CompTIA Security+ 2021 v1.0 (SY0-601)

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Total 854 questions

Data exfiltration analysis indicates that an attacker managed to download system configuration notes from a web server. The web-server logs have been deleted, but analysts have determined that the system configuration notes were stored in the database administrator's folder on the web server. Which of the following attacks explains what occurred? (Choose two.)

  • A. Pass-the-hash
  • B. Directory traversal
  • C. SQL injection
  • D. Privilege escalation
  • E. Cross-site scripting
  • F. Request forgery


Answer : BD

A junior security analyst is conducting an analysis after passwords were changed on multiple accounts without users' interaction. The SIEM have multiple login entries with the following text: suspicious event - user: scheduledtasks successfully authenticate on AD on abnormal time suspicious event - user: scheduledtasks failed to execute c:\weekly_checkups\amazing-3rdparty-domain-assessment.py suspicious event - user: scheduledtasks failed to execute c:\weekly_checkups\secureyourAD-3rdparty-compliance.sh suspicious event - user: scheduledtasks successfully executed c:\weekly_checkups\amazing-3rdparty-domain-assessment.py
Which of the following is the MOST likely attack conducted on the environment?

  • A. Malicious script
  • B. Privilege escalation
  • C. Domain hijacking
  • D. DNS poisoning


Answer : A

A customer service representative reported an unusual text message that was sent to the help desk. The message contained an unrecognized invoice number with a large balance due and a link to click for more details. Which of the following BEST describes this technique?

  • A. Vishing
  • B. Whaling
  • C. Phishing
  • D. Smishing


Answer : D

Which of the following actions would be recommended to improve an incident response process?

  • A. Train the team to identify the difference between events and incidents.
  • B. Modify access so the IT team has full access to the compromised assets.
  • C. Contact the authorities if a cybercrime is suspected.
  • D. Restrict communication surrounding the response to the IT team.


Answer : A

A cybersecurity administrator needs to implement a Layer 7 security control on a network and block potential attacks. Which of the following can block an attack at
Layer 7? (Choose two.)

  • A. HIDS
  • B. NIPS
  • C. HSM
  • D. WAF
  • E. NAC
  • F. NIDS


Answer : BD

A business operations manager is concerned that a PC that is critical to business operations will have a costly hardware failure soon. The manager is looking for options to continue business operations without incurring large costs. Which of the following would mitigate the manager's concerns?

  • A. Implement a full system upgrade.
  • B. Perform a physical-to-virtual migration.
  • C. Install uninterruptible power supplies.
  • D. Purchase cybersecurity insurance.


Answer : B

An organization has activated an incident response plan due to a malware outbreak on its network. The organization has brought in a forensics team that has identified an internet-facing Windows server as the likely point of initial compromise. The malware family that was detected is known to be distributed by manually logging on to servers and running the malicious code. Which of the following actions would be BEST to prevent reinfection from the infection vector?

  • A. Prevent connections over TFTP from the internal network.
  • B. Create a firewall rule that blocks a 22 from the internet to the server.
  • C. Disable file sharing over port 445 to the server.
  • D. Block port 3389 inbound from untrusted networks.


Answer : C

Which of the following uses SAML for authentication?

  • A. TOTP
  • B. Federation
  • C. Kerberos
  • D. HOTP


Answer : B

The SOC for a large MSSP is meeting to discuss the lessons learned from a recent incident that took much too long to resolve. This type of incident has become more common in recent weeks and is consuming large amounts of the analysts' time due to manual tasks being performed. Which of the following solutions should the SOC consider to BEST improve its response time?

  • A. Configure a NIDS appliance using a Switched Port Analyzer.
  • B. Collect OSINT and catalog the artifacts in a central repository.
  • C. Implement a SOAR with customizable playbooks.
  • D. Install a SIEM with community-driven threat intelligence.


Answer : C

Business partners are working on a security mechanism to validate transactions securely. The requirement is for one company to be responsible for deploying a trusted solution that will register and issue artifacts used to sign, encrypt, and decrypt transaction files. Which of the following is the BEST solution to adopt?

  • A. PKI
  • B. Blockchain
  • C. SAML
  • D. OAuth


Answer : A

A security analyst has been asked by the Chief Information Security Officer to:
✑ develop a secure method of providing centralized management of infrastructure
✑ reduce the need to constantly replace aging end user machines
✑ provide a consistent user desktop experience
Which of the following BEST meets these requirements?

  • A. BYOD
  • B. Mobile device management
  • C. VDI
  • D. Containerization


Answer : C

Which of the following terms describes a broad range of information that is sensitive to a specific organization?

  • A. Public
  • B. Top secret
  • C. Proprietary
  • D. Open-source


Answer : C

A Chief Security Officer (CSO) is concerned that cloud-based services are not adequately protected from advanced threats and malware. The CSO believes there is a high risk that a data breach could occur in the near future due to the lack of detective and preventive controls. Which of the following should be implemented to BEST address the CSO's concerns? (Choose two.)

  • A. A WAF
  • B. A CASB
  • C. An NG-SWG
  • D. Segmentation
  • E. Encryption
  • F. Containerization


Answer : CD

An organization is planning to roll out a new mobile device policy and issue each employee a new laptop. These laptops would access the users' corporate operating system remotely and allow them to use the laptops for purposes outside of their job roles. Which of the following deployment models is being utilized?

  • A. MDM and application management
  • B. BYOD and containers
  • C. COPE and VDI
  • D. CYOD and VMs


Answer : B

Certain users are reporting their accounts are being used to send unauthorized emails and conduct suspicious activities. After further investigation, a security analyst notices the following:
✑ All users share workstations throughout the day.
✑ Endpoint protection was disabled on several workstations throughout the network.
✑ Travel times on logins from the affected users are impossible.
✑ Sensitive data is being uploaded to external sites.
All user account passwords were forced to be reset and the issue continued.

Which of the following attacks is being used to compromise the user accounts?

  • A. Brute-force
  • B. Keylogger
  • C. Dictionary
  • D. Rainbow


Answer : B

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Total 854 questions