Chapter 9 - Networking Practice

Question 1

T/F

DSL service and an older technology, ISDN, are provided by the local telephone company (p. 430)

Answer 1

True

Question 2

A DSL installation works very differently than a cable modem installation (p. 430)

Answer 2

False

Question 3

An on-demand broadband connection that’s not always up requires that a user name and password be authenticated at the ISP each time you make that connection (p. 433)

Answer 3

True

Question 4

When trying to use client/server applications on the Internet, your software and hardware firewalls and other security settings on the router will automatically allow the communication (p. 484)

Answer 4

False

Question 5

Many software vendors use FTP sites for downloading software to their customers (p. 486)

Answer 5

True

Question 6

In order to activate your service, the cable company must know the _____ of the cable modem you have installed (p. 429)

Answer 6

MAC Address

Question 7

Most broadband connectoins today are always up and use ____ IP addressing (p. 432)

Answer 7

Dynamic

Question 8

The log-on for an on-demand broadband connection is managed by a protocol called _____ (p. 433)

Answer 8

PPPoE

Question 9

Port ____ opens a port when a PC on the network initiates communication through another port (p. 454)

Answer 9

Triggering

Question 10

For port forwarding to work, the computer on your network must have a _____ IP address (p. 455)

Answer 10

Static

Question 11

_____ is essential to keep others from hacking into your wireless data and to prevent unauthorized use of your wireless LAN (p. 461)

Answer 11

Encryption

Question 12

When supporting and troubleshooting small networks, you’ll need to use ____ to test the physical connections of the network (p. 461)

Answer 12

Cable testers

Question 13

To find out what your DNS server knows about the domain name www.microsoft.com, use the ____ command (p. 462)

Answer 13

Nslookup www.microsoft.com

Question 14

A(n) lookup is when you use the Nslookup command to find the host name when you know a computer’s IP address (p. 463)

Answer 14

Reverse

Question 15

Remote ___ gives a user access to his or her Windows desktop from anywhere on the Internet (p. 466)

Answer 15

Desktop

Question 16

To prepare a computer to serve up Remote Desktop, you need to configure the computer for ___ IP addressing (p. 469)

Answer 16

Static

Question 17

When a Remote ____ session is opened, all local users and their computers from a distance (p. 471)

Answer 17

Assistance

Question 18

When a Remote ____ session is opened, all local users are logged off.

Answer 18

Desktop

Question 19

A log file is kept of every Remote Assistance session in the ____ folder (p. 475)

Answer 19

C:\Users\username\Documents\Remote Assistance Logs

Question 20

Networking happens in ____ (p. 475)

Answer 20

Layers

Question 21

To disconnect a mapped network drive, use the _____ command (p. 480)

Answer 21

Net use z: /delete

Question 22

The command to flush the DNS cache kept on the computer is ____ (p. 480)

Answer 22

Ipconfig /flushdns

Question 23

If you have a problem with connecting to a secured Web site from a corporate network, you might be using the wrong ___ server on the network (p. 484)

Answer 23

Proxy

Question 24

You can use a regular analog phone as an Internet phone if you use a(n) ___ (p. 487)

Answer 24

Analog Telephone Adapter

Question 25

When setting up a VoIP system, know that each digital phone or ATA must be programmed with a phone number from the _____ (p. 489)

Answer 25

VoIP Provider

Question 26

Because electrical interference can be a problem with VoIP phones, each network cable connected to a VoIP phone needs a(n) ____ clamp attached (p. 489)

Answer 26

Ferrite

Question 27

A network cable is sometimes called a(n) ____ cable or a patch cable (p. 427)

Answer 27

Ethernet

Question 28

A router can use ________ redirection to present its own IP address to the Internet in place of IP addresses of computers on the local network

Answer 28

Port forwarding

Question 29

Port _____ is used to open or close certain ports so they can or cannot be used (p. 454)

Answer 29

Filtering

Question 30

A(n) ______ can be used to test a cable to find out if it is good or to find out what type of cable it is if the cable is not labeled (p. 461)

Answer 30

Cable tester

Question 31

_____ data is information about domain names and their corresponding IP addresses kept by a DNS server.

Answer 31

Zone

Question 32

Offers the highest level of protection when you are connected to a public network (p. 440)

Answer 32

Public profile

Question 33

Offers moderate protection when you are connected to a private network (p. 440)

Answer 33

Private profile

Question 34

Lets you read information from the Internet name space by requesting information about domain name resolutions from the DNS server's zone data (p. 462)

Answer 34

Nslookup

Question 35

A computer that intercepts requests that a client makes of a server (p. 483)

Answer 35

Proxy server

Question 36

Eavesdropping on data in transit or from changing that data

Answer 36

Man-in-the-middle attack

Question 37

Transfer files between two computers using the same or different operating systems (p. 486)

Answer 37

FTP

Question 38

Provides voice communication over a network

Answer 38

VoIP

Question 39

The term used to describe a voice conversation that's mingled with varying degrees of delays (p. 487)

Answer 39

Jitter

Question 40

Refers to the success of communication over the Internet (p. 487)

Answer 40

Quality of service