From a free demo to downloadable practice files, browser-based testing, and checkout supported by McAfee security services, Actual4dump brings the key CAS-001 preparation tools together in one place. Candidates for CompTIA Advanced Security Practitioner can use the 495 practice questions to plan, test, and revisit their knowledge in 2026.

CompTIA CAS-001 Exam Overview:

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Common Questions About CompTIA Advanced Security Practitioner

CompTIA Advanced Security Practitioner Sample Questions:

Question 1

A system administrator is troubleshooting a possible denial of service on a sensitive system. The system seems to run properly for a few hours after it is restarted, but then it suddenly stops processing transactions. The system administrator suspects an internal DoS caused by a disgruntled developer who is currently seeking a new job while still working for the company. After looking into various system logs, the system administrator looks at the following output from the main system service responsible for processing incoming transactions.
DATE/TIMEPIDCOMMAND%CPUMEM
031020141030002055com.proc10.2920K
031020141100002055com.proc12.35.2M
031020141230002055com.proc22.022M
031020141300002055com.proc33.01.6G
031020141330002055com.proc30.28.0G
Which of the following is the MOST likely cause for the DoS?

A. The system does not implement input validation.
B. The system does not protect against buffer overflows properly.
C. The system is susceptible to integer overflow.
D. The system does not implement proper garbage collection.

Question 2

A company currently does not use any type of authentication or authorization service for
remote access. The new security policy states that all remote access must be locked down to only authorized personnel. The policy also dictates that only authorized external networks will be allowed to access certain internal resources.
Which of the following would MOST likely need to be implemented and configured on the company's perimeter network to comply with the new security policy? (Select TWO).

A. Proxy server
B. Layer 2 switch
C. WAP
D. Firewall
E. VPN concentrator

Question 3

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Company XYZ provides residential television cable service across a large region.
The company's board of directors is in the process of approving a deal with the following three companies:
A National landline telephone provider
A Regional wireless telephone provider
An international Internet service provider
The board of directors at Company XYZ wants to keep the companies and billing separated.
While the Chief Information Officer (CIO) at Company XYZ is concerned about the confidentiality of Company XYZ's customer data and wants to share only minimal information about its customers for the purpose of accounting, billing, and customer authentication.
The proposed solution must use open standards and must make it simple and seamless for Company XYZ's customers to receive all four services.
Which of the following solutions is BEST suited for this scenario?

A. Company XYZ must implement VPN and strict access control to allow the other three companies to access the internal LDAP.
B. Company XYZ needs to install the IdP, while the partner companies need to install the SP portion of a Federated identity solution.
C. All four companies must implement a TACACS+ web based single sign-on solution with associated captive portal technology.
D. Company XYZ needs to install the SP, while the partner companies need to install the WAYF portion of a Federated identity solution.

Question 4

An organization did not know its internal customer and financial databases were compromised until the attacker published sensitive portions of the database on several popular attacker websites. The organization was unable to determine when, how, or who conducted the attacks but rebuilt, restored, and updated the compromised database server to continue operations.
Which of the following is MOST likely the cause for the organization's inability to determine what really occurred?

A. Too few layers of protection between the Internet and internal network
B. Poor intrusion prevention system placement and maintenance
C. Lack of a defined security auditing methodology
D. Insufficient logging and mechanisms for review

Question 5

The Chief Executive Officer (CEO) of a corporation decided to move all email to a cloud computing environment. The Chief Information Security Officer (CISO) was told to research the risk involved in this environment.
Which of the following measures should be implemented to minimize the risk of hosting email in the cloud?

A. Ensure logins are over an encrypted channel and obtain an NDA and an SLA from the cloud provider.
B. Obtain an NDA from the cloud provider and remind users that all emails with sensitive information need be encrypted.
C. Remind users that all emails with sensitive information need be encrypted and physically inspect the cloud computing.
D. Ensure logins are over an encrypted channel and remind users to encrypt all emails that contain sensitive information.

Solutions: