profdavid 3* - 78839

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boricua701

boricua701

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Price: $15
  • From: Computer Science,
  • Due on: Mon 18 Jul, 2016 (09:36pm)
  • Asked on: Sat 16 Jul, 2016
  • Due date has passed, but you can still Post Solution.
Description

Question 1

 

What is the definition of a local area network?

 

Networks that span an individual’s house.

 

A Network that span a few meters around a person.

 

Networks that encompass states, multiple states, countries, or the world

 

Networks that span a room, a floor within a building, or an entire building

Question 2

 

List the 4 layers of the TCP/IP model: _____, _____, _____, _____.

 

 

Question 3

 

The range of frequencies that a signal spans from minimum to maximum is called the ?

 

Question 4

 

What is modulation?

 

The process of sending data over a signal by varying its amplitude, frequency, or phase.

 

The process of converting digital to analog signals.

 

The method used to encapsulate sensitive data.

 

The mathematical algorithm used to convert analog to digital signals.

Question 5

 

Amplification is the opposite of attenuation.

True

False

 

Question 6

 

What is the definition of a metropolitan area network?

 

Networks that span an individual’s house.

 

A Network that span a few meters around a person.

 

Networks that encompass states, multiple states, countries, or the world

 

Networks that span a room, a floor within a building, or an entire building.

 

Question 7

 

What is the maximum data throughput of a category 5e cable?

 

100 Mbps

 

1,000 Mbps

 

50 Mbps

 

10,000 Mbps

 

Question 8

 

List the two disadvantages of using fiber optic cables: _____, _____.

 

Question 9

 

Within computing, a protocol is considered to be a de facto standard.

True

False

 

Question 10

 

How many pins are in a lightening cable?

 

25

 

32

 

8

 

30

 

Question 11

 

A device that accepts input from one or more users is called a _____.

 

Multiplexor

 

Firewall

 

Virtual LAN

 

SONET

 

Question 12

 

_____ is the process of taking data and packing more of it into the same space.

 

Question 13

 

What type of noise is relatively continuous and similar to the static you hear when a radio is being tuned between two stations? _____.

 

Question 14

 

The reflective feedback of a transmitted signal as the signal moves through a medium is known as _____.

 

Bounce Back

 

Reverberation

 

Jitter

 

Echo

4 points  

Question 15

 

_____ is the continuous loss of a signal’s strength as it travels through a medium.

 

Question 16

 

The most basic error-detection techniques are parity checks.

True

False

4 points  

Question 17

 

A useful type of forward error correction is a _____

 

Redundant correction

 

Piggybacking

 

Hamming code

 

Receiver correction

 

Question 18

 

A _____ is a simple network device that connects computers together and requires virtually no overhead to operate.

 

Question 19

 

A _____ is a logical sub- group within a local area network created via switches and software.

 

VLAN

 

Token Ring

 

MAN

 

Multiplexor

 

Question 20

 

Ethernet was the first commercially available local area network system.

True

False

 

Question 21

 

A _____ is similar to a bus except that it uses addresses and processing power to direct a frame out of a particular port.

 

Router

 

Switch

 

VPN

 

VLAN

4 points  

Question 22

 

_____ is the most popular LAN system today.

 

Question 23

 

A _____ is a large, complex program that can manage the common resources on most local area networks.

 

Mainframe

 

Server

 

Network Operating System

 

Network Management Application

4 points  

Question 24

 

_____ stores information about all the objects and resources in a network

 

Question 25

 

A peer-to-peer network utilizes more servers than a local area network.

True

False

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