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WorksheetsMidterm Examination 1 (Computer Network)
Total questions: 15
Worksheet time: 8mins
What is malware?
A. Software developed to steal data and damage computers
B. A type of computer hardware
D. A type of computer virus
C. A network security device
What is the main purpose of a virus?
A. To encrypt data
B. To replicate and spread itself digitally
C. To steal sensitive information
D. To block access to a computer system
How does a worm spread itself?
A. By attaching to a software program
B. By relying on security failures on the target computer
D. By impersonating trusted organizations
C. By encrypting data
What does a Trojan virus disguise itself as?
D. Security patches
B. Hardware components
C. Network protocols
A. Legitimate software
What is the main characteristic of spyware?
C. It contains advertisements
A. It is installed with user authorization
B. It encrypts data
D. It steals sensitive information without user knowledge
What does adware contain?
D. Network vulnerabilities
B. Embedded advertisements
A. Encryption keys
C. Malicious code
What is the main goal of ransomware?
A. To provide free software
B. To encrypt data and demand a ransom
C. To prevent malware attacks
D. To spread itself without human interaction
What is the main objective of phishing attacks?
B. To impersonate trusted organizations
A. To encrypt data
C. To restrict user access
D. To prevent network breaches
What is the purpose of a denial-of-service (DoS) attack?
D. To spread malware
B. To eavesdrop on conversations
A. To encrypt data
C. To render a computer unavailable to users
What does a man-in-the-middle (MITM) attack involve?
D. Replicating and spreading itself digitally
A. Encrypting data during transmission
B. Inserting an attacker in the middle of a conversation
C. Preventing unauthorized access
Where do insider threats originate from?
C. Within the targeted organization
B. Trusted organizations
D. Third-party vendors
A. External hackers
What is the main function of firewalls?
C. To replicate malware
D. To spread phishing attacks
B. To encrypt data
A. To monitor network traffic
What do Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) analyze?
C. Encrypted data
A. Network traffic patterns and behaviors
D. Software vulnerabilities
B. User login credentials
What does encryption protect sensitive data from?
C. Network segmentation
D. Data backup and recovery
B. Malware attacks
A. Unauthorized access
What is the purpose of access control mechanisms?
A. To restrict user privileges and permissions
B. To encrypt data
C. To spread malware
D. To impersonate trusted organizations
