CompTIA CompTIA Security+ RC0-501 Questions & Answers

• Question 51:

  Which of the following attack types BEST describes a client-side attack that is used to manipulate an HTML iframe with JavaScript code via a web browser?

  A. Buffer overflow

  B. MITM

  C. XSS

  D. SQLi

  Correct Answer: C

• Question 52:

  An incident responder receives a call from a user who reports a computer is exhibiting symptoms consistent with a malware infection. Which of the following steps should the responder perform NEXT?

  A. Capture and document necessary information to assist in the response.

  B. Request the user capture and provide a screenshot or recording of the symptoms.

  C. Use a remote desktop client to collect and analyze the malware in real time.

  D. Ask the user to back up files for later recovery.

  Correct Answer: A

• Question 53:

  Two users need to send each other emails over unsecured channels. The system should support the principle of non-repudiation. Which of the following should be used to sign the user's certificates?

  A. RA

  B. CA

  C. CRL

  D. CSR

  Correct Answer: B

• Question 54:

  A security analyst is hardening an authentication server. One of the primary requirements is to ensure there is mutual authentication and delegation. Given these requirements, which of the following technologies should the analyst recommend and configure?

  A. LDAP services

  B. Kerberos services

  C. NTLM services

  D. CHAP services

  Correct Answer: B

  Only Kerberos that can do Mutual Auth and Delegation. https://docs.microsoft.com/en-us/windows-server/security/kerberos/kerberos-authenticationoverview

• Question 55:

  Which of the following cryptographic attacks would salting of passwords render ineffective?

  A. Brute force

  B. Dictionary

  C. Rainbow tables

  D. Birthday

  Correct Answer: C

• Question 56:

  An administrator is replacing a wireless router. The configuration of the old wireless router was not documented before it stopped functioning. The equipment connecting to the wireless network uses older legacy equipment that was manufactured prior to the release of the 802.11i standard. Which of the following configuration options should the administrator select for the new wireless router?

  A. WPA+CCMP

  B. WPA2+CCMP

  C. WPA+TKIP

  D. WPA2+TKIP

  Correct Answer: D

• Question 57:

  An application team is performing a load-balancing test for a critical application during off-hours and has requested access to the load balancer to review which servers are up without having the administrator on call. The security analyst is hesitant to give the application team full access due to other critical applications running on the load balancer. Which of the following is the BEST solution for security analyst to process the request?

  A. Give the application team administrator access during off-hours.

  B. Disable other critical applications before granting the team access.

  C. Give the application team read-only access.

  D. Share the account with the application team.

  Correct Answer: C

• Question 58:

  A user clicked an email link that led to a website than infected the workstation with a virus. The virus encrypted all the network shares to which the user had access. The virus was not deleted or blocked by the company's email filter, website filter, or antivirus. Which of the following describes what occurred?

  A. The user's account was over-privileged.

  B. Improper error handling triggered a false negative in all three controls.

  C. The email originated from a private email server with no malware protection.

  D. The virus was a zero-day attack.

  Correct Answer: A

• Question 59:

  An organization wishes to provide better security for its name resolution services. Which of the following technologies BEST supports the deployment of DNSSEC at the organization?

  A. LDAP

  B. TPM

  C. TLS

  D. SSL

  E. PKI

  Correct Answer: E

• Question 60:

  A company hires a consulting firm to crawl its Active Directory network with a non-domain account looking for unpatched systems. Actively taking control of systems is out of scope, as is the creation of new administrator accounts. For which of the following is the company hiring the consulting firm?

  A. Vulnerability scanning

  B. Penetration testing

  C. Application fuzzing

  D. User permission auditing

  Correct Answer: A