System Administration and Maintenance Chapter 2&3

Which of the following is the most important software that runs on a computer?

• Application software

• Operating system

• Device drivers

• Middleware

In a human-computer system, which component is most likely to cause problems?

• Host computers

• Humans

• Network hardware

• Routers

Which device directs traffic around the internet at the IP address level?

• Switch

• Router

• Hub

• Modem

Which of the following is NOT considered a network hardware component?

• Routers

• Switches

• Cables

• Compilers

Computers in common use are based on which architecture?

• Harvard Architecture

• Eckert Mauchly Von Neumann Architecture

• RISC Architecture

• CISC Architecture

When handling RAM, which factor must be considered first?

• Color of chips

• Data rate and compatibility

• Shape of connectors

• CPU speed

Excessive cold in computer systems may cause:

• Faster performance

• Unpredictable changes in chip properties

• Permanent data storage

• Longer battery life

Which OS type allows multiple users to share resources of a single host?

• Real-time OS

• Multi-user OS

• Embedded OS

• Single-tasking OS

Malware is short for:

• Malfunctioning hardware

• Malicious software

• Machine learning software

• Multi-access runtime environment

Which of the following is an authentication method based on physical traits?

• Username and password

• Biometric signatures

• Security keys

• One-time passwords