26 IGRP uses flash updates, poison reverse updates, holddown
times, and split horizon. How often does it broadcast its
routing table updates?
A. 90 seconds
B. 10 seconds
C. 30 seconds
D. 45 seconds
Ans A
27 The command "show IP protocol" displays which information?
A. routing timers
B. network information
C. contents of the IP routing table
D. information about all known network and subnetworks
Ans A & B
28 When using RIP, routing updates are broadcast every ____
seconds.
A. 30
B. 10
C. 60
D. 90
Ans: A
29 An autonomous system can only exist if all routers in that
system meet which criteria?
A. interconnected
B. run the same routing protocol
C. assigned same autonomous system number
D. run IGRP only
E. run RIP only
Ans A,B &C
30 A default route is analogous to a _________.
A. default gateway
B. static route
C. dynamic route
D. one-way route
Ans: A
31 Routers can learn about destinations through static routes,
default, or dynamic routing. By default, a router will use
information derived from __________.
A. IGRP
B. RIP
C. IP
D. TCP
Ans A
32 You are logged into a router, what command would
show you the IP addresses of routers connected to you?
A. show cdp neighbors detail
B. show run
C. show neighbors
D. show cdp
Ans A
33 As a system administrator, you perform an extended ping at
the privileged EXEC prompt. As part of the display, you see
"Set DF bit in IP header? [yes] :" What would happen if you
answered no at the prompt.
A. This lets the router fragment the packet.
B. It tells the router not to fragment the packet.
C. This lets the router direct the packet to the destination
it finds in its routing table.
D. It tell the router to send the packet to the next hop
router.
Ans A
34 You have typed "ping" 172.16.101.1 and get the following
display:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echoes to 172.16.101.1,
timeout is 2 seconds:
.!!!!
What does the "." signify?
A. That one message timed out.
B. That all messages were successful.
C. That one message was successful.
D. That one message completed in under the allotted
timeframe.
Ans A
35 Which command, that is used to test address configuration,uses Time-To-Live (TTL) values to generate messages from
each router.
A. trace
B. ping
C. telnet
D. bootp
Ans: A
36 What does the command "IP name-server 255.255.255.255"
accomplish?
A. It sets the domain name lookup to be a local broadcast.
B. This is an illegal command.
C. It disables domain name lookup.
D. The command is now defunct and has been replaced by "IP
server-name ip any"
Ans A
37 As a system administrator, you need to provide your routerswith a Domain Name System (DNS) server. How many DNS
servers can you specify with one command?
A. 6
B. 1
C. 2
D. 4
Ans A
38 How would you configure one host name that points to two IP
addresses?
A. IP host jacob 1.0.0.5 2.0.0.8
B. IP jacob 1.0.0.5 2.0.0.8
C. IP host jacob 1.0.0.5
D. IP host duplicate "all"
Ans A
39 The following selections show the command prompt and the
configuration of the IP network mask. Which two are
correct?
A. Router#term IP netmask-format { bitcount | decimal | hexadecimal }
B. Router(config-if)#IP netmask-format { bitcount | decimal | hexadecimal }
C. Router(config-if)#netmask-format { bitcount | decimal | hexadecimal }
D. Router#ip netmask-format { bitcount | decimal | hexadecimal }
Ans A & B
40 When configuring the subnet mask for an IP address, whichformats can be used?
A. dotted-decimal.
B. Hexadecimal
C. Bit-count
D. Octal
E. Binary
Ans A, B &C
41 You are given the following address: 153.50.6.27/25.
Determine the subnet mask, address class, subnet address,
and broadcast address.
A. 255.255.255.128, B,153.50.6.0, 153.50.6.127
B. 255.255.255.128, C,153.50.6.0, 153.50.6.127
C. 255.255.255.128, C,153.50.6.127, 153.50.6.0
D. 255.255.255.224, C,153.50.6.0, 153.50.6.127
Ans A
42 You are given the following address: 128.16.32.13/30.
Determine the subnet mask, address class, subnet address,
and broadcast address.
A. 255.255.255.252, B,128.16.32.12, 128.16.32.15
B. 255.255.255.252, C,128.16.32.12, 128.16.32.15
C. 255.255.255.252, B,128.16.32.15, 128.16.32.12
D. 255.255.255.248, B,128.16.32.12, 128.16.32.15
Ans A
43 You are given the following address: 15.16.193.6/21.
Determine the subnet mask, address class, subnet address,
and broadcast address.
A. 255.255.248.0, A, 15.16.192.0, 15.16.199.255
B. 255.255.248.0, B, 15.16.192.0, 15.16.199.255
C. 255.255.248.0, A, 15.16.199.255, 14.15.192.0
D. 255.255.242.0, A, 15.16.192.0, 15.16.199.255
Ans A
44 You have an IP host address of 201.222.5.121 and a subnet
mask of 255.255.255.248. What is the broadcast address?
A. 201.222.5.127
B. 201.222.5.120
C. 201.222.5.121
D. 201.222.5.122
Ans A
45 Given the address 172.16.2.120 and the subnet mask of255.255.255.0. How many hosts are available?
A. 254
B. 510
C. 126
D. 16,372
Ans A
46 Which addresses are valid host addresses?A. 201.222.5.17
B. 201.222.5.18
C. 201.222.5.16
D. 201.222.5.19
E. 201.222.5.31
Ans A,B & D
47 You are a network administrator and have been assigned theIP address of 201.222.5.0. You need to have 20 subnets with 5 hosts per subnet. What subnet mask will you use?
A. 255.255.255.248
B. 255.255.255.128
C. 255.255.255.192
D. 255.255.255.240
Ans A
48 You are given the IP address of 172.16.2.160 with a subnet
mask of 255.255.0.0. What is the network address in binary?
A. 10101100 00010000
B. 00000010 10100000
C. 10101100 00000000
D. 11100000 11110000
Ans: A
49 Which addresses are INCORRECTLY paired with their class?
A. 128 to 191, Class B
B. 192 to 223 Class B
C. 128 to 191, Class C
D. 192 to 223, Class C
Ans B & C
50 Which addresses are INCORRECTLY paired with their class?
A. 1 to 126, Class A
B. 128 to 191, Class A
C. 1 to 126, Class B
D. 128 to 191, Class B
Ans:B & C.
times, and split horizon. How often does it broadcast its
routing table updates?
A. 90 seconds
B. 10 seconds
C. 30 seconds
D. 45 seconds
Ans A
27 The command "show IP protocol" displays which information?
A. routing timers
B. network information
C. contents of the IP routing table
D. information about all known network and subnetworks
Ans A & B
28 When using RIP, routing updates are broadcast every ____
seconds.
A. 30
B. 10
C. 60
D. 90
Ans: A
29 An autonomous system can only exist if all routers in that
system meet which criteria?
A. interconnected
B. run the same routing protocol
C. assigned same autonomous system number
D. run IGRP only
E. run RIP only
Ans A,B &C
30 A default route is analogous to a _________.
A. default gateway
B. static route
C. dynamic route
D. one-way route
Ans: A
31 Routers can learn about destinations through static routes,
default, or dynamic routing. By default, a router will use
information derived from __________.
A. IGRP
B. RIP
C. IP
D. TCP
Ans A
32 You are logged into a router, what command would
show you the IP addresses of routers connected to you?
A. show cdp neighbors detail
B. show run
C. show neighbors
D. show cdp
Ans A
33 As a system administrator, you perform an extended ping at
the privileged EXEC prompt. As part of the display, you see
"Set DF bit in IP header? [yes] :" What would happen if you
answered no at the prompt.
A. This lets the router fragment the packet.
B. It tells the router not to fragment the packet.
C. This lets the router direct the packet to the destination
it finds in its routing table.
D. It tell the router to send the packet to the next hop
router.
Ans A
34 You have typed "ping" 172.16.101.1 and get the following
display:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echoes to 172.16.101.1,
timeout is 2 seconds:
.!!!!
What does the "." signify?
A. That one message timed out.
B. That all messages were successful.
C. That one message was successful.
D. That one message completed in under the allotted
timeframe.
Ans A
35 Which command, that is used to test address configuration,uses Time-To-Live (TTL) values to generate messages from
each router.
A. trace
B. ping
C. telnet
D. bootp
Ans: A
36 What does the command "IP name-server 255.255.255.255"
accomplish?
A. It sets the domain name lookup to be a local broadcast.
B. This is an illegal command.
C. It disables domain name lookup.
D. The command is now defunct and has been replaced by "IP
server-name ip any"
Ans A
37 As a system administrator, you need to provide your routerswith a Domain Name System (DNS) server. How many DNS
servers can you specify with one command?
A. 6
B. 1
C. 2
D. 4
Ans A
38 How would you configure one host name that points to two IP
addresses?
A. IP host jacob 1.0.0.5 2.0.0.8
B. IP jacob 1.0.0.5 2.0.0.8
C. IP host jacob 1.0.0.5
D. IP host duplicate "all"
Ans A
39 The following selections show the command prompt and the
configuration of the IP network mask. Which two are
correct?
A. Router#term IP netmask-format { bitcount | decimal | hexadecimal }
B. Router(config-if)#IP netmask-format { bitcount | decimal | hexadecimal }
C. Router(config-if)#netmask-format { bitcount | decimal | hexadecimal }
D. Router#ip netmask-format { bitcount | decimal | hexadecimal }
Ans A & B
40 When configuring the subnet mask for an IP address, whichformats can be used?
A. dotted-decimal.
B. Hexadecimal
C. Bit-count
D. Octal
E. Binary
Ans A, B &C
41 You are given the following address: 153.50.6.27/25.
Determine the subnet mask, address class, subnet address,
and broadcast address.
A. 255.255.255.128, B,153.50.6.0, 153.50.6.127
B. 255.255.255.128, C,153.50.6.0, 153.50.6.127
C. 255.255.255.128, C,153.50.6.127, 153.50.6.0
D. 255.255.255.224, C,153.50.6.0, 153.50.6.127
Ans A
42 You are given the following address: 128.16.32.13/30.
Determine the subnet mask, address class, subnet address,
and broadcast address.
A. 255.255.255.252, B,128.16.32.12, 128.16.32.15
B. 255.255.255.252, C,128.16.32.12, 128.16.32.15
C. 255.255.255.252, B,128.16.32.15, 128.16.32.12
D. 255.255.255.248, B,128.16.32.12, 128.16.32.15
Ans A
43 You are given the following address: 15.16.193.6/21.
Determine the subnet mask, address class, subnet address,
and broadcast address.
A. 255.255.248.0, A, 15.16.192.0, 15.16.199.255
B. 255.255.248.0, B, 15.16.192.0, 15.16.199.255
C. 255.255.248.0, A, 15.16.199.255, 14.15.192.0
D. 255.255.242.0, A, 15.16.192.0, 15.16.199.255
Ans A
44 You have an IP host address of 201.222.5.121 and a subnet
mask of 255.255.255.248. What is the broadcast address?
A. 201.222.5.127
B. 201.222.5.120
C. 201.222.5.121
D. 201.222.5.122
Ans A
45 Given the address 172.16.2.120 and the subnet mask of255.255.255.0. How many hosts are available?
A. 254
B. 510
C. 126
D. 16,372
Ans A
46 Which addresses are valid host addresses?A. 201.222.5.17
B. 201.222.5.18
C. 201.222.5.16
D. 201.222.5.19
E. 201.222.5.31
Ans A,B & D
47 You are a network administrator and have been assigned theIP address of 201.222.5.0. You need to have 20 subnets with 5 hosts per subnet. What subnet mask will you use?
A. 255.255.255.248
B. 255.255.255.128
C. 255.255.255.192
D. 255.255.255.240
Ans A
48 You are given the IP address of 172.16.2.160 with a subnet
mask of 255.255.0.0. What is the network address in binary?
A. 10101100 00010000
B. 00000010 10100000
C. 10101100 00000000
D. 11100000 11110000
Ans: A
49 Which addresses are INCORRECTLY paired with their class?
A. 128 to 191, Class B
B. 192 to 223 Class B
C. 128 to 191, Class C
D. 192 to 223, Class C
Ans B & C
50 Which addresses are INCORRECTLY paired with their class?
A. 1 to 126, Class A
B. 128 to 191, Class A
C. 1 to 126, Class B
D. 128 to 191, Class B
Ans:B & C.
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