CGS1060C Chapter 5

___, which are large networks of compromised computers, can be used by a hacker to spread malware, send spam, and conduct carefully orchestrated network attacks.

Botnets

A ___ cable consists of a thin strand of glass that transmits pulsating beams of light rather than electric current.

fiber-optic

Today, a ___ generally refers to an individual who uses a computer and/or network to commit a variety of crimes.

hacker

Large organizations often use a ___ library for backups and archives of their data.

tape

Dust can clog cooling systems such as fans, which in turn may cause hardware to overheat. (true or false)

true

A ___ is a fully-contained program that self-replicates and spreads through computers and networks.

worm

If a company had its corporate headquarters in one city but its manufacturing plant in another, it would likely set up a(n) ___ to connect the systems in these two locations.

WAN

Which of the following is NOT one of the three general strategies that are used to authenticate individuals?

Who you know

For modern networks, ___ is measured in either megabits per second (Mbps) or gigabits per second (Gbps).

bandwidth

Which of the following is NOT one of the specifications of Wi-Fi technology?

802.11x

A ___ attack allows hackers to shut down or block access to websites and other network resources by overwhelming them with requests.

DDoS

Most network installations use a(n) ___ star topology with twisted-pair cables that plug into the RJ45 port located on many devices.

Ethernet

The ___ lock can make it difficult for thieves to steal a laptop.

Kensington

___ involves luring individuals into entering personal information into a website controlled by the hacker.

Phishing

___ is a type of malware which is designed to report activity on your computer to another party.

Spyware

___ passwords are long and generally use a mix of upper and lower case letters, numbers, and at least one symbol such as a dash or period.

Strong

A ___ is a program that disguises itself as an interesting, useful, or desirable program in order to gain access to your system.

Trojan Horse

Because it increases the security of a network connection, a ___ is often required for users who wish to access a company's private network over an Internet connection.

VPN

A wireless ___ is the device to which all nodes connect in order to communicate wirelessly.

access point

Any step you take to ward off a threat is called a:

countermeasure

Social engineering is a form of hacking that has a social or political agenda behind it. (true or false)

false

Data moves through networks in structures known as ___, which are pieces of a message broken down into small units by the sending device and reassembled by the receiving device.

packets

The scam known as ___ typically comes in form of an alert message that claims to be from the FBI or your security software.

scareware

A ___ is an inexpensive product that guards connected equipment against large power spikes or surges that may infrequently occur.

surge protector

A ___ provides multiple ports for connecting nodes and is aware of the exact address or identity of all the nodes attached to it.

switch

Many thieves use the temptation of free (illegal) software to lure individuals into downloading malware on file-sharing services. (true or false)

true

The network that connects the computers in a school's study center or library is considered a LAN. (true or false)

true

The wireless access points that are used in homes contain integrated routers, as do the devices that ISPs typically provide for Internet connectivity. (true or false)

true

A ___ is a type of malware that is attached to a host file and has the ability to replicate, or copy, itself.

virus

When the power fails completely, the battery in a(n) ___ contains enough power to run a computer system for a given amount of time.

UPS