Information Systems MCQs with Answers
Practice important Information Systems MCQs with answers and explanations.
Chapter: 32
Q561:
Which is NOT an example of a logical threat?
A. Payroll data access
B. Tapping communication lines
C. Unauthorized physical access
D. Data modification
Correct Answer:
C
Chapter: 32
Q562:
What type of malicious software replicates by attaching itself to other programs?
A. Worm
B. Virus
C. Trojan
D. Dropper
Correct Answer:
B
Chapter: 32
Q563:
Viruses typically attack which part of a computer?
A. Power supply
B. Data files
C. Keyboard
D. Processor
Correct Answer:
B
Chapter: 32
Q564:
Unlike a virus, a worm primarily spreads through ________.
A. physical devices
B. direct email
C. network connections
D. USB drives
Correct Answer:
C
Chapter: 32
Q565:
What term refers to an internal malfunction in software, often causing incorrect functioning?
A. Virus
B. Worm
C. Bug
D. Trojan
Correct Answer:
C
Chapter: 32
Q566:
Which type of virus affects the computer's start-up process?
A. Overwriting virus
B. Dropper
C. Boot sector virus
D. Trojan
Correct Answer:
C
Chapter: 32
Q567:
Which virus type overwrites every program it infects?
A. Dropper
B. Overwriting virus
C. Trojan horse
D. Time bomb
Correct Answer:
B
Chapter: 32
Q568:
Which type of malicious software installs a virus while performing another function?
A. Virus
B. Dropper
C. Trojan horse
D. Worm
Correct Answer:
B
Chapter: 32
Q569:
A ________ is disguised as legitimate software but is actually harmful when executed.
A. Worm
B. Trojan horse
C. Dropper
D. Virus
Correct Answer:
B
Chapter: 32
Q570:
The term "logic bomb" refers to ________.
A. an event-triggered Trojan
B. a timing function in software
C. a virus protection tool
D. a manual bug-fixing process
Correct Answer:
A
Chapter: 32
Q571:
Management procedural controls help prevent viruses by ________.
A. blocking physical access
B. creating regular backups
C. implementing antivirus policies
D. setting up a fire alarm
Correct Answer:
C
Chapter: 32
Q572:
Technical controls to prevent virus infection include ________.
A. using USB drives freely
B. allowing network access to all
C. using boot virus protection
D. blocking antivirus updates
Correct Answer:
C
Chapter: 32
Q573:
The function of antivirus software is to ________.
A. repair broken hardware
B. update the operating system
C. prevent unauthorized access
D. detect and remove viruses
Correct Answer:
D
Chapter: 32
Q574:
What is the purpose of a "back-up plan" as part of virus control?
A. Improve system performance
B. Recover from data loss
C. Enhance data processing
D. Secure network connections
Correct Answer:
B
Chapter: 32
Q575:
________ viruses are typically spread via email attachments and internet downloads.
A. Local
B. Executable
C. Internet-based
D. Remote
Correct Answer:
C
Chapter: 33
Q576:
What is the main purpose of antivirus software?
A. Scanning software
B. Preventing software crashes
C. Blocking ads
D. Protecting from viruses
Correct Answer:
D
Chapter: 33
Q577:
In antivirus software, what is a "signature"?
A. A unique bit pattern
B. A user's password
C. A random code
D. A program name
Correct Answer:
A
Chapter: 33
Q578:
What does an antivirus scanner do with bit patterns?
A. Ignores them
B. Matches against virus list
C. Encrypts them
D. Deletes them
Correct Answer:
B
Chapter: 33
Q579:
Which antivirus component monitors system activities in real-time?
A. Scanners
B. Active monitors
C. Behavior blockers
D. Firewalls
Correct Answer:
B
Chapter: 33
Q580:
What challenge do active monitors face?
A. Distinguishing requests
B. Speeding up processes
C. Stopping downloads
D. Blocking user logins
Correct Answer:
A