Chapter 12

Router

A device that connects two or more networks together.

Local area network

A network that has all connected devices or nodes located in the same physical location.

Client

A personal computer that connects to a server.

Denial of service

An attack that is perpetrated by sending out so much traffic that it cripples a server or network.

VPN

Creates a private network through the public network (Internet), allowing remote users to access a local area network (LAN) securely without needing dedicated lines.

Phishing

Email messages and IMs that appear to be from those you do business with, designed to trick you into revealing information, such as usernames and passwords for your accounts.

Ethernet

Standards that define the way data is transmitted over a local area network.

Hacking

The act of gaining unauthorized access to a computer system or network.

protocol

The rules for communication between devices.

Computer Networking

Two or more computers that share resources.

Firewall

What blocks unauthorized access to a network?

Spyware

What form of malware secretly gathers personal information about you?

Trojan horse

What is a program that appears to be a legitimate program but is actually malicious?

802.11

What standards define the way data is transmitted over a WiFi network?

Peer to peer network

What type of network does not require a network operating system, in which each computer is considered equal?

Wide are network

What type of network spans multiple locations and connects multiple local area networks (LANs) over dedicated lines using routers?

PAN

What type of wireless network connects devices through a wireless access point?

Switch

Which hardware device connects the devices on a LAN?

Star

n which local area network (LAN) topology is every node attached to a central device such as a switch or wireless access point?