发信人: sobt(好懒)
整理人: reynolds(2001-11-08 08:48:10), 站内信件
|
146. When you issue the command show version your router returns
"Configuration register is 0x0101"
From where does the router boot?
A ROM
B NVRAM
C Flash
D a TFTP server
Answer: A
147. Which two types of route table entries are used by a Layer 3 router to
determine the appropriate path to a destination? (Choose two )
A static route entry
B default route entry
c dynamic route entry
D temporary route entry
E permanent route entry
Answer: A, C
148. Which command would you use to enable IP RIP version 1 on a router?
A router rip
network 172.16.1.0
network 10.1.0.0
B router rip
network 172.16.0.0
network 10.0.0.0
C router rip
network 172.16.1.0 172.16.1.1
network 10.1.0.0 10.1.1.1
D router rip
network 172.16.1.0 255.255.255.0
network 10.1.0.0 255.255.0.0
Answer: B
149. Which two physical interfaces support PPP? (Choose two)
A Ethernet
B Token Ring
C synchronous serial
D asynchronous serial
Answer: CD
150. What is the result of segmenting a network with a bridge?
A It increases the number of collision domains
B It decreases the number of collision domains
C It increases the number of broadcast domains
D It decreases the number of broadcast domains
Answer: A
151. 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 unacknowledged 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, E
152.Given an IP address and its subnet mask: 172.20.7.160 255.255.255.192
What is the last available host address for the this ip subnet?
A 172 20 7 255
B 172 20 7 190
C 172 20 7 191
D 172 20 7 129
E 172 20 255 255
Answer: B
153. What are two purposes for using switches? (Choose two )
A to reduce collisions
B to increase collisions
C to increase the number of collision domains
D to decrease the number of collision domains
E to decrease the number of broadcast domains
Answer: A, C
154. Which three functions are supported by connection oriented services?
(Choose three )
A Connection parameters are synchronized
B Any loss or duplication of packets can be corrected
C The data packet is independently routed and the service does not
guarantee the packet will be processed in order
D A data communication path is established between a requesting entity
and the peer device on the remote end system
Answer: A, B, D
155. Given the following IP address from the Class C address range:
192.168.21.12
Your network plan needs addresses for 28 small offices. Each office uses its
own subnet The network design specifies that you confound for five bits of
subnetting When you confound for this in Cisco IOS software which subnet mask
should you use?
A 255 255 0 28
B 255 255 255 0
C 255 255 255 28
D 255 255 255 248
E 255 255 255 252
Answer: D
156. What is an example of a valid MAC address?
A 192.201.63.251
B 19- 22- 01- 63- 25
C 0000.1234. FEGA
D 00.00.12.34. FE. AA
Answer: D
157. What are the generic parts of a network layer address?
A an internetworks number and a URL
B a vendor code and a serial number
C a network number and a host number
D a broadcast number and a unicast number
E a domain identifier and a device identifier
Answer: C
|
|