Data Transmission & Wired connecting Devices

An organisation has found a keylogger has been installed on a system that is recording what employees are typing and sending it someone outside the organisation. What type of malware have they been infected with?

• Viruses

• Worms

• Trojans

• Spyware

Answer explanation

Spyware is a malicious program that monitors user activity for the purpose of stealing personal information.

The organisation’s employees have been receiving a lot of emails that are requesting users enter private details into a web form. What threat is this?

• Malware

• Hacking

• Phishing

• Phishing Accidental Damage

Answer explanation

Phishing is where emails are sent purporting to be a reputable company but in fact have been sent by a malicious user for the purpose of gaining personal or financial information.

Which of the following are likely impacts of the threat identified in the previous question?

• Data is deleted from the hard disk and cannot be recovered.

• Bank details are accessed and used to steal money

• Your network is overloaded with data and can no longer be used.

• Login details are gained that can be used for a hack

Answer explanation

Phishing emails are usually used to gain access to private and confidential data, such as bank details, personal details or login details. This can then be used for bank fraud, identity fraud or unauthorised access to systems.

The organisation has noticed someone has been entering in hundreds of password combinations for a username. What type of hacking attack is this?

• Rainbow Table

• Phishing

• Brute Force

• Trojan

Answer explanation

This is where a hacker uses a program to generate a large number of consecutive guesses for a password to gain access to a system

If this individual gains access to the system what might the impact of this be?

• The business could be blackmailed over releasing details of the hack.

• Confidential data could be stolen and released online

• Business data could be deleted from the system.

• All of them

Answer explanation

Once a user has access to a system they can cause a wide range of harm. Theft, modification or deletion of data is common, as is blackmailing businesses

Which of the following are examples of accidental damage?

• Overwriting sales records with your own sales.

• Spilling liquid onto a device causing it to break.

• Deleting unwanted data from the system.

• Installing a virus on a computer after being fired.

Answer explanation

Deleting unwanted data or purposely installing a virus is obviously not accidental. However the others can do.

Amanda’s cat dropped a paperweight on her laptop and it no longer can startup. She had many important files and photos stored on the device. What are potential impacts of this for her?

• Her system may become infected with malware as a result.

• She will need to pay to replace/repair the device.

• She may need to pay a specialist to recover the data.

• The system will be easier for a malicious user to gain unauthorised access.

Answer explanation

There are many financial costs that can occur as a result of accidental damage. Another impact could be the stress caused to Amanda over the potential loss of important data or photos

Harold uses his computer for watching movies and tv shows in 4K. Which type of connector should he NOT use for connecting his monitor?

• HDMI

• VGA

• DVI

• DisplayPort

Answer explanation

VGA is incapable of outputting 4K video.

A benefit of VGA is that it sends an audio signal with the video.

• TRUE

• FALSE

Answer explanation

VGA cannot send an audio signal with the video. HDMI can though.

Which of the following types of connector could you NOT use to transmit data between two IT systems?

• USB

• Ethernet Cable

• SATA

• Fibre Optic

Answer explanation

Ethernet cable and fibre optic cable are both used in networking to transmit data between IT systems. USB is also often used for transmitting data between IT systems, such as from a smartphone to a PC. SATA is only used to transmit data between an IT system and a storage device.