Comptia 201-250 Flashcards by Avante Davidson

Which of the following prevents an employee from seeing a colleague who is visiting an inappropriate website?
A. Job rotation policy
B. NDA
C. AUP
D. Separation of duties policy

C. AUP

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A user reports falling for a phishing email to an analyst. Which of the following system logs would the analyst check FIRST?

A. DNS
B. Message gateway
C. Network
D. Authentication

A. DNS

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An attacker has determined the best way to impact operations is to infiltrate third-party software vendors. Which of the following vectors is being exploited?

A. Social media
B. Cloud
C. Supply chain
D. Social Engineering

C. Supply chain

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An organization would like to give remote workers the ability to use applications hosted inside the corporate network. Users will be allowed to use their personal computers, or they will be provided organization assets. Either way, no data or applications will be installed locally on any user systems. Which of the following mobile solutions would accomplish these goals?

A. VDI
B. MDM
C. COPE
D. UTM

B. MDM

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Which of the following is used to ensure that evidence is admissible in legal proceedings when it is collected and provided to the authorities?

A. Chain of custody
B. Legal hold
C. Event log
D. Artifacts

A. Chain of custody

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The Chief Information Security Officer (CISO) of a bank recently updated the incident response policy. The CISO is concerned that members of the incident response team do not understand their roles. The bank wants to test the policy but with the least amount of resources or impact. Which of the following BEST meets the requirements?
A. Warm site failover
B. Tabletop walk-through
C. Parallel path testing
D. Full outage simulation

C. Parallel path testing

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Which of the following control types fixes a previously identified issue and mitigates a risk?
A. Detective
B. Corrective
C. Preventative
D. Finalized

C. Preventative

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An analyst is reviewing logs associated with an attack. The logs indicate an attacker downloaded a malicious file that was quarantined by the AV solution. The attacker utilized a local non-administrative account to restore the malicious file to a new location. The file was then used by another process to execute a payload.

Which of the following attacks did the analyst observe?
A. Privilege escalation
B. Request forgeries
C. Injection
D. Replay attack

C. Injection

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A security engineer must deploy two wireless routers in an office suite. Other tenants in the office building should not be able to connect to this wireless network.
Which of the following protocols should the engineer implement to ensure the STRONGEST encryption?

A. WPS
B. WPA2
C. WAP
D. HTTPS

B. WPA2

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An attacker browses a company’s online job board attempting to find any relevant information regarding the technologies the company uses. Which of the following BEST describes this social engineering technique?

A. Hoax
B. Reconnaissance
C. Impersonation
D. Pretexting

C. Impersonation

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An analyst is trying to identify insecure services that are running on the internal network. After performing a port scan, the analyst identifies that a server has some insecure services enabled on default ports. Which of the following BEST describes the services that are currently running and the secure alternatives for replacing them? (Choose three.)

A. SFTP, FTPS
B. SNMPv2, SNMPv3
C. HTTP, HTTPS
D. TFTP, FTP
E. SNMPv1, SNMPv2
F. Telnet, SSH
G. TLS, SSL
H. POP, IMAP
I. Login, rlogin

B. SNMPv2, SNMPv3
C. HTTP, HTTPS
F. Telnet, SSH

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During an incident response process involving a laptop, a host was identified as the entry point for malware. The management team would like to have the laptop restored and given back to the user. The cybersecurity analyst would like to continue investigating the intrusion on the host. Which of the following would allow the analyst to continue the investigation and also return the laptop to the user as soon as possible?

A. dd
B. memdump
C. tcpdump
D. head

B. memdump

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A security analyst needs to produce a document that details how a security incident occurred, the steps that were taken for recovery, and how future incidents can be avoided. During which of the following stages of the response process will this activity take place?

A. Recovery
B. Identification
C. Lessons learned
D. Preparation

C. Lessons learned

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An administrator is configuring a firewall rule set for a subnet to only access DHCP, web pages, and SFTP, and to specifically block FTP. Which of the following would BEST accomplish this goal?

A. [Permission Source Destination Port]

Allow: Any Any 80 -

Allow: Any Any 443 -

Allow: Any Any 67 -

Allow: Any Any 68 -

Allow: Any Any 22 -

Deny: Any Any 21 -
Deny: Any Any
B. [Permission Source Destination Port]

Allow: Any Any 80 -

Allow: Any Any 443 -

Allow: Any Any 67 -

Allow: Any Any 68 -

Deny: Any Any 22 -

Allow: Any Any 21 -
Deny: Any Any
C. [Permission Source Destination Port]

Allow: Any Any 80 -

Allow: Any Any 443 -

Allow: Any Any 22 -

Deny: Any Any 67 -

Deny: Any Any 68 -

Deny: Any Any 21 -
Allow: Any Any
D. [Permission Source Destination Port]

Allow: Any Any 80 -

Allow: Any Any 443 -

Deny: Any Any 67 -

Allow: Any Any 68 -

Allow: Any Any 22 -

Allow: Any Any 21 -
Allow: Any Any

A. [Permission Source Destination Port]

Allow: Any Any 80 -

Allow: Any Any 443 -

Allow: Any Any 67 -

Allow: Any Any 68 -

Allow: Any Any 22 -

Deny: Any Any 21 -
Deny: Any Any

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While investigating a recent security incident, a security analyst decides to view all network connections on a particular server. Which of the following would provide the desired information?

A. arp
B. nslookup
C. netstat
D. nmap

C. netstat

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A company recently decided to allow its employees to use their personally owned devices for tasks like checking email and messaging via mobile applications. The company would like to use MDM, but employees are concerned about the loss of personal data. Which of the following should the IT department implement to BEST protect the company against company data loss while still addressing the employees’ concerns?

A. Enable the remote-wiping option in the MDM software in case the phone is stolen.
B. Configure the MDM software to enforce the use of PINs to access the phone.
C. Configure MDM for FDE without enabling the lock screen.
D. Perform a factory reset on the phone before installing the company’s applications.

C. Configure MDM for FDE without enabling the lock screen.

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The concept of connecting a user account across the systems of multiple enterprises is BEST known as:

A. federation.
B. a remote access policy.
C. multifactor authentication.
D. single sign-on.

A. federation.

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A user received an SMS on a mobile phone that asked for bank details. Which of the following social-engineering techniques was used in this case?

A. SPIM
B. Vishing
C. Spear phishing
D. Smishing

D. Smishing

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A company is working on mobile device security after a report revealed that users granted non-verified software access to corporate data. Which of the following is the MOST effective security control to mitigate this risk?

A. Block access to application stores
B. Implement OTA updates
C. Update the BYOD policy
D. Deploy a uniform firmware

C. Update the BYOD policy

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A security analyst needs to implement security features across smartphones, laptops, and tablets. Which of the following would be the MOST effective across heterogeneous platforms?

A. Enforcing encryption
B. Deploying GPOs
C. Removing administrative permissions
D. Applying MDM software

A. Enforcing encryption

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The new Chief Information Security Officer at a company has asked the security team to implement stronger user account policies. The new policies require:

Users to choose a password unique to their last ten passwords
Users to not log in from certain high-risk countries

Which of the following should the security team implement? (Choose two.)

A. Password complexity
B. Password history
C. Geolocation
D. Geofencing
E. Geotagging
F. Password reuse

B. Password history
F. Password reuse

Which of the following is MOST likely to outline the roles and responsibilities of data controllers and data processors?

A. SSAE SOC 2
B. PCI DSS
C. GDPR
D. ISO 31000

C. GDPR

Which of the following is MOST likely to contain ranked and ordered information on the likelihood and potential impact of catastrophic events that may affect business processes and systems, while also highlighting the residual risks that need to be managed after mitigating controls have been implemented?

A. An RTO report
B. A risk register
C. A business impact analysis
D. An asset value register
E. A disaster recovery plan

C. A business impact analysis

A worldwide manufacturing company has been experiencing email account compromises. In one incident, a user logged in from the corporate office in France, but then seconds later, the same user account attempted a login from Brazil. Which of the following account policies would BEST prevent this type of attack?

A. Network location
B. Impossible travel time
C. Geolocation
D. Geofencing

B. Impossible travel time

A new vulnerability in the SMB protocol on the Windows systems was recently discovered, but no patches are currently available to resolve the issue. The security administrator is concerned that servers in the company’s DMZ will be vulnerable to external attack; however, the administrator cannot disable the service on the servers, as SMB is used by a number of internal systems and applications on the LAN. Which of the following TCP ports should be blocked for all external inbound connections to the DMZ as a workaround to protect the servers? (Choose two.) A. 135 B. 139 C. 143 D. 161 E. 443 F. 445

B. 139 F. 445

A recent phishing campaign resulted in several compromised user accounts. The security incident response team has been tasked with reducing the manual labor of filtering through all the phishing emails as they arrive and blocking the sender’s email address, along with other time-consuming mitigation actions. Which of the following can be configured to streamline those tasks? A. SOAR playbook B. MDM policy C. Firewall rules D. URL filter E. SIEM data collection

A. SOAR playbook

A user reports constant lag and performance issues with the wireless network when working at a local coffee shop. A security analyst walks the user through an installation of Wireshark and gets a five-minute pcap to analyze. The analyst observes the following output: Which of the following attacks does the analyst MOST likely see in this packet capture? A. Session replay B. Evil twin C. Bluejacking D. ARP poisoning

A. Session replay

A security analyst is reviewing the following output from a system: Which of the following is MOST likely being observed? A. ARP poisoning B. Man in the middle C. Denial of service D. DNS poisoning

C. Denial of service

Which of the following concepts BEST describes tracking and documenting changes to software and managing access to files and systems? A. Version control B. Continuous monitoring C. Stored procedures D. Automation

A. Version control

A penetration tester is brought on site to conduct a full attack simulation at a hospital. The penetration tester notices a WAP that is hanging from the drop ceiling by its cabling and is reachable. Which of the following recommendations would the penetration tester MOST likely make given this observation? A. Employ a general contractor to replace the drop-ceiling tiles. B. Place the network cabling inside a secure conduit. C. Secure the access point and cabling inside the drop ceiling. D. Utilize only access points that have internal antennas

C. Secure the access point and cabling inside the drop ceiling.

Which of the following techniques eliminates the use of rainbow tables for password cracking? A. Hashing B. Tokenization C. Asymmetric encryption D. Salting

D. Salting

During a security assessment, a security analyst finds a file with overly permissive permissions. Which of the following tools will allow the analyst to reduce the permissions for the existing users and groups and remove the set-user-ID bit from the file? A. ls B. chflags C. chmod D. lsof E. setuid

C. chmod

A network administrator is concerned about users being exposed to malicious content when accessing company cloud applications. The administrator wants to be able to block access to sites based on the AUP. The users must also be protected because many of them work from home or at remote locations, providing on-site customer support. Which of the following should the administrator employ to meet these criteria? A. Implement NAC. B. Implement an SWG. C. Implement a URL filter. D. Implement an MDM.

B. Implement an SWG.

A website developer is working on a new e-commerce website and has asked an information security expert for the most appropriate way to store credit card numbers to create an easy reordering process. Which of the following methods would BEST accomplish this goal? A. Salting the magnetic strip information B. Encrypting the credit card information in transit C. Hashing the credit card numbers upon entry D. Tokenizing the credit cards in the database

B. Encrypting the credit card information in transit

Which of the following supplies non-repudiation during a forensics investigation? A. Dumping volatile memory contents first B. Duplicating a drive with dd C. Using a SHA-2 signature of a drive image D. Logging everyone in contact with evidence E. Encrypting sensitive data

C. Using a SHA-2 signature of a drive image

A security analyst is tasked with classifying data to be stored on company servers. Which of the following should be classified as proprietary? A. Customers’ dates of birth B. Customers’ email addresses C. Marketing strategies D. Employee salaries

C. Marketing strategies

Which of the following holds staff accountable while escorting unauthorized personnel? A. Locks B. Badges C. Cameras D. Visitor logs

C. Cameras

An organization’s Chief Security Officer (CSO) wants to validate the business’s involvement in the incident response plan to ensure its validity and thoroughness. Which of the following will the CSO MOST likely use? A. An external security assessment B. A bug bounty program C. A tabletop exercise D. A red-team engagement

C. A tabletop exercise

Which of the following documents provides guidance regarding the recommended deployment of network security systems from the manufacturer? A. Cloud control matrix B. Reference architecture C. NIST RMF D. CIS Top 20

D. CIS Top 20

During a recent security assessment, a vulnerability was found in a common OS. The OS vendor was unaware of the issue and promised to release a patch within the next quarter. Which of the following BEST describes this type of vulnerability? A. Legacy operating system B. Weak configuration C. Zero day D. Supply chain

A. Legacy operating system

Which of the following is a targeted attack aimed at compromising users within a specific industry or group? A. Watering hole B. Typosquatting C. Hoax D. Impersonation

A. Watering hole

To reduce and limit software and infrastructure costs, the Chief Information Officer has requested to move email services to the cloud. The cloud provider and the organization must have security controls to protect sensitive data. Which of the following cloud services would BEST accommodate the request? A. IaaS B. PaaS C. DaaS D. SaaS

B. PaaS

A security engineer is concerned that the strategy for detection on endpoints is too heavily dependent on previously defined attacks. The engineer would like a tool to monitor for changes to key files and network traffic on the device. Which of the following tools BEST addresses both detection and prevention? A. NIDS B. HIPS C. AV D. NGFW

B. HIPS

During a recent incident, an external attacker was able to exploit an SMB vulnerability over the internet. Which of the following action items should a security analyst perform FIRST to prevent this from occurring again? A. Check for any recent SMB CVEs. B. Install AV on the affected server. C. Block unneeded TCP 445 connections. D. Deploy a NIDS in the affected subnet.

A. Check for any recent SMB CVEs.

A penetration tester is fuzzing an application to identify where the EIP of the stack is located on memory. Which of the following attacks is the penetration tester planning to execute? A. Race-condition B. Pass-the-hash C. Buffer overflow D. XSS

C. Buffer overflow

Server administrators want to configure a cloud solution so that computing memory and processor usage is maximized most efficiently across a number of virtual servers. They also need to avoid potential denial-of-service situations caused by availability. Which of the following should administrators configure to maximize system availability while efficiently utilizing available computing power? A. Dynamic resource allocation B. High availability C. Segmentation D. Container security

A. Dynamic resource allocation

While reviewing the wireless router, a systems administrator of a small business determines someone is spoofing the MAC address of an authorized device. Given the table below: Which of the following should be the administrator’s NEXT step to detect if there is a rogue system without impacting availability? A. Conduct a ping sweep, B. Physically check each system. C. Deny internet access to the "UNKNOWN" hostname. D. Apply MAC filtering.

D. Apply MAC filtering.

A security analyst in a SOC has been tasked with onboarding a new network into the SIEM. Which of the following BEST describes the information that should feed into a SIEM solution in order to adequately support an investigation? A. Logs from each device type and security layer to provide correlation of events B. Only firewall logs since that is where attackers will most likely try to breach the network C. Email and web-browsing logs because user behavior is often the cause of security breaches D. NetFlow because it is much more reliable to analyze than syslog and will be exportable from every device

B. Only firewall logs since that is where attackers will most likely try to breach the network

An organization just implemented a new security system. Local laws state that citizens must be notified prior to encountering the detection mechanism to deter malicious activities. Which of the following is being implemented? A. Proximity cards with guards B. Fence with electricity C. Drones with alarms D. Motion sensors with signage

D. Motion sensors with signage

An IT security manager requests a report on company information that is publicly available. The manager's concern is that malicious actors will be able to access the data without engaging in active reconnaissance. Which of the following is the MOST efficient approach to perform the analysis? A. Provide a domain parameter to theHarvester tool. B. Check public DNS entries using dnsenum. C. Perform a Nessus vulnerability scan targeting a public company’s IP. D. Execute nmap using the options: scan all ports and sneaky mode.

B. Check public DNS entries using dnsenum.