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The CIA triad in network security stands for:
a. Confidentiality, Integrity, Availability
b. Communication, Information, Authentication
c. Cybersecurity, Internet, Authorization
d. Confidentiality, Identity, Authorization
Answer: ageeksforgeeks+2
Which principle of the CIA triad focuses on protecting data from unauthorized access?
a. Integrity
b. Confidentiality
c. Availability
d. Authenticity
Answer: bsecurityscorecard+2
In the CIA triad, which principle ensures that information is accurate and unaltered?
a. Availability
b. Confidentiality
c. Integrity
d. Authentication
Answer: cdatasunrise+2
Which component of the CIA triad guarantees access to data when needed?
a. Availability
b. Integrity
c. Confidentiality
d. Non-repudiation
Answer: afortinet+2
What is the purpose of encryption in the context of the CIA triad?
a. To ensure confidentiality
b. To guarantee integrity
c. To provide availability
d. To enable authentication
Answer: ageeksforgeeks+2
Which of the following is a threat to data integrity?
a. Data encryption
b. Unauthorized data modification
c. Network redundancy
d. Data backup
Answer: bdatasunrise+2
Which approach helps maintain data availability in case of hardware failure?
a. Encryption
b. Access controls
c. Redundancy
d. Data validation
Answer: cfortinet+2
Who should have access to confidential network data according to the CIA triad?
a. Every employee
b. Authorized users only
c. Network administrators
d. External auditors
Answer: blearningnetwork.cisco+2
What is the effect of a denial-of-service (DoS) attack?
a. Loss of confidentiality
b. Reduced availability
c. Broken integrity
d. Improved authentication
Answer: bgeeksforgeeks+2
What is used to ensure the integrity of transmitted data in a network?
a. Digital signatures
b. Redundant servers
c. Encryption keys
d. User authentication
Answer: asecurityscorecard+2
In the CIA triad, if data is accessed by an unauthorized person, which principle is violated?
a. Availability
b. Confidentiality
c. Integrity
d. Non-repudiation
Answer: bdatasunrise+2
Data backup primarily preserves which principle of the CIA triad?
a. Confidentiality
b. Integrity
c. Availability
d. Authentication
Answer: cfortinet+2
What does multi-factor authentication mainly support in the CIA triad?
a. Confidentiality
b. Integrity
c. Availability
d. Non-repudiation
Answer: aplacementpreparation+2
Which of the following is LEAST likely to protect data confidentiality?
a. Access control lists
b. Firewall
c. Physical locks
d. Disabling network access
Answer: dsecurityscorecard+2
Which of the following best describes integrity in networking?
a. Encryption of data
b. Ensuring data is not altered without authorization
c. Preventing data leakage
d. Allowing data access anytime
Answer: bgeeksforgeeks+2
What mechanism can restore availability after a major outage?
a. Data classification
b. Disaster recovery plan
c. Digital signatures
d. Role-based access control
Answer: bdatasunrise+2
Confidential information should be protected with:
a. Strong encryption algorithms
b. Network segmentation
c. Availability planning
d. Redundant cabling
Answer: asecurityscorecard+2
Which process detects unauthorized changes to network files?
a. Hashing
b. Load balancing
c. Encryption
d. Backup scheduling
Answer: ageeksforgeeks+2
Taking regular system backups most closely supports which CIA principle?
a. Confidentiality
b. Integrity
c. Availability
d. Non-repudiation
Answer: cfortinet+2
In the CIA triad, which principle is maintained by locking server rooms?
a. Integrity
b. Confidentiality
c. Availability
d. Authentication
Answer: blearningnetwork.cisco+2
What does a firewall primarily protect in the CIA framework?
a. Confidentiality
b. Integrity
c. Availability
d. Non-repudiation
Answer: adatasunrise+2
What method detects unauthorized alteration to transmitted data?
a. MAC (Message Authentication Code)
b. Backup tapes
c. RAID arrays
d. User permissions
Answer: asecurityscorecard+2
Which of these is a risk to availability in networking?
a. Natural disasters
b. Data encryption
c. Password strength
d. Encryption keys
Answer: afortinet+2
Which factor supports both integrity and confidentiality?
a. Hashing and encryption
b. Backup scheduling
c. Physical locks
d. Multi-factor authentication
Answer: ageeksforgeeks+2
Which action is a violation of confidentiality?
a. Data tampering
b. Data deletion
c. Eavesdropping on traffic
d. Network redundancy
Answer: cdatasunrise+2
Which of the following protects network availability from cyberattacks?
a. Anti-malware software
b. Data classification
c. Password policies
d. User training
Answer: asecurityscorecard+2
What is the primary goal of audit logs in networking?
a. Track data access for integrity and availability
b. Encrypt sensitive information
c. Provide backup copies
d. Enable multi-factor authentication
Answer: afortinet+2
What best defines the CIA triad in cybersecurity?
a. Controlling access, ensuring accuracy, enabling data access for authorized users
b. Encrypting all data at rest
c. Maintaining always-on network connections
d. Enforcing complex passwords
Answer: ageeksforgeeks+2
Which network device enhances confidentiality and availability simultaneously?
a. VPN (Virtual Private Network)
b. Proxy server
c. Switch
d. Wireless access point
Answer: adatasunrise+2
Redundant power supplies in servers are mainly used to support:
a. Confidentiality
b. Integrity
c. Availability
d. Authentication
Answer: cfortinet+2
What security action best maintains data integrity?
a. Using digital certificates
b. Implementing encryption
c. Applying data validation checks
d. Disabling user accounts
Answer: csecurityscorecard+2
The process of restricting network access through permissions supports:
a. Confidentiality
b. Integrity
c. Availability
d. Non-repudiation
Answer: aplacementpreparation+2
Which threat affects the integrity component of the CIA triad?
a. Data tampering by hackers
b. Power failure
c. User password guessing
d. Unauthorized device connections
Answer: ageeksforgeeks+2
What term describes ensuring accurate transmission of data packets?
a. Data integrity
b. Data confidentiality
c. Data authentication
d. Data availability
Answer: adatasunrise+2
Which method supports all three CIA triad elements?
a. Role-based access control combined with backup and encryption
b. Multi-factor authentication only
c. Installing antivirus software
d. Physical security measures
Answer: asecurityscorecard+2
What attack is specifically a threat to availability?
a. Distributed denial-of-service (DDoS) attack
b. Phishing attack
c. Password brute-force attack
d. Shoulder surfing
Answer: afortinet+2
Which is NOT a core principle of the CIA triad?
a. Confidentiality
b. Availability
c. Authenticity
d. Integrity
Answer: csanfoundry+2
Which of the following helps verify data integrity in a network?
a. Checksums
b. Password encryption
c. Network segmentation
d. Redundant servers
Answer: ageeksforgeeks+2
Data classification in networking is primarily used to support:
a. Confidentiality and integrity
b. Confidentiality and availability
c. Integrity and authentication
d. Availability and encryption
Answer: adatasunrise+2
Which is a common method to ensure availability of network applications?
a. Load balancing
b. Intrusion detection
c. Network sniffing
d. Packet filtering
Answer: afortinet+2
If a backup system fails, which CIA principle is compromised?
a. Availability
b. Integrity
c. Confidentiality
d. Authentication
Answer: asecurityscorecard+2
When data is overwritten or deleted by accident, which CIA principle is affected?
a. Availability
b. Confidentiality
c. Integrity
d. Non-repudiation
Answer: cgeeksforgeeks+2
Which CIA principle do strong password policies mainly serve?
a. Confidentiality
b. Availability
c. Integrity
d. Authentication
Answer: adatasunrise+2
Which is NOT an example of ensuring confidentiality?
a. Data encryption
b. Data hashing
c. Strong passwords
d. Access control lists
Answer: bsecurityscorecard+2
Which of the CIA principles is most at risk during a network outage?
a. Confidentiality
b. Integrity
c. Availability
d. Non-repudiation
Answer: cfortinet+2
Which CIA principle is supported by digital signatures?
a. Integrity
b. Confidentiality
c. Availability
d. Authentication
Answer: ageeksforgeeks+2
The concept of “least privilege” primarily supports which CIA principle?
a. Confidentiality
b. Availability
c. Non-repudiation
d. Integrity
Answer: adatasunrise+2
Ensuring that network logs cannot be tampered with supports:
a. Integrity
b. Confidentiality
c. Availability
d. Non-repudiation
Answer: afortinet+2
Data stored in encrypted form mainly preserves:
a. Confidentiality
b. Integrity
c. Availability
d. Authentication
Answer: asecurityscorecard+2
Which threat simultaneously affects confidentiality, integrity, and availability?
a. Malware infection
b. Data encryption
c. Network redundancy
d. Hashing algorithms
Answer: ageeksforgeeks+2

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