Group 290_Exam 1_September 8th, 2022

What is this an image of?

• Star
• Bus
• WAN
• LAN

A person who illegally exploits computer hardware or software.U23

• Network administrator

• Hacker

• System analyzer

• Computer user

To protect a computer from virus, you should install -------- in your computer.(unit 23)

• antivirus

• disk cleanup

• System analyzer

• backup

Which one of the following is NOT a security threat?.(unit 23)

• antivirus

• Phishing

• Worm

• backup

Data must be unaltered during transit (being sent between people) and not changed by unauthorized people?.(unit 23)

• Integrity

• Confidentiality

• Availability

In order to restrict access to secure data, a system of _____ should be used??.(unit 23)

• Passwords

• Multi-user operating system

• Single-user operating system

• Single-user operating system

What does MAN stand for?

• Metropolitan Area Network

• Massive Arena Network

• Metro Area Network

• Massive Area Network

Which of the following shows the correct arrangemment of networks from the smallest to the largest network?

• LAN,MAN,WAN

• WAN,LAN,MAN

• LAN,WAN,MAN

• WAN,MAN,LAN

Which network covers a small geographical area?

• LAN

• WAN

• MAN

Two or more computers connected together over a wide geographical area (e.g. county, country, globe).  What type of network is this?

• LAN

• MAN

• WAN

• PAN