packet, Data, Segment, frame

Answer: C

165. With the hierarchical numbering of IP addresses what determines the portion of the address that
will identify the network number?
A. Subnet Mask
B. Dots between octets
C. Class of first octet
D. Assignments of DHCP
E. Address-resolution process

Answer: C

166. Which two commands allow you to verify address configuration in your internetwork?
A. Ping
B. Trace
C. Verify
D. Test IP
E. Echo IP
F. Config IP

Answer: A B

167. What are four benefits that can result from applying ISDN networking?(Choose four)
A. Full time connectivity across the ISDN supported by Cisco IOS routing using dial on demand routing
DDR.
B. Small office and home office sites can be economically supported with ISDN basic rate interface BRI
services.
C. ISDN replaces signaling system ss7 in the public switch telephone network PSTN backbone.
D. ISDN can be used as a backup service for a lease line connection between the remote and central
offices.
E. Modem racking and cabling can be eliminated by integration with digital modem cards on Cisco IOS
network access servers NAS.

Answer: A B D E

168. Which of the following are not true of standard half-duplex Ethernet circuitry?
A. It is alternate one-way communication.
B. The receive (RX) is wired directly to the transmit (TX) of the remote station.
C. The receive (TX) is wired directly to the receive (RX) of the remote station.
D. Collisions are not possible.
E. Both stations can transmit simultaneously.

Answer: A

169. Which of the following are true regarding passwords on a Cisco router?
A. All passwords can be encrypted.
B. All passwords can be entered using the set-up dialogue.
C. A password can be set before a user can enter the privileged mode.
D. A password can be set for individual lines.
E. TACACS or Radius password authentication can be used.

Answer: A C D E

170. What is the maximum number of subnets that can be assigned to networks when using the
address 172.16.0.0 with a subnet mask of 255.255.240.0? (Assume older version UNIX workstations
are in use.)
A. 16
B. 32
C. 30
D. 14
E. It is an invalid subnet mask for the Network

Answer: D

171. What is the maximum length of the fast Ethernet cable 100BaseTx standard?
A. 10 m
B. 50 m
C. 100 m
D. 1000 m

Answer: C

172. Which of the following are true?
A. The default is to send debug output to the console screen.
B. To view debug output from a telnet session, the "terminal monitor" command must be used.
C. If the "logging buffered" command is used, the debug output would be sent to RAM and can be
viewed with the "show log" command.
D. If the "no console logging" command were configured, output would be sent to a telnet session.
E. All of the above.

Answer: E

173. IP RIP routing is configured on a router, but all interfaces attach to RIP network. What should you
use to prevent all RIP routing updates from being sent through selected interfaces without using access
lists?
A. Passive route
B. Default routes
C. Passive interface
D. Route update filtering

Answer: C

174. What are two characteristics of the RARP protocol? (Choose two.)
A. It generates parameter problem messages.
B. It maps IP addresses to Ethernet addresses.
C. It maps maps Ethernet addresses to IP addresses.
D. It is implemented directly on top of the data link layer.

Answer: C D

175. Which element is used to define the rate, in bits per second, that a Frame Relay switch agrees to
transfer data?
A. Clock rate (CR).
B. Committed Information Rate (CIR)
C. Local management interface (LMI)
D. Data-link connection identifier (DLCI)
E. Committed Rate Measurement Interval (CRMI)