Nasca 2007

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Internet Ch. 5 Internet Ch. 8 Networking and Security Ch. 6

Networking and Security Ch. 8

A _________ is a clip of audio or video content that is

broadcast over the Internet using compressed audio files

such as MP3s.

podcast

Which of the following is the relatively new scam that attempts to

trick you into giving away confidential information through the

use of official-looking e-mails and phony Web sites?

phishing

Often used to personalize a Web site and make return visits more

efficient, a ___________ is stored on your computer by the Web server.

cookie

A computer is identified by a(n) __________ so that data sent over the Internet gets

sent to the correct computer.

IP Address

The technology that allows you to listen to a music file while it is being downloaded from a Web site to your

browser, without waiting for the download to finish, is called

Streaming audio

_______ refers to the process of coding e-mail so that only the

person with the key to the code can decode and read the

message.

Encryption

____________ is a client-side, small application that resides on

a server.

applet

The communications method whereby data is broken into

smaller chunks that are sent over various routes at the same time

is

Packet switching

Secure Sockets Layer:a.) provides an authentication and password protection.

b.) creates a safe connection between a client and a server.

c.) is an extension to the HTTP protocol. d.) was created especially for the transfer of hypertext

documents.

b.) creates a safe connection between a

client and a server.

Which protocol is used on the Internet for data transmission?

TCP/IPHTTPUDPFTP

TCP/IP

All network nodes (computers and peripherals) are connected to each other

and to the network by

Transmission media

Which of the following attaches to a network and provides wireless nodes with a means of wirelessly

connecting to the network?

Wireless Access Point

Public places at which you can wirelessly connect to the

Internet are known as

hotspots

A _____________ is defined as anyone who breaks into a

computer system (whether an individual computer or a

network) unlawfully.

hacker

Whatis the weakest link in a computer security system?

The user

A LAN is most likely to be used for which geographical area?

a.) building. b.) metropolitan area.

c.) town. d.) country.

a. building

___________ topology is the most widely deployed client/server network layout in businesses

today because it offers the most flexibility.

Star

To flow through a network, data is broken into small

segments called

packets

Which of the cable types has the highest run length and

the highest installation cost?

Fiber-optic

A firewall ensures that incoming data came from a

valid source by using a technique known as

Packet screening