1.4 Network Security

Question 1

What is SQL?

Answer 1

Code to manipulate databases

SELECT
WHERE
FROM

Question 2

What vulnerabilities can hackers exploit?

Answer 2

Unpatched software
Out of date anti-malware

Question 3

What is encryption?

Answer 3

Secures data
Requires encryption key

Question 4

What is firewall?

Answer 4

Inspects packets and drops suspicious

Question 5

What are the functions of the operating system?

Answer 5

File management
Memory management
Multi tasking
User management
User interface

Question 6

What is memory management?

Answer 6

Secondary storage copied to RAM for CPU to access
Allocated spaces

Question 7

What is file management?

Answer 7

Name files
Move files
Save files

Question 8

Describe the types of interface :

Answer 8

Command Line Interface - text based input
Menu Interface - choice input
Graphics User Interface - windows, icons, menu + pointer

Question 9

What are the forms of utility software?

Answer 9

Defragmentation
Data Compression
Disk clean up
Anti-virus
Encryption