CCST - Cisco Certified Support Technician Essential Security Principles (CIA) Questions and Answers 1

Question 1

An accountant discovers that a financial report file has been modified, and the totals no longer match the source data. A checksum analysis confirms the file has changed since it was last saved. Which core security principle has been violated?

Accepted Answer

Integrity

Answer

Integrity is the principle that ensures data has not been altered or tampered with in an unauthorized manner. The checksum mismatch is a direct indication that the file's integrity has been compromised.

Question 2

Which of the following security controls is primarily used to enforce the principle of confidentiality?

Accepted Answer

AES encryption

Answer

AES (Advanced Encryption Standard) is a method of encrypting data, making it unreadable to unauthorized individuals. This directly supports confidentiality by preventing the unauthorized disclosure of information.

Question 3

A company's primary web server goes offline due to a hardware failure. However, an automated system immediately redirects all incoming traffic to a secondary, identical server with no noticeable interruption to users. This setup is a direct implementation of which security principle?

Accepted Answer

Availability

Answer

Availability ensures that systems and data are accessible to authorized users when needed. Using a redundant or failover server is a key strategy for maintaining high availability.

Question 4

Which of the following is the BEST example of a mechanism used to ensure data integrity?

Accepted Answer

Generating an MD5 hash of a file

Answer

An MD5 hash creates a unique digital fingerprint of a file. By comparing the hash of a file at two different times, one can verify if any changes have been made, thus ensuring the file's integrity.

Question 5

A support technician is instructed to securely dispose of old hard drives containing customer data. The company policy requires the use of a degausser before physical destruction. This policy is primarily in place to protect which security principle?

Accepted Answer

Confidentiality

Answer

Degaussing magnetically erases the data on the hard drives, making it unrecoverable. This prevents unauthorized individuals from accessing the sensitive customer data, thereby upholding the principle of confidentiality.

(CCST) Cisco Certified Support Technician Practice Test

(CCST) Cisco Certified Support Technician Practice Test

CCST - Cisco Certified Support Technician Essential Security Principles (CIA) Questions and Answers 1