You are given a Class C network with 25 bits of networking. How many subnets do you have?
1
2
3
4
Correct Answer :
B. 2
Related Questions
___________ defines LAPD, which is responsible for the data-link layer connection between the router and the ISDN switch.
Q.931
Q.921
I.921
I.931
A routing protocol that supports route summarization must perform all except which of the following?
Carry the subnet mask with the network entry.
Make routing decisions based on the entire destination IP address.
Summarize entries so that the same lowest-order bits match.
None of these.
Which command assigns a default gateway to the 2950 switch?
(config)# default-gateway
(config-if)# default-gateway
(config-if)# ip default-gateway
(config)# ip default-gateway
A ___________ in a bit position of a wildcard mask means that the same bit position in the condition address must match the same bit position in the wildcard mask in order to execute the ACL's action.
0
1
10
11
When configuring a router-on-a-stick, the configuration is done on __________.
Physical interfaces
Major subinterfaces
Subinterfaces
_________ describe(s) users working from home.
SOHO
Branch office
Regional office
Corporate office
_________ allows you to create this summarization: 10.0.0.0/7.
Subnetting
CDR
Supernetting
VLSM
Which type of traffic is sent to a group of devices?
Multicast
Unicast
Broadcast
Groupcast
Which of the following is false concerning CHAP?
It sends an encrypted password.
It sends a challenge.
It is more secure than PAP.
It uses a three-way handshake.
A _________ is a network that provides a secure connection from a company to other business partners.
Intranet
Extranet
Internet
You are given a Class C network, 192.168.1.0/24. You need one network with 120 hosts
and two networks with 60 hosts. How many subnet masks do you need?
1
2
3
4
You have this binary value: 11000001. This equates to _____ in decimal.
183
193
173
203
You have a 24-channel T1 connection to your router. How many VCs does this T1 support?
1
24
No limit
You are given a class C network, 192.168.1.0/24. You need one network with 120 hosts and three networks with 60 hosts. What subnet mask values would you use?
255.255.255.128 and 255.255.255.192
255.255.255.128
255.255.255.192
None of these
Which protocol supports VLSM?
RIPv2
IGRP
RIP and IGRP
None of these
You are given a Class C network with a subnet mask of 255.255.255.248. How many host addresses are there on each subnet?
4
6
8
14
If the 2950's RPS is ________, the external power supply is supplying power.
Off
Amber
Flashing amber
Green
Which would you use to move your cursor back one word?
ESC-B
esc-p
ctrl-b
ctrl-p
Which interface type is used to connect to the serial interface of a router?
EIA/TIA-232
V.35
DB-60
X.21
When choosing a dynamic routing protocol, which of the following should not be considered?
Metrics used
How routing information is shared
How routing information is processed
Number of PCs in the network
You are given a MAC address of 01A2.0482.FE12. What is the OUI value in binary?
00011011.10100010.00000100
00000000.00000001.00000100
00000001.10100010.00000100
00000001.10100001.00000010
Which router command clears all of the static translations in the address translation table?
erase ip nat translation *
clear ip nat translation *
clear ip nat translation all
None of these commands
VLSM allows you to summarize __________ back to the class boundary.
Subnets
Networks
172.16.240.256 is a class __________ address.
A
B
C
None of the above
Which is true concerning a port in a listening state? (Choose all correct answers.)
.
It remains there for 15 seconds.
It forwards BPDUs and builds the CAM table
It remains there for 20 seconds.
It forwards BPDUs.
When connecting a switch to a router, use a ___________ cable.
Crossover
Straight-through
Rollover
If the port status LED on a 2950 is ________, there is a physical layer connection problem.
Flashing green and amber
Flashing green
Amber
Flashing amber
A _________ connects two or more LANs in the same geographic area.
LAN
WAN
MAN
SAN
Which 2950 command enables trunking?
switchport mode trunk
trunking on
trunking enable
switchport trunk on
If you see a VC with an inactive status, this indicates ____________.
The connection between both Frame Relay DTEs is up and operational.
The connection between your Frame Relay DTE and DCE is up and operational, but there is something wrong with connection between your connected Frame Relay switch and the destination DTE.
You are not receiving any LMI messages from the Frame Relay switch.