Chapter 5

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

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

Phishing

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

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

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

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

Scare-ware

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

Spyware

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

802.11x

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

Access point

Very few countermeasures are as effective as ___, which can help you recover data that was lost to almost any type of threat.

Backups

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

Bandwidth

We use the term ___ to refer to large volumes of data that are constantly being generated by our devices and digital transactions.

Big data

___, 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

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

Countermeasure

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

DDoS

In the field known as ___, experts use modeling software and statistics to extract knowledge from large volumes of data.

Data analytics

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

Ethernet

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

False

When it comes to the best possible security for your wireless router, be sure to use WEP encryption to ensure that your transmissions are unreadable by hackers.

False

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

Each device with a NIC contains a unique identifier, known as a(n) ___ address, which distinguishes it from any other network-connected device in the world.

MAC

Wireless ___ networks, where nodes connect directly to each other, may be used in large homes or businesses to easily cover the entire area.

Mesh

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

Surge protector

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

Trojan horse

Dust can clog cooling systems such as fans, which in turn may cause hardware to overheat.

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

is a feature that requires two forms of identification, such as a password and possession of your phone, to log into an account.

Two factor authentication

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

Virus

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

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

Worm