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100

The XYZ company has two

offices, one in Chicago, and a

brand-new office in Pittsburgh.

To connect the two offices,

they will need a dedicated line,

probably leased from the phone

company. What type of

network will they be

implementing to connect their

two offices?




WAN

100

Which of the following

is NOT a field in an

Ethernet frame header?




Time-to-Live

100

You hand a technician a

crossover cable to make a

connection between

devices. Which device pair

are you most likely asking

him to connect?




Switch to switch

100

When a TCP session begins,
what is the name of the first
segment that is transferred?

SYN




100

One job that a router performs is

that of gatekeeper, which means

that it can be configured to only

allow certain packets access into

the network is based on a list of

rules. What is the process

called?




Access control

200

You have started a new business. You

need to have three to four workstations

available for your employees who

simply need to share some files and a

printer, but you don’t have a large

budget. Security is not a major concern,

but costs are. Which network model

would be the most appropriate for your

situation?




Peer-to-peer network

200

n a token ring network, what is the

central device called?central device called?




Multistation Access

Unit (MAU)




200

Which type of interference is

caused by wires in the same

cabling bundle?




Crosstalk

200

An IP address consists of four

octets separated by periods.

Which part of this address

denotes its class?




First octet

200

What function does the

Logical Link Control sublayer

of the Data Link layer

provide?




Error recovery and flow

control




300

What command issued

from the command

prompt will show the

route that a packet travels

from the issuing computer

to another computer?




Tracert

300

What is the most common

topology and technology

combination in use today?




Switched/Ethernet

300

What is a disadvantage of
using fiber-optic cabling
versus twisted-pair
cabling?

More expensive

terminations




300

hat is the network ID of the IP

address 172.19.48.16 subnet mask

255.255.240.0?




172.19.48.0

300

What is the IEEE

standard that governs all

forms of Ethernet media

and interfaces?




802.3

400

What component of the computer

contains a MAC address?




NIC

400

The physical topology

that is daisy-chained like

a bus where the cabling is

brought around from the

last device to the first

device?




Physical ring

400

TCP establishes a

connection with the

destination device using

which process?




Three-way

handshake




400

Which IP address is a Class C address?

(a) 255.100.149.20

(b)125.88.1.66

(c) 193.19.101.11

(d)177.14.23.19




193.19.101.11

400

Which layer of the

OSI model is

responsible for

protocol conversion, if

necessary?




Presentation

500

Which device receives a frame and reads

the source and destination MAC addresses

before forwarding the frame out another

port?




Switch

500

An Ethernet cable runs across a

warehouse that is 120 meters in

length. The bit signals are so weak

that they cannot be accurately read

by the receiving station. What is the

term for this problem?




Attenuation

500

hich protocol is used to access a

Windows desktop interface remotely?




RDP

500

You are the network administrator for a

company that uses a private addressing

scheme for its internal network. You have

300 workstations that regularly access the

Internet. What process must be in

operation on your network to allow all the

workstations to have access to the Internet

using only one public IP address?




PAT

500

You are working at the help desk, and

you get a message that a user cannot

access the Internet. You open a

command prompt, ping the

workstation’s IP address, and get a

response. You ask the user to try the

Internet again. He does so with the same

result-no connection. Which type of

device is most likely to be the problem?




Network layer device

M
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