Deck 4: Networks

Question 1

Networks are founded on the client-server architecture.

Answer 1

True

Question 2

A work station is always a server.

Answer 2

False

Question 3

On computer networks, analog signals are primary means of communicating information.

Answer 3

False

Question 4

Bit Parity is a common scheme used to prevent data corruption.

Question 5

Networks accomplish data transfer with a concept called packet switching.

Question 6

Middleware is software or hardware that connects workstations to a network.

Question 7

A protocol is an agreement between people on how a transaction should take place.

Question 8

A Local Area Network (LAN) is used to connect geographically separated networks together.

Question 9

One of the first lines of defense of a network is a firewall.

Question 10

Encryption is changing text or data into a form that is unreadable with a key.

Question 11

A network is established whenever ________ or more computers begin an exchange of information.

A) One Hundred
B) Ten
C) Five
D) Two

Question 12

Digital signals are subject to ________ decrease in strength as analog signals.

A) a greater
B) the same
C) a smaller
D) none of the above

Question 13

A modem changes ________ on your computer into ________ that can be transmitted over a telephone line.

A) simplex signals; duplex signals
B) digital signals; analog signals
C) analog signals; digital signals
D) duplex signals; simplex signals

Question 14

A router is a ________ between two networks.

A) hub
B) bridge
C) node
D) switch

Question 15

A/an ________ system is one of the simplest and most effective means of protecting a network.

A) password
B) locked
C) analog
D) digital

Question 16

A firewall works by ________ to the network.

A) controlling access
B) giving access
C) stopping access
D) monitoring access

Question 17

Networks accomplish ________ with a concept called packet switching.

A) data transfer
B) access
C) connection
D) security

Question 18

Data is transmitted in a ________ using frequency shift key technology.

A) hardwired manner
B) wireless manner
C) secure manner
D) rapid manner

Question 19

Bandwidth refers to the ________ of the medium that carries the signal.

A) capacity
B) width
C) scope
D) length

Question 20

All security aspects of a firewall are somewhat ________. They are there to prevent a security breech.

A) preventative
B) active
C) passive
D) reliable

Question 21

Which of the following is NOT a way that information travels between computers in a network?

A) Full-Duplex Transmission
B) Half-duplex Transmission
C) Simplex Transmission
D) Triplex Transmission

Question 22

Which of the following is an advantage of digital signals over analog signals?

A) There is no advantage.
B) Analog signals can be transmitted at a higher speed.
C) Peripheral devices for analog system tend to be less complex.
D) Digital signals tend to have fewer errors.

Question 23

In networks, the analog wave is called:

A) A branch
B) A byte
C) A bit
D) A baud

Question 24

The most common configuration of a Local Area Network is:

A) Hierarchical
B) Tree Structure
C) Vertical
D) all of the above

Question 25

Which of the following is NOT an aspect of Intrusion Detection?

A) Searching for patterns of abnormal behavior
B) Vulnerability assessment
C) Network scanning
D) Scanning inside the network, only

Question 26

A work station is also know as a:

A) server
B) node
C) desktop personal computer
D) base station

Question 27

Which of the following is provided by a server?

A) Printers
B) Files
C) Processing power
D) all of the above

Question 28

Which of the following in NOT true about bit parity?

A) If an error is detected the receiving computer asks for the message to be resent.
B) It is a common scheme used to prevent data corruption.
C) It relies on adding the binary digits in a packet of data.
D) The error checking digit is added to the front of the data packet.

Question 29

Which of the following is a consideration in network design?

A) Design reliability
B) Throughput and response time speed
C) Least-cost path
D) all of the above

Question 30

In a star configuration network, all transmission come from:

A) the client
B) the node
C) the server
D) the hub