CompTIA CompTIA Security+ RC0-501 Questions & Answers

• Question 71:

  A security administrator has found a hash in the environment known to belong to malware. The administrator then finds this file to be in in the preupdate area of the OS, which indicates it was pushed from the central patch system.

  File: winx86_adobe_flash_upgrade.exe Hash: 99ac28bede43ab869b853ba62c4ea243

  The administrator pulls a report from the patch management system with the following output: Given the above outputs, which of the following MOST likely happened?

  

  A. The file was corrupted after it left the patch system.

  B. The file was infected when the patch manager downloaded it.

  C. The file was not approved in the application whitelist system.

  D. The file was embedded with a logic bomb to evade detection.

  Correct Answer: B

• Question 72:

  A systems administrator is attempting to recover from a catastrophic failure in the datacenter. To recover the domain controller, the systems administrator needs to provide the domain administrator credentials. Which of the following account types is the systems administrator using?

  A. Shared account

  B. Guest account

  C. Service account

  D. User account

  Correct Answer: C

• Question 73:

  An attacker compromises a public CA and issues unauthorized X.509 certificates for Company.com. In the future, Company.com wants to mitigate the impact of similar incidents. Which of the following would assist Company.com with its goal?

  A. Certificate pinning

  B. Certificate stapling

  C. Certificate chaining

  D. Certificate with extended validation

  Correct Answer: A

• Question 74:

  Ann, a security administrator, has been instructed to perform fuzz-based testing on the company's applications. Which of the following best describes what she will do?

  A. Enter random or invalid data into the application in an attempt to cause it to fault

  B. Work with the developers to eliminate horizontal privilege escalation opportunities

  C. Test the applications for the existence of built-in- back doors left by the developers

  D. Hash the application to verify it won't cause a false positive on the HIPS.

  Correct Answer: A

• Question 75:

  When performing data acquisition on a workstation, which of the following should be captured based on memory volatility? (Select two.)

  A. USB-attached hard disk

  B. Swap/pagefile

  C. Mounted network storage

  D. ROM

  E. RAM

  Correct Answer: BE

• Question 76:

  A user suspects someone has been accessing a home network without permission by spoofing the MAC address of an authorized system. While attempting to determine if an authorized user is logged into the home network, the user reviews the wireless router, which shows the following table for systems that are currently on the home network.

  

  Which of the following should be the NEXT step to determine if there is an unauthorized user on the network?

  A. Apply MAC filtering and see if the router drops any of the systems.

  B. Physically check each of the authorized systems to determine if they are logged onto the network.

  C. Deny the "unknown" host because the hostname is not known and MAC filtering is not applied to this host.

  D. Conduct a ping sweep of each of the authorized systems and see if an echo response is received.

  Correct Answer: C

• Question 77:

  An organization finds that most help desk calls are regarding account lockout due to a variety of applications running on different systems. Management is looking for a solution to reduce the number of account lockouts while improving security. Which of the following is the BEST solution for this organization?

  A. Create multiple application accounts for each user.

  B. Provide secure tokens.

  C. Implement SSO.

  D. Utilize role-based access control.

  Correct Answer: C

• Question 78:

  As part of a new industry regulation, companies are required to utilize secure, standardized OS settings. A technical must ensure the OS settings are hardened. Which of the following is the BEST way to do this?

  A. Use a vulnerability scanner.

  B. Use a configuration compliance scanner.

  C. Use a passive, in-line scanner.

  D. Use a protocol analyzer.

  Correct Answer: B

• Question 79:

  A user has attempted to access data at a higher classification level than the user's account is currently authorized to access. Which of the following access control models has been applied to this user's account?

  A. MAC

  B. DAC

  C. RBAC

  D. ABAC

  Correct Answer: C

• Question 80:

  A security consultant discovers that an organization is using the PCL protocol to print documents, utilizing the default driver and print settings. Which of the following is the MOST likely risk in this situation?

  A. An attacker can access and change the printer configuration.

  B. SNMP data leaving the printer will not be properly encrypted.

  C. An MITM attack can reveal sensitive information.

  D. An attacker can easily inject malicious code into the printer firmware.

  E. Attackers can use the PCL protocol to bypass the firewall of client computers.

  Correct Answer: B