AAQ IT Unit 2 A2.1 System Vulnerabilities

Fill in the blank: A vulnerability is a _______ in a system that can be exploited by cybercriminals, and used to gain unauthorised access.

• weakness

• advantage

• protocol

• update

A port is a __________ point for network traffic. Ports can be physical (USB for example) or logical within software (port 80 allows HTTP traffic, for example).

• connection

• storage

• display

• power

Fill in the blank: ________ is a common network vulnerability that occurs when software is not updated to the latest version.

• Strong encryption

• Multi-factor authentication

• 
  Outdated software

  
  

• Regular backups

Fill in the blank: ________ is a common network vulnerability that happens when security rules are not properly set up in a firewall.

• Firewall misconfiguration

• Phishing attack

• SQL injection

• Man-in-the-middle attack

Fill in the blank: ________ are a common network vulnerability that can allow unauthorized access to a network.

• Unsecured network access points

• Encrypted passwords

• Firewall rules

• Strong authentication methods

Fill in the blank: ________ and social engineering attacks are common network vulnerabilities that trick users into giving away sensitive information.

• Spoofing

• Phishing

• Sniffing

• Brute force

Fill in the blank: Lack of regular ________ is a common network vulnerability that can leave security gaps undetected.

• user training

• software updates

• security audits

• hardware upgrades

A firewall acts as a gateway between which two types of networks?

• Wired and wireless networks

• Local and remote networks

• Public and private networks

• Trusted and untrusted networks

In firewall configuration, what does putting an 'x' in the port field mean?

• It means the port is closed.

• It means 'any port'.

• It means the port is blocked for all traffic.

• It means the port is reserved for admin use only.

You can put an 'x' in place of one of the numbers in the dotted quad of an IP address, which will be interpreted as _____

• any number

• zero

• a letter

• a special character