Web Browsing

Question 1

What is malware?

Answer 1

Harmful software that is designed to damage, disrupt, or gain access to your computer systems.

Question 2

Explain a virus

Answer 2

● A computer virus is a type of malware that replicates itself by
modifying other computer programs and inserting its own code

Question 3

Explain a worm

Answer 3

● Typically spread across networks by exploiting vulnerabilities,
consuming bandwidth, and potentially causing damage by
overloading networks or taking down servers

Question 4

Explain a trojan horse

Answer 4

● Harmful pieces of software that look legitimate or hide within
legitimate software

Question 5

Explain adware

Answer 5

● Short for advertising-supported software, automatically delivers
advertisements

Question 5

Explain ransomware

Answer 5

● Type of malware that encrypts the user’s files and demands a
ransom to restore access

Question 6

Explain spyware

Answer 6

● Type of malware that secretly observes the user’s activity and
collects personal information

Question 7

Name 4 malware symptoms.

Answer 7

Unexpected pop -ups
Redirected browser homepage
Slow computer performance
Unexpected changes to settings or data

Question 8

Briefly explain the features of these 4 web browsers

Microsoft Edge, Safari, Google Chrome, Firefox

Answer 8

o Microsoft Edge offers a clean interface and is compatible with Windows, Mac,
iOS, and more
o Safari prioritizes speed and energy efficiency, but it’s only available on Apple
devices
o Google Chrome is popular for its speed and simplicity
o Mozilla Firefox emphasizes privacy and customization

Question 9

What is active content?

Answer 9

▪ Web content that can interact with the user without waiting for a server
to respond

Question 10

What are some types of active content?

Answer 10

Scripting
Add ons
Flash and silver light
Java

Question 11

Wht is the difference between first-party and third-party cookies?

Answer 11

● First-party cookies are generated by the website where the user
is directly visiting
● Third-party cookies are created by a domain different from the
one the user is visiting

Question 12

What does private browsing prevent?

Answer 12

Storing of browsing data locally (on the device)

Question 13

What is caching?

Answer 13

▪ Method used by web browsers to store copies of web pages, images, and
other resources on the device

Question 14

Explain these types of blockers.

Script blockers
Ad blockers
Pop-up blockers

Answer 14

o Script blockers allows to control which scripts run on the device, enhance
privacy, and protect against malicious scripts

o Ad blockers remove ads and trackers, making websites faster and less distracting

o Pop-up blockers prevent unwanted pop-ups and improve security

Question 15

What is a digital certificate?

Answer 15

These digital certificates provide a way to verify the identities of parties
involved in a communication and enable the use of encryption to protect
the data being exchanged

Question 16

What is a proxy server and what can they do?

Answer 16

Any device that acts as a gateway between the client’s PC and the
Internet

● See what things people are accessing
● Content filtering
● Cache the pages as people are going there