CompTIA A+ 902 Certification Exam Sample Test

This scenario describes a potential security threat known as social engineering. Social engineering involves manipulating individuals through psychological tactics to gain unauthorized access to sensitive information or systems. In this case, the caller is attempting to deceive Ann into providing information about her email account, which is a form of social engineering.

Port 443 should be allowed because it is the default port for HTTPS (Hypertext Transfer Protocol Secure), which is used to establish a secure connection between a web browser and a website. Allowing this port ensures that network computers can only use secured protocols on the Internet, preventing any potential security risks associated with unsecured communication.

Enabling MAC filtering would be the best recommendation in this scenario. MAC filtering allows the network administrator to create a list of approved devices that can connect to the wireless network based on their unique MAC addresses. By enabling MAC filtering, the technician can ensure that only the customer's devices are able to access the network, effectively preventing others from accessing it. This provides an additional layer of security without the need for a complicated password, making it convenient for the customer with a small number of devices on the network.

A turnstile is an example of a mantrap, which is a form of physical security. A mantrap is a small, enclosed area with two or more doors, where only one door can be opened at a time. It is designed to restrict access to a secure area by allowing only one person to enter or exit at a time. Turnstiles are commonly used in public transportation systems, stadiums, and other high-security areas to control the flow of people and ensure that only authorized individuals can enter or exit.

The technician should perform the task of verifying data connectivity first. This is because the problem mentioned in the helpdesk ticket is related to sending text messages, which requires a stable data connection. By verifying data connectivity, the technician can ensure that the smartphone is properly connected to the network and has access to the internet, which is essential for sending text messages. Once data connectivity is confirmed, the technician can then proceed to troubleshoot other possible causes if the issue persists.

The frequent appearance of an icon on the screen informing the user about additional information required to log in suggests that the smartphone is unintentionally connecting to WiFi networks. This could be due to the phone automatically connecting to nearby WiFi networks or the user unknowingly selecting a WiFi network while driving.

The most likely cause of the issue is that Automatic Windows Update is enabled on the machine. This feature automatically installs updates on the PC, which may require the user to log off temporarily. This behavior is common when updates are being installed, and the message displayed to Joe confirms this. The other options do not directly relate to updates being installed, making them less likely causes of the issue.

The technician's first step in troubleshooting the problem would be to run defrag on the hard drive. Over time, as files are added, deleted, and modified, the hard drive can become fragmented, causing slower performance. Running defrag helps to optimize the placement of files on the hard drive, improving access times and overall performance. Since other applications work fine and the data has been backed up, it is likely that the issue is related to the fragmentation of the CAD files on the hard drive.

Firewalls are considered to be a digital security prevention method. A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and an untrusted external network, controlling and blocking unauthorized access while allowing legitimate communication. By examining and controlling network traffic, firewalls help prevent unauthorized access, protect against malware and other cyber threats, and ensure the confidentiality, integrity, and availability of digital resources.

The most likely cause of the issue is content-filtering. Content-filtering is a security measure implemented by organizations to restrict access to certain websites or types of content. In this case, the file-sharing site has been blocked by the content-filtering system, preventing the end-user from accessing it. This could be due to company policies or concerns about security risks associated with file-sharing sites. Antivirus software, internet connectivity issues, and ransomware infection are less likely causes for the specific issue described.

Enabling MAC filtering would be the appropriate additional setting for the technician to change in this scenario. MAC filtering allows the technician to specify which devices are allowed to connect to the wireless network based on their MAC addresses. By enabling MAC filtering, the technician can add the MAC addresses of the three employees' laptops to the allowed devices list, thereby preventing any additional devices from accessing the network. This provides an extra layer of security and helps to ensure that only authorized devices can connect to the wireless network.

Physical destruction is the most effective method for quickly destroying data on unwanted hard drives. This involves physically damaging the hard drives to the point where the data cannot be recovered. This can be done through methods such as shredding, crushing, or drilling holes into the hard drives. Unlike quick format or low level format, which only erase the file system and can still be recovered with specialized software, physical destruction ensures that the data is completely irretrievable. Overwriting, while effective in most cases, may still leave traces of data that could potentially be recovered, making physical destruction the most secure option.

Shredding would be the best method for disposing of hard drives that contain sensitive employee data. Shredding ensures that the data on the drives is completely destroyed and cannot be recovered. This method physically destroys the hard drives, making it virtually impossible for anyone to access the sensitive information. Recycling, reformatting, and overwriting may not completely remove the data from the drives, leaving it susceptible to being recovered by unauthorized individuals.

The most likely cause of the issue is domain-level group policies. Domain-level group policies are set by administrators to control the settings and behavior of computers within a network domain. In this case, the grayed out screensaver and screenlock options indicate that these settings have been locked down by a group policy. This is commonly done in organizations to enforce security measures and prevent unauthorized access to computers.

Msconfig is a tool that allows the technician to manage the startup process and services on a Windows system. By using msconfig, the technician can disable unnecessary startup programs and services, which can help improve system performance and prevent spontaneous restarts. This tool does not involve any data loss as it only modifies the startup configuration of the system. It is a useful troubleshooting tool in this scenario as it allows the technician to identify and disable any problematic applications or services that may be causing the performance issues.

The technician should quarantine the system as the first step when responding to the problem of adware pop-ups. Quarantining the system involves isolating the infected files or software to prevent further spread of the adware. This will help contain the issue and minimize its impact on the networked PC. Once the system is quarantined, further steps can be taken to remove the adware and restore normal browser functionality.

Closing all running apps throughout the day can help resolve the issue of a slow-running smartphone at the end of the day. When apps are left running in the background, they consume system resources, causing the device to slow down over time. By closing these apps, the smartphone can free up memory and processing power, allowing it to operate at its normal speed. Resetting to factory default or uninstalling unused apps may also help improve performance, but they are not specifically targeted at addressing the issue of a slow-running smartphone at the end of the day. Charging the smartphone is unrelated to the performance issue.

A technician would use msconfig to test the theory of a Windows workstation having malicious software that created an infected start-up item or service. Msconfig is a Windows utility that allows users to manage the system's startup programs and services. By using msconfig, the technician can disable suspicious startup items or services, which can help identify and eliminate any malicious software causing the issue.

The best solution for securing the workstation in this scenario is to apply a screen lock after five minutes of nonuse and implement login time restrictions for afterhours. This ensures that sensitive material cannot be accessed when the user is away from the workstation, and also prevents unauthorized access during afterhours. By setting a screen lock after a short period of nonuse, the user's workstation will be protected from unauthorized access even if the user forgets to manually lock it. Additionally, implementing login time restrictions for afterhours further enhances the security by limiting access to the workstation during specific times.

Running System Restore would be the best tool to remove the malware without risking loss of the user's data. System Restore allows the user to revert their computer's state to a previous point in time, before the malware was installed. By restoring the system to a point before the malware, the antivirus software and Internet connection can be restored, effectively removing the malware. This option does not involve reinstalling Windows, which could potentially result in data loss.

The technician should check for and apply a firmware update next. Firmware updates often include patches and fixes for known vulnerabilities, so applying the latest firmware update can help protect the router from potential exploits. By ensuring that the router has the most up-to-date firmware, the technician can mitigate the risks associated with the recently discovered vulnerabilities.

To secure the workstation, the technician should rename default accounts and disable the guest account. Renaming default accounts helps to prevent unauthorized access as hackers often target default account names. Disabling the guest account adds an extra layer of security by preventing unauthorized users from accessing the system.

Unauthorized root access may be the cause of the smartphone's very short battery life. When a device is rooted, it allows for unrestricted access to the device's operating system and can lead to various issues, including excessive battery drain. Rooted devices often run background processes that consume more power, resulting in a shorter battery life. Therefore, the unauthorized root access could be the reason behind the reported battery drain problem.

The most likely reason the file save cannot be completed is that the user requires write permissions to the folder. Without write permissions, the user is not allowed to make any changes or save files in the directory. This restriction prevents unauthorized or accidental modifications to the folder's contents.

EFS (Encrypting File System) is the correct answer because it is a Windows feature that allows users to encrypt individual files or folders. By using EFS, the user can protect sensitive data by encrypting it with a unique key, making it accessible only to authorized users who possess the corresponding encryption certificate. This feature provides an additional layer of security for specific files or folders without the need to encrypt the entire hard drive or system.

The technician would use anti-malware software to resolve the issue because the user's computer has been compromised, as indicated by the fact that any URL entered redirects to the same web page. Anti-malware software is designed to detect and remove malicious software, such as viruses, worms, and spyware, which may be causing the redirection. By running an anti-malware scan, the technician can identify and eliminate any malicious programs that are affecting the computer's behavior.

Running msconfig to clean boot the computer can help identify if the rogue processes are being launched at startup. By disabling all startup programs and services, the technician can determine if any of them are responsible for the pop-ups. This step will help isolate the issue and narrow down the potential causes.

To solve the issue of receiving rejection messages from various mail servers, the technician would change the user's email password. This is because the sudden influx of rejection messages suggests that the user's email account may have been compromised or hacked. By changing the password, the technician can prevent unauthorized access to the account and stop the sending of spam or malicious emails, which are causing the rejection messages.

Performing a hard reset on the Android phone is the most likely solution to fix the issue Joe is facing after updating the OS. A hard reset will force the phone to restart and clear any temporary software glitches or conflicts that might be causing the problem. It is a quick and effective solution that does not require any technical expertise or additional troubleshooting steps.

Using multi-factor authentication and educating end users are two measures that can help protect an organization from further data exposure after a list of user passwords has been leaked due to a policy breach. Multi-factor authentication adds an extra layer of security by requiring users to provide multiple forms of verification, such as a password and a unique code sent to their mobile device. Educating end users on best practices for creating strong passwords and avoiding phishing attempts can also help prevent unauthorized access to sensitive data.