Quiz 1 Questions

Question 1

The lowest note possible on the piano is……….Hz, and the highest note possible is 4200 Hz.

Answer 1

30Hz

Question 2

……… is entities that convey meaning within a computer or computer system.

Answer 2

Data

Question 3

When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This power, or loss of signal. strength, is called…………

Answer 3

attenuation

Question 4

The……….. of a signal is the number of times a signal makes a complete cycle within a given time frame.

Answer 4

frequency

Question 5

If you want to transfer data from one point to another, either via a physical wire or through radio waves, the data has to be converted into a(n) …………

Answer 5

signal

Question 6

Cycles per second, or frequency, is represented by…………

Answer 6

hertz

Question 7

what is not a function of the physical layer?

Answer 7

providing error_free transmission of data

Question 8

frequency modulation refers to the changing of the height of the sound wave.

True
False

Answer 8

False

Question 9

A group of personal computers or terminals located in the same general area and connected and connected by a common cable (communication circuit) so they can exchange informention such as a set of rooms, a single building, or a set of well-connected buildings is called…….

Answer 9

A local area network

Question 10

frequency is the number of cycles per second and is expressed in Hertz

True
False

Answer 10

True

Question 11

Amplitude, frequency, and phase are all characteristics of a sound wave

True
False

Answer 11

True

Question 12

The median is the physical matter or substance that carries the voice or data transmission

True
False

Answer 12

True

Question 13

In a(n)…….. system, a user at a micro computer, or client machine, issues a request for some form of dater service.

Answer 13

client /server

Question 14

A…….. is a device that is essentially a keyboard and screen with no long-term storage capabilities and little, if any, processing power.

Answer 14

computer terminal

Question 15

The……… layer is responsible for establishing sessions between users for token management.

Answer 15

session

Question 16

The bottom layer in the OSI model, the…….. layer, handles the transmission of bits over a communication channel.

Answer 16

physical

Question 17

…………ensures that the network does not become saturated at any one point.

Answer 17

Congestion control

Question 18

The………. layer of the OSI model performs end-to-end flow control.

Answer 18

transport

Question 19

The…….. in a network architecture, define a model for the functions or services that need to be performed.

Answer 19

layers

Question 20

TCP/IP ………. layer, sometimes called the internet layer, is roughly equivalent to OSI’s network layer.

Answer 20

network