Comptia Exam 101-150 Flashcards

(50 cards)

1
Q

A DBA reports that several production server hard drives were wiped over the weekend. The DBA also reports that several Linux servers were unavailable due to system files being deleted unexpectedly. A security analyst verified that software was configured to delete data deliberately from those servers. No backdoors to any servers were found. Which of the following attacks was MOST likely used to cause the data loss?
A. Logic bomb
B. Ransomware
C. Fileless virus
D. Remote access Trojans
E. Rootkit

A

A. Logic bomb

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2
Q

Digital signatures use asymmetric encryption. This means the message is encrypted with:

A. the sender’s private key and decrypted with the sender’s public key.
B. the sender’s public key and decrypted with the sender’s private key.
C. the sender’s private key and decrypted with the recipient’s public key.
D. the sender’s public key and decrypted with the recipient’s private key.

A

A. the sender’s private key and decrypted with the sender’s public key.

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3
Q

A security engineer was assigned to implement a solution to prevent attackers from gaining access by pretending to be authorized users. Which of the following technologies meets the requirement?
A. SSO
B. IDS
C. MFA
D. TPM

A

C. MFA

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4
Q

The Chief Information Security Officer (CISO) has requested that a third-party vendor provide supporting documents that show proper controls are in place to protect customer data. Which of the following would be BEST for the third-party vendor to provide to the CISO?
A. GDPR compliance attestation
B. Cloud Security Alliance materials
C. SOC 2 Type 2 report
D. NIST RMF workbooks

A

C. SOC 2 Type 2 report

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5
Q

Which of the following is assured when a user signs an email using a private key?
A. Non-repudiation
B. Confidentiality
C. Availability
D. Authentication

A

A. Non-repudiation

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6
Q

A systems administrator is troubleshooting a server’s connection to an internal web server. The administrator needs to determine the correct ports to use. Which of the following tools BEST shows which ports on the web server are in a listening state?
A. ipconfig
B. ssh
C. ping
D. netstat

A

D. netstat

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7
Q

Which of the following BEST reduces the security risks introduced when running systems that have expired vendor support and lack an immediate replacement?
A. Implement proper network access restrictions.
B. Initiate a bug bounty program.
C. Classify the system as shadow IT.
D. Increase the frequency of vulnerability scans.

A

A. Implement proper network access restrictions.

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8
Q

Due to unexpected circumstances, an IT company must vacate its main office, forcing all operations to alternate, off-site locations. Which of the following will the company MOST likely reference for guidance during this change?
A. The business continuity plan
B. The retention policy
C. The disaster recovery plan
D. The incident response plan

A

A. The business continuity plan

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9
Q

While reviewing an alert that shows a malicious request on one web application, a cybersecurity analyst is alerted to a subsequent token reuse moments later on a different service using the same single sign-on method. Which of the following would BEST detect a malicious actor?
A. Utilizing SIEM correlation engines
B. Deploying Netflow at the network border
C. Disabling session tokens for all sites
D. Deploying a WAF for the web server

A

D. Deploying a WAF for the web server

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10
Q

Two organizations plan to collaborate on the evaluation of new SIEM solutions for their respective companies. A combined effort from both organizations’ SOC teams would speed up the effort. Which of the following can be written to document this agreement?
A. MOU
B. ISA
C. SLA
D. NDA

A

A. MOU

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11
Q

The Chief Information Security Officer wants to prevent exfiltration of sensitive information from employee cell phones when using public USB power charging stations. Which of the following would be the BEST solution to implement?
A. DLP
B. USB data blocker
C. USB OTG
D. Disabling USB ports

A

B. USB data blocker

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12
Q

The board of directors at a company contracted with an insurance firm to limit the organization’s liability. Which of the following risk management practices does this BEST describe?

A. Transference
B. Avoidance
C. Mitigation
D. Acknowledgement

A

A. Transference

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13
Q

Which of the following is a risk that is specifically associated with hosting applications in the public cloud?

A. Unsecured root accounts
B. Zero-day
C. Shared tenancy
D. Insider threat

A

C. Shared tenancy

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14
Q

DDoS attacks are causing an overload on the cluster of cloud servers. A security architect is researching alternatives to make the cloud environment respond to load fluctuation in a cost-effective way. Which of the following options BEST fulfills the architect’s requirements?
A. An orchestration solution that can adjust scalability of cloud assets
B. Use of multipath by adding more connections to cloud storage
C. Cloud assets replicated on geographically distributed regions
D. An on-site backup that is displayed and only used when the load increases

A

D. An on-site backup that is displayed and only used when the load increases

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15
Q

Which of the following documents provides expectations at a technical level for quality, availability, and responsibilities?
A. EOL
B. SLA
C. MOU
D. EOSL

A

B. SLA

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16
Q

Which of the following is an example of transference of risk?
A. Purchasing insurance
B. Patching vulnerable servers
C. Retiring outdated applications
D. Application owner risk sign-off

A

A. Purchasing insurance

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17
Q

An employee received a word processing file that was delivered as an email attachment. The subject line and email content enticed the employee to open the attachment. Which of the following attack vectors BEST matches this malware?

A. Embedded Python code
B. Macro-enabled file
C. Bash scripting
D. Credential-harvesting website

A

B. Macro-enabled file

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18
Q

A security proposal was set up to track requests for remote access by creating a baseline of the users’ common sign-in properties. When a baseline deviation is detected, an MFA challenge will be triggered. Which of the following should be configured in order to deploy the proposal?
A. Context-aware authentication
B. Simultaneous authentication of equals
C. Extensive authentication protocol
D. Agentless network access control

A

A. Context-aware authentication

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19
Q

Which of the following secure coding techniques makes compromised code more difficult for hackers to use?
A. Obfuscation
B. Normalization
C. Execution
D. Reuse

A

A. Obfuscation

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20
Q

As part of a security compliance assessment, an auditor performs automated vulnerability scans. In addition, which of the following should the auditor do to complete the assessment?
A. User behavior analysis
B. Packet captures
C. Configuration reviews
D. Log analysis

A

A. User behavior analysis

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21
Q

A database administrator wants to grant access to an application that will be reading and writing data to a database. The database is shared by other applications also used by the finance department. Which of the following account types is MOST appropriate for this purpose?
A. Service
B. Shared
C. Generic
D. Admin

22
Q

A security analyst generated a file named host1.pcap and shared it with a team member who is going to use it for further incident analysis. Which of the following tools will the other team member MOST likely use to open this file?
A. Autopsy
B. Memdump
C. FTK imager
D. Wireshark

23
Q

An application developer accidentally uploaded a company’s code-signing certificate private key to a public web server. The company is concerned about malicious use of its certificate. Which of the following should the company do FIRST?
A. Delete the private key from the repository.
B. Verify the public key is not exposed as well.
C. Update the DLP solution to check for private keys.
D. Revoke the code-signing certificate.

A

D. Revoke the code-signing certificate.

24
Q

An organization implemented a process that compares the settings currently configured on systems against secure configuration guidelines in order to identify any gaps. Which of the following control types has the organization implemented?
A. Compensating
B. Corrective
C. Preventive
D. Detective

25
The Chief Information Security Officer directed a risk reduction in shadow IT and created a policy requiring all unsanctioned high-risk SaaS applications to be blocked from user access. Which of the following is the BEST security solution to reduce this risk? A. CASB B. VPN concentrator C. MFA D. VPC endpoint
A. CASB
26
A technician enables full disk encryption on a laptop that will be taken on a business trip. Which of the following does this process BEST protect? A. Data in transit B. Data in processing C. Data at rest D. Data tokenization
C. Data at rest
27
A security analyst was called to investigate a file received directly from a hardware manufacturer. The analyst is trying to determine whether the file was modified in transit before installation on the user's computer. Which of the following can be used to safely assess the file? A. Check the hash of the installation file. B. Match the file names. C. Verify the URL download location. D. Verify the code signing certificate.
A. Check the hash of the installation file.
28
A help desk technician receives a phone call from someone claiming to be a part of the organization's cybersecurity incident response team. The caller asks the technician to verify the network's internal firewall IP Address. Which of the following is the technician's BEST course of action? A. Direct the caller to stop by the help desk in person and hang up declining any further requests from the caller. B. Ask for the caller's name, verify the person's identity in the email directory, and provide the requested information over the phone. C. Write down the phone number of the caller if possible, the name of the person requesting the information, hang up, and notify the organization's cybersecurity officer. D. Request the caller send an email for identity verification and provide the requested information via email to the caller.
D. Request the caller send an email for identity verification and provide the requested information via email to the caller.
29
Which of the following would BEST provide detective and corrective controls for thermal regulation? A. A smoke detector B. A fire alarm C. An HVAC system D. A fire suppression system E. Guards
E. Guards
30
Which of the following is a benefit of including a risk management framework into an organization's security approach? A. It defines expected service levels from participating supply chain partners to ensure system outages are remediated in a timely manner. B. It identifies specific vendor products that have been tested and approved for use in a secure environment. C. It provides legal assurances and remedies in the event a data breach occurs. D. It incorporates control, development, policy, and management activities into IT operations.
D. It incorporates control, development, policy, and management activities into IT operations.
31
An organization maintains several environments in which patches are developed and tested before being deployed to an operational status. Which of the following is the environment in which patches will be deployed just prior to being put into an operational status? A. Development B. Test C. Production D. Staging
B. Test
32
During a trial, a judge determined evidence gathered from a hard drive was not admissible. Which of the following BEST explains this reasoning? A. The forensic investigator forgot to run a checksum on the disk image after creation. B. The chain of custody form did not note time zone offsets between transportation regions. C. The computer was turned off, and a RAM image could not be taken at the same time. D. The hard drive was not properly kept in an antistatic bag when it was moved.
B. The chain of custody form did not note time zone offsets between transportation regions.
33
An organization wants to implement a biometric system with the highest likelihood that an unauthorized user will be denied access. Which of the following should the organization use to compare biometric solutions? A. FRR B. Difficulty of use C. Cost D. FAR E. CER
E. CER
34
A company recently experienced a significant data loss when proprietary information was leaked to a competitor. The company took special precautions by using proper labels; however, email filter logs do not have any record of the incident. An investigation confirmed the corporate network was not breached, but documents were downloaded from an employee's COPE tablet and passed to the competitor via cloud storage. Which of the following is the BEST remediation for this data leak? A. User training B. CASB C. MDM D. DLP
A. User training
35
An attacker was eavesdropping on a user who was shopping online. The attacker was able to spoof the IP address associated with the shopping site. Later, the user received an email regarding the credit card statement with unusual purchases. Which of the following attacks took place? A. On-path attack B. Protocol poisoning C. Domain hijacking D. Bluejacking
A. On-path attack
36
A company is considering transitioning to the cloud. The company employs individuals from various locations around the world. The company does not want to increase its on premises infrastructure blueprint and only wants to pay for additional compute power required. Which of the following solutions would BEST meet the needs of the company? A. Private cloud B. Hybrid environment C. Managed security service provider D. Hot backup site
B. Hybrid environment
37
After multiple on premises security solutions were migrated to the cloud, the incident response time increased. The analysts are spending a long time trying to trace information on different cloud consoles and correlating data in different formats. Which of the following can be used to optimize the incident response time? A. CASB B. VPC C. SWG D. CMS
C. SWG
38
Which of the following control types would be BEST to use in an accounting department to reduce losses from fraudulent transactions? A. Recovery B. Deterrent C. Corrective D. Detective
D. Detective
39
A company is receiving emails with links to phishing sites that look very similar to the company's own website address and content. Which of the following is the BEST way for the company to mitigate this attack? A. Create a honeynet to trap attackers who access the VPN with credentials obtained by phishing. B. Generate a list of domains similar to the company's own and implement a DNS sinkhole for each. C. Disable POP and IMAP on all Internet-facing email servers and implement SMTPS. D. Use an automated tool to flood the phishing websites with fake usernames and passwords.
B. Generate a list of domains similar to the company's own and implement a DNS sinkhole for each.
40
A SOC operator is receiving continuous alerts from multiple Linux systems indicating that unsuccessful SSH attempts to a functional user ID have been attempted on each one of them in a short period of time. Which of the following BEST explains this behavior? A. Rainbow table attack B. Password spraying C. Logic bomb D. Malware bot
A. Rainbow table attack
41
A tax organization is working on a solution to validate the online submission of documents. The solution should be carried on a portable USB device that should be inserted on any computer that is transmitting a transaction securely. Which of the following is the BEST certificate for these requirements? A. User certificate B. Self-signed certificate C. Computer certificate D. Root certificate
B. Self-signed certificate
42
A routine audit of medical billing claims revealed that several claims were submitted without the subscriber's knowledge. A review of the audit logs for the medical billing company's system indicated a company employee downloaded customer records and adjusted the direct deposit information to a personal bank account. Which of the following does this action describe? A. Insider threat B. Social engineering C. Third-party risk D. Data breach
A. Insider threat
43
A recent audit cited a risk involving numerous low-criticality vulnerabilities created by a web application using a third-party library. The development staff state there are still customers using the application even though it is end of life and it would be a substantial burden to update the application for compatibility with more secure libraries. Which of the following would be the MOST prudent course of action? A. Accept the risk if there is a clear road map for timely decommission. B. Deny the risk due to the end-of-life status of the application. C. Use containerization to segment the application from other applications to eliminate the risk. D. Outsource the application to a third-party developer group.
C. Use containerization to segment the application from other applications to eliminate the risk.
44
A security analyst is evaluating solutions to deploy an additional layer of protection for a web application. The goal is to allow only encrypted communications without relying on network devices. Which of the following can be implemented? A. HTTP security header B. DNSSEC implementation C. SRTP D. S/MIME
A. HTTP security header
45
A company labeled some documents with the public sensitivity classification. This means the documents can be accessed by: A. employees of other companies and the press. B. all members of the department that created the documents. C. only the company's employees and those listed in the document. D. only the individuals listed in the documents.
C. only the company's employees and those listed in the document.
46
Which of the following is the MOST relevant security check to be performed before embedding third-party libraries in developed code? A. Check to see if the third party has resources to create dedicated development and staging environments. B. Verify the number of companies that downloaded the third-party code and the number of contributions on the code repository. C. Assess existing vulnerabilities affecting the third-party code and the remediation efficiency of the libraries' developers. D. Read multiple penetration-testing reports for environments running software that reused the library.
C. Assess existing vulnerabilities affecting the third-party code and the remediation efficiency of the libraries' developers.
47
A help desk technician receives an email from the Chief Information Officer (CIO) asking for documents. The technician knows the CIO is on vacation for a few weeks. Which of the following should the technician do to validate the authenticity of the email? A. Check the metadata in the email header of the received path in reverse order to follow the email's path. B. Hover the mouse over the CIO's email address to verify the email address. C. Look at the metadata in the email header and verify the ג€From:ג€ line matches the CIO's email address. D. Forward the email to the CIO and ask if the CIO sent the email requesting the documents.
A. Check the metadata in the email header of the received path in reverse order to follow the email's path.
48
A company needs to validate its updated incident response plan using a real-world scenario that will test decision points and relevant incident response actions without interrupting daily operations. Which of the following would BEST meet the company's requirements? A. Red-team exercise B. Capture-the-flag exercise C. Tabletop exercise D. Phishing exercise
C. Tabletop exercise
49
Security analysts are conducting an investigation of an attack that occurred inside the organization's network. An attacker was able to collect network traffic between workstations throughout the network. The analysts review the following logs: VLAN ADDRESS 1 0007.1e5d.3213 1 002a. 7d.44.8801 1 0011.aab4 . 344d The Layer 2 address table has hundreds of entries similar to the ones above. Which of the following attacks has MOST likely occurred? A. SQL injection B. DNS spoofing C. MAC flooding D. ARP poisoning
C. MAC flooding
50
A security policy states that common words should not be used as passwords. A security auditor was able to perform a dictionary attack against corporate credentials. Which of the following controls was being violated? A. Password complexity B. Password history C. Password reuse D. Password length
A. Password complexity