CompTIA CompTIA Security+ RC0-501 Questions & Answers

• Question 221:

  Which of the following types of attacks precedes the installation of a rootkit on a server?

  A. Pharming

  B. DDoS

  C. Privilege escalation

  D. DoS

  Correct Answer: C

• Question 222:

  Which of the following cryptographic algorithms is irreversible?

  A. RC4

  B. SHA-256

  C. DES

  D. AES

  Correct Answer: B

• Question 223:

  A security analyst receives an alert from a WAF with the following payload:

  var data= "" ++ <../../../../../../etc/passwd>" Which of the following types of attacks is this?

  A. Cross-site request forgery

  B. Buffer overflow

  C. SQL injection

  D. JavaScript data insertion

  E. Firewall evasion scipt

  Correct Answer: D

• Question 224:

  A security administrator is configuring a new network segment, which contains devices that will be accessed by external users, such as web and FTP server. Which of the following represents the MOST secure way to configure the new network segment?

  A. The segment should be placed on a separate VLAN, and the firewall rules should be configured to allow external traffic.

  B. The segment should be placed in the existing internal VLAN to allow internal traffic only.

  C. The segment should be placed on an intranet, and the firewall rules should be configured to allow external traffic.

  D. The segment should be placed on an extranet, and the firewall rules should be configured to allow both internal and external traffic.

  Correct Answer: A

• Question 225:

  To reduce disk consumption, an organization's legal department has recently approved a new policy setting the data retention period for sent email at six months. Which of the following is the BEST way to ensure this goal is met?

  A. Create a daily encrypted backup of the relevant emails.

  B. Configure the email server to delete the relevant emails.

  C. Migrate the relevant emails into an "Archived" folder.

  D. Implement automatic disk compression on email servers.

  Correct Answer: A

• Question 226:

  Joe, a user, wants to send Ann, another user, a confidential document electronically. Which of the following should Joe do to ensure the document is protected from eavesdropping?

  A. Encrypt it with Joe's private key

  B. Encrypt it with Joe's public key

  C. Encrypt it with Ann's private key

  D. Encrypt it with Ann's public key

  Correct Answer: D

• Question 227:

  A director of IR is reviewing a report regarding several recent breaches. The director compiles the following statistic's -Initial IR engagement time frame -Length of time before an executive management notice went out -Average IR phase completion The director wants to use the data to shorten the response time. Which of the following would accomplish this?

  A. CSIRT

  B. Containment phase

  C. Escalation notifications

  D. Tabletop exercise

  Correct Answer: D

• Question 228:

  An organization uses SSO authentication for employee access to network resources. When an employee resigns, as per the organization's security policy, the employee's access to all network resources is terminated immediately. Two weeks later, the former employee sends an email to the help desk for a password reset to access payroll information from the human resources server. Which of the following represents the BEST course of action?

  A. Approve the former employee's request, as a password reset would give the former employee access to only the human resources server.

  B. Deny the former employee's request, since the password reset request came from an external email address.

  C. Deny the former employee's request, as a password reset would give the employee access to all network resources.

  D. Approve the former employee's request, as there would not be a security issue with the former employee gaining access to network.

  Correct Answer: C

• Question 229:

  A Chief Executive Officer (CEO) suspects someone in the lab testing environment is stealing confidential information after working hours when no one else is around. Which of the following actions can help to prevent this specific threat?

  A. Implement time-of-day restrictions.

  B. Audit file access times.

  C. Secretly install a hidden surveillance camera.

  D. Require swipe-card access to enter the lab.

  Correct Answer: D

• Question 230:

  A company hires a third-party firm to conduct an assessment of vulnerabilities exposed to the Internet. The firm informs the company that an explogt exists for an FTP server that had a version installed from eight years ago. The company has decided to keep the system online anyway, as no upgrade exists form the vendor. Which of the following BEST describes the reason why the vulnerability exists?

  A. Default configuration

  B. End-of-life system

  C. Weak cipher suite

  D. Zero-day threats

  Correct Answer: B