NETWORK DEFENSE EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION|GRADED A+ STUDY GUIDE

NETWORK DEFENSE EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION|GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY

1. Network defense is the practice of:

A. Building websites
B. Protecting networks from threats
C. Designing hardware
D. Managing payroll
Answer: B
Rationale: Network defense focuses on protecting network infrastructure.



2. The main goal of network defense is to:

A. Increase bandwidth
B. Prevent unauthorized access and attacks
C. Improve CPU speed
D. Reduce storage usage
Answer: B
Rationale: It ensures network security and integrity.



3. A firewall is used to:

A. Filter network traffic
B. Store files
C. Increase RAM
D. Encrypt hardware
Answer: A
Rationale: Controls incoming and outgoing traffic.



4. Intrusion Detection System (IDS) is used to:

,A. Detect suspicious activity
B. Block all traffic
C. Increase speed
D. Manage users
Answer: A
Rationale: Monitors and detects threats.



5. Intrusion Prevention System (IPS) can:

A. Detect and block attacks
B. Only store logs
C. Increase storage
D. Manage databases
Answer: A
Rationale: Actively prevents threats.



6. The CIA triad includes:

A. Confidentiality, Integrity, Availability
B. Control, Internet, Access
C. Cyber, Intelligence, Attack
D. Code, Install, Analyze
Answer: A
Rationale: Core security principles.



7. Confidentiality ensures:

A. Data is only accessed by authorized users
B. Data is deleted
C. Systems are offline
D. Networks are faster
Answer: A
Rationale: Prevents unauthorized access.



8. Integrity ensures:

, A. Data is not altered
B. Data is deleted
C. Data is encrypted only
D. Data is hidden
Answer: A
Rationale: Maintains data accuracy.



9. Availability ensures:

A. Systems are accessible when needed
B. Data is deleted
C. Systems are offline
D. Users are blocked
Answer: A
Rationale: Ensures uptime and access.



10. A DDoS attack is used to:

A. Overwhelm a system with traffic
B. Encrypt files
C. Store data
D. Update software
Answer: A
Rationale: Disrupts services.



11. Malware refers to:

A. Malicious software
B. Hardware devices
C. Network cables
D. Operating systems
Answer: A
Rationale: Harmful software programs.



12. A worm is a type of malware that: