Question 1

Which of the following attaches a network node to the communications media?

Accepted Answer

A)  NIC
B)  switch
C)  IP
D)  server A

Question 2

What four network properties enable you to distinguish one type of network from another?

Accepted Answer

Communications medium
Protocol
Topology
Network type (private versus public)

Question 3

Which of the following are properties of a mesh topology? (Choose all that apply.)

Accepted Answer

A)  always uses a central device
B)  provides fault tolerance
C)  sometimes called an expanded star
D)  requires multiple NICs in each device B,D

Question 4

Match each term with the correct statement below
-links multiple LANs within a large city or metropolitan region.

Accepted Answer

A)  Internet Connection Sharing (ICS) 
B)  packet
C)  cable plant
D)  metropolitan area network (MAN) 
E)  Institute of Electrical and Electronic Engineers (IEE
E)  F) communications mediaG) peer-to-peer networkH) network interface card (NI
C)  I) star-bus hybrid technology

Question 5

The logical path followed by network packets or frames may not fully match the physical layout.

Accepted Answer

A) True 
 B)False

Question 6

Define and describe a NIC.

Accepted Answer

The answer of Define and describe a NIC....

Question 7

A ____ consists of interconnected computers,printers,and other computer equipment in close physical proximity.

Accepted Answer

A)  WAN
B)  MAN
C)  SAN
D)  LAN

Question 8

Which of the following is NOT a common method of network communication?

Accepted Answer

A)  over copper wire
B)  over optical radio waves
C)  over fiber-optic media
D)  over microwaves

Question 9

Describe the star topology and its advantages and disadvantages.

Accepted Answer

The answer of Describe the star topology and its advantages...

Question 10

A ____ specifies how networked data is formatted into discrete units,such as packets or frames.

Accepted Answer

A)  router
B)  protocol
C)  topology
D)  communications medium

Question 11

Describe the star-ring topology.

Accepted Answer

The answer of Describe the star-ring topology....

Question 12

A network ____ has two components: the physical layout of network cables,and devices and the logical path followed by the network packets or frames.

Accepted Answer

A)  protocol
B)  operating system
C)  interface card
D)  topology

Question 13

Which of the following is an example of a wireless PAN technology?

Accepted Answer

A)  Universal Serial Bus
B)  fiber-optic media
C)  Bluetooth
D)  satellite communication

Question 14

A VPN,is another type of network,like LAN or WAN,and means Virtual Personal Network and is mostly used for short range communications.

Accepted Answer

A) True 
 B)False

Question 15

The term "____" refers to built-in protection against equipment or communications failure.

Accepted Answer

A)  fanout
B)  diameter
C)  bandwidth
D)  fault-tolerance

Question 16

Define a computer network and describe some of its advantages.

Accepted Answer

The answer of Define a computer network and describe some...

Question 17

A(n)______________________________ is a private network that functions like a tunnel through a larger network.

Accepted Answer

The answer of A(n)______________________________ is a private network that functions...

Question 18

____ used for protecting a network may be created using routers.

Accepted Answer

A)  Switches
B)  Firewalls
C)  Terminators
D)  Hubs

Question 19

Match each term with the correct statement below
-attaches network nodes to the communication media.

Accepted Answer