3.1.16 - Evaluate the advantages and disadvantages of each method of network security.

Question 1

What are the advantages of using User IDs for network security?

Answer 1

User IDs allow for setting access rights for each user and creating user groups to manage rights in batches.

Question 2

What are the disadvantages of using User IDs for network security?

Answer 2

User IDs can be stolen, systems can be bypassed, and they do not protect against intercepting messages or insider attacks.

Question 3

What are the advantages of encryption security?

Answer 3

Encryption is very hard to break, and computers are fast enough to decrypt in real time.

Question 4

What are the disadvantages of encryption security?

Answer 4

Users may use easy-to-guess passwords, the password must be transmitted over the network, and some encryptions have built-in backdoors.

Question 5

What are the advantages of firewalls for network security?

Answer 5

Firewalls monitor and control network traffic, block unauthorised access, prevent malware, and can be configured to block or allow traffic based on various criteria.

Question 6

What are the disadvantages of firewalls for network security?

Answer 6

Firewalls can be expensive, may increase latency, and must be carefully configured and maintained to avoid blocking legitimate traffic.