A+ Review Quizzes Ch18

Question 1

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Offers the highest level of protection when you are connected to a public network Public profile

Offers moderate protection when you are connected to a private network Private profile

Lets you read information from the Internet name space by requesting information about domain name resolutions from the DNS server’s zone data

Nslookup

A computer that intercepts requests that a client makes of a server Proxy server

Eavesdropping on data in transit and/or changing that data Man-in-the-middle attack

Transfer files between two computers using the same or different operating systems FTP

Provides voice communication over a network VoIP

The term used to describe a voice conversation that is mingled with varying degrees of delays

Jitter

Refers to the success of communication over the Internet Quality of Service

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The correct answer is: Offers the highest level of protection when you are connected to a public network – Public profile, Offers moderate protection when you are connected to a private network – Private profile, Lets you read information from the Internet name space by requesting information about domain name resolutions from the DNS server’s zone data – Nslookup, A computer that intercepts requests that a client makes of a server – Proxy server, Eavesdropping on data in transit and/or changing that data – Man-in-the-middle attack, Transfer files between two computers using the same or different operating systems – FTP, Provides voice communication over a network – VoIP, The term used to describe a voice conversation that is mingled with varying degrees of delays – Jitter, Refers to the success of communication over the Internet – Quality of Service.

Question 2

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In order to activate your service, the cable company must know the ____ of the cable modem you have installed.

Select one:

a. IP address

b. MAC address

c. host address

d. conversion address

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The correct answer is: MAC address.

Question 3

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Most broadband connections today are always up and use ____ IP addressing.

Select one:

a. static

b. routed

c. dynamic

d. hosted

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The correct answer is: dynamic.

Question 4

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The logon for an on-demand broadband connection is managed by a protocol called ____.

Select one:

a. PPPoE

b. PPoE

c. PPPoT

d. PPPoD

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The correct answer is: PPPoE.

Question 5

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Port ____ opens a port when a PC on the network initiates communication through another port.

Select one:

a. blinking

b. waiting

c. stalling

d. triggering

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The correct answer is: triggering.

Question 6

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For port forwarding to work, the computer on your network must have a ____ IP Address.

Select one:

a. dynamic

b. converted

c. static

d. realized

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The correct answer is: static.

Question 7

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____ is essential to keep others from hacking into your wireless data and to prevent unauthorized use of your wireless LAN.

Select one:

a. Encryption

b. Compression

c. Obfuscation

d. Integrity

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The correct answer is: Encryption.

Question 8

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

Select one:

a. wire kits

b. cable testers

c. cable probes

d. cable infusers

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The correct answer is: cable testers.

Question 9

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

Select one:

a. dig www.microsoft.com

b. fetch www.microsoft.com

c. nslookup www.microsoft.com

d. nbtstat www.microsoft.com

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The correct answer is: nslookup www.microsoft.com.

Question 10

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

Select one:

a. reverse

b. forward

c. inverted

d. standard

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The correct answer is: reverse.

Question 11

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Remote ____ gives a user access to his or her Windows desktop from anywhere on the Internet.

Select one:

a. Assistance

b. Console

c. Sharing

d. Desktop

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The correct answer is: Desktop.

Question 12

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To prepare a computer to serve up Remote Desktop, you need to configure the computer for ____ IP addressing.

Select one:

a. dynamic

b. learned

c. static

d. comparative

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The correct answer is: static.

Question 13

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

Select one:

a. Desktop

b. Assistance

c. Console

d. Sharing

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The correct answer is: Desktop.

Question 14

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Remote ____ can help you support users and their computers from a distance.

Select one:

a. Console

b. Sharing

c. Desktop

d. Assistance

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The correct answer is: Assistance.

Question 15

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A log file is kept of every Remote Assistance session in the ____ folder.

Select one:

a. C:\Users\username\Public\Remote Assistance Logs

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

c. C:\Users\Public\Remote Assistance Logs

d. C:\Users\username\Remote\Remote Assistance Logs

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The correct answer is: C:\Users\username\Documents\Remote Assistance Logs.

Question 16

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Networking happens in ____.

Select one:

a. flows

b. layers

c. patterns

d. tides

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The correct answer is: layers.

Question 17

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To disconnect a mapped network drive, use the ____ command.

Select one:

a. net use z: /kill

b. net use z: /unmap

c. net use z: /delete

d. net use z: /disconnect

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The correct answer is: net use z: /delete.

Question 18

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The command to flush the DNS cache kept on the computer is ____.

Select one:

a. ipconfig /flushdns

b. ipconfig /cleardns

c. ipconfig /pushdns

d. ipconfig /flushnames

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The correct answer is: ipconfig /flushdns.

Question 19

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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.

Select one:

a. interface

b. network

c. redirection

d. proxy

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The correct answer is: proxy.

Question 20

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

Select one:

a. Network Telephone Adapter

b. Digital Telephone Adapter

c. Analog Telephone Adapter

d. Internet Telephone Adapter

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The correct answer is: Analog Telephone Adapter.

Question 21

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When setting up a VoIP system, know that each digital phone or ATA must be programmed with a phone number from the ____.

Select one:

a. VoIP provider

b. ISP

c. Network administrator

d. Service Center

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The correct answer is: VoIP provider.

Question 22

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

Select one:

a. ceramic

b. ferrite

c. plastic

d. aluminum

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The correct answer is: ferrite.

Question 23

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

Select one:

True

False

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The correct answer is 'True'.

Question 24

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A DSL installation works very differently than a cable modem installation.

Select one:

True

False

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The correct answer is 'False'.

Question 25

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An on-demand broadband connection that is not always up requires that a user name and password be authenticated at the ISP each time you make the connection.

Select one:

True

False

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The correct answer is 'True'.

Question 26

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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.

Select one:

True

False

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The correct answer is 'False'.

Question 27

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Many software vendors use FTP sites for downloading software to their customers.

Select one:

True

False

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The correct answer is 'True'.