iGCSE Computer Science: Network Security

Network security protects data from threats to its ... (select all correct answers)

• Confidentiality

• Integrity

• Relevance

• Availability

Select all the valid means of protecting data confidentiality on a network ...

• Backing up sensitive data

• Varying levels of access rights for different users

• Stopping deliberate or accidental misuse of data by authorised users

• Encrypting sensitive data

Select all the characteristics of data stored on a network that make it important in terms of network security...

• Mission critical - required for running the business or organisation

• Private and confidential - inappropriate for some people to see it

• Financially valuable - could be used for profit by others

• Volume - large amount of data needed to store

Select all the security disadvantages of Cloud data storage ...

• Reliance on 3rd party provider for all security

• Need to have reliable high-speed Internet connection to access data

• Assumption of trust placed in staff you have never met

• Data is available 24/7365

• Distributed nature of data storage means it is safe from localised problems such as fire or flooding

A type of network attack that tries to prevent legitimate users from accessing a service?

• Worm

• Denial of Service (DoS)

• Trojan

• Virus

Select all the valid non-physical means of securing a network ...

• Locking the server room door

• Backing up file server data regularly

• Authenticating username & password

• Setting access control rights for users

• Installing and customizing firewall

Which of these are physical security measures?

• Locking server room door

• Turning monitor screen away from window

• Locking monitor screen

• Fingerprint scanner to unlock device

• Two-step authentication using mobile phone

What is the BEST word to complete this sentence?

Hacking is the attempt to gain _______________ access to a computer system and the data is contains.

• unregulated

• unauthorised

• priviliged

• backdoor

Choose all the possible types of cyberattack ...

• 
• 
• 
• 

An attack on a computer system that exploits how people will behave and respond in certain situations is called ________ engineering.

• Software

• Auto

• Cyber

• Social