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CompTIA A+ certification is highly regarded by employers and is recognized as a benchmark for IT professionals. It is an entry-level certification that is suitable for those who are just starting their careers in IT, as well as those who are looking to enhance their skills and knowledge in the field. By obtaining the CompTIA A+ certification, candidates can demonstrate their proficiency and expertise in the latest technologies and best practices, which can lead to better job opportunities, higher salaries, and career advancement.
CompTIA A+ Certification Exam: Core 2 is a comprehensive exam that covers a wide range of topics. It includes questions on hardware and software installation, configuration and maintenance, network troubleshooting, security protocols, and mobile devices. 220-1102 exam is designed to test the ability of the candidate to identify and troubleshoot issues related to these topics.
NEW QUESTION # 145
A hotel's Wi-Fi was used to steal information on a corporate laptop. A technician notes the following security log:
SRC: 192.168.1.1/secrets.zip Protocol SMB >> DST: 192.168.1.50/capture
The technician analyses the following Windows firewall information:
Which of the following protocols most likely allowed the data theft to occur?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
Explanation
The protocol that most likely allowed the data theft to occur is SMB over TCP port 445. SMB is a network file sharing protocol that enables access to files, printers, and other resources on a network. Port 445 is used by SMB to communicate directly over TCP without the need for NetBIOS, which is an older and less secure protocol. The security log shows that the source IP address 192.168.1.1 sent a file named secrets.zip using SMB protocol to the destination IP address 192.168.1.50, which captured the file. The Windows firewall information shows that port 445 is enabled for inbound and outbound traffic, which means that it is not blocked by the firewall. Therefore, port 445 is the most likely port that was exploited by the attacker to steal the data from the corporate laptop.
References:
SMB port number: Ports 445, 139, 138, and 137 explained1
What is an SMB Port + Ports 445 and 139 Explained2
CompTIA A+ Certification Exam Core 2 Objectives3
NEW QUESTION # 146
A technician is setting up a backup method on a workstation that only requires two sets of tapes to restore.
Which of the following would BEST accomplish this task?
- A. Off-site backup
- B. Full backup
- C. Incremental backup
- D. Differential backup
Answer: B
Explanation:
Explanation
A full backup involves creating a copy of all data on the workstation, including system files and user-created data, and storing it on a set of tapes. This ensures that all data is backed up, and ensures that the data can be restored in the event of a system failure or data loss.
NEW QUESTION # 147
Which of the following physical security controls can prevent laptops from being stolen?
- A. LoJack
- B. Equipment lock
- C. Encryption
- D. Multifactor authentication
- E. Bollards
Answer: B
Explanation:
An equipment lock is a physical security device that attaches a laptop to a fixed object, such as a desk or a table, with a cable and a lock. This can prevent the laptop from being stolen by unauthorized persons.
Encryption, LoJack, multifactor authentication and bollards are other security measures, but they do not physically prevent theft. Verified References:
https://www.comptia.org/blog/physical-securityhttps://www.comptia.org/certifications/a
NEW QUESTION # 148
A field technician applied a Group Policy setting to all the workstations in the network. This setting forced the workstations to use a specific SNTP server. Users are unable to log in now. Which of the following is the MOST likely cause of this issue?
- A. A user changed the time zone on a local machine.
- B. The SNTP server is offline.
- C. The workstations and the authentication server have a system clock difference.
- D. The Group Policy setting has disrupted domain authentication on the system,
Answer: C
Explanation:
Explanation
The workstations and the authentication server have a system clock difference. If a Group Policy setting is applied that forces the workstations to use a specific SNTP server, but the system clock on the workstations and the authentication server are out of sync, then this can cause authentication issues and users will be unable to log in. In this case, the most likely cause of the issue is a difference in system clocks and the technician should ensure that the clocks on the workstations and the authentication server are in sync.
NEW QUESTION # 149
A user reports that after a recent software deployment to upgrade applications, the user can no longer use the Testing program.
However, other employees can successfully use the Testing program.
INSTRUCTIONS
Review the information in each tab to verify the results of the deployment and resolve any issues discovered by selecting the:
* Index number of the Event Viewer issue
* First command to resolve the issue
* Second command to resolve the issue
BSOD
Commands:
Event Viewer:
System Error:
Answer:
Explanation:
see the answer below in explanation.
Explanation:
The user is experiencing a system error that prevents them from using the Testing program. The error message indicates that the file MSVCP100.dll is missing from the computer. This file is part of the Microsoft Visual C++ 2010 Redistributable Package, which is required by some applications to run properly. The error may have occurred due to a corrupted or incomplete software deployment.
To resolve this issue, the user needs to restore the missing file and register it in the system. One possible way to do this is to copy the file from another computer that has the Testing program installed and working, and then use the regsvr32 command to register it. The steps are as follows:
* On another computer (User-PC02) that has the Testing program installed and working, locate the file MSVCP100.dll in the folder C:\Program Files\Testing.
* Share the folder C:\Windows\System32 on User-PC02 by right-clicking on it, selecting Properties, then Sharing, then Advanced Sharing, then checking Share this folder, then clicking OK.
* On the user's computer (User-PC01), open a command prompt as an administrator by clicking Start, typing cmd, right-clicking on Command Prompt, and selecting Run as administrator.
* In the command prompt, type the following command to copy the file MSVCP100.dll from User-PC02
* to User-PC01: copy "C:\Program Files\Testing\msvcp100.dll" "\\User-PC02\C$\Windows\System32"
* After the file is copied, type the following command to register it in the system: regsvr32 msvcp100.dll
* Restart the user's computer and try to run the Testing program again.
Therefore, based on the instructions given by the user, the correct answers are:
Select Event Viewer Issue: 2187
Select First Command: copy "C:\Program Files\Testing\msvcp100.dll" "\\User-PC02\C$\Windows\System32" Select Second Command: regsvr32 msvcp100.dll
NEW QUESTION # 150
A systems administrator is tasked with configuring desktop systems to use a new proxy server that the organization has added to provide content filtering. Which of the following Windows utilities IS the BEST choice for accessing the necessary configuration to complete this goal?
- A. Security and Maintenance
- B. Windows Defender Firewall
- C. Network and Sharing Center
- D. Internet Options
Answer: D
Explanation:
Explanation
The best choice for accessing the necessary configuration to configure the desktop systems to use a new proxy server is the Internet Options utility. This utility can be found in the Control Panel and allows you to configure the proxy settings for your network connection. As stated in the CompTIA A+ Core 2 exam objectives, technicians should be familiar with the Internet Options utility and how to configure proxy settings.
NEW QUESTION # 151
A user reports that a PC seems to be running more slowly than usual. A technician checks system resources, but disk, CPU, and memory usage seem to be fine. The technician sees that GPU temperature is extremely high. Which of the following types of malware is MOST likely to blame?
- A. Cryptominer
- B. Spyware
- C. Ransormvare
- D. Boot sector virus
Answer: A
Explanation:
Explanation
The type of malware that is most likely to blame for a PC running more slowly than usual and having an extremely high GPU temperature is a "cryptominer". Cryptominers are a type of malware that use the resources of a computer to mine cryptocurrency. This can cause the computer to run more slowly than usual and can cause the GPU temperature to rise. Spyware is a type of malware that is used to spy on a user's activities, but it does not typically cause high GPU temperatures. Ransomware is a type of malware that encrypts a user's files and demands payment to unlock them, but it does not typically cause high GPU temperatures. Boot sector viruses are a type of malware that infects the boot sector of a hard drive, but they do not typically cause high GPU temperatures
NEW QUESTION # 152
A user's antivirus software reports an infection that it is unable to remove. Which of the following is the most appropriate way to remediate the issue?
- A. Quarantine the infected system.
- B. Disable System Restore.
- C. Utilize a Linux live disc.
- D. Update the anti-malware.
Answer: A
Explanation:
Quarantining the infected system is the most appropriate way to remediate the issue of an infection that the antivirus software cannot remove. Quarantining means isolating the system from the network and other devices to prevent the infection from spreading or causing further damage. Quarantining also allows the technician to perform further analysis and removal of the infection without risking the security of other systems or data.
Some of the steps involved in quarantining an infected system are:
Disconnect the system from the internet and any local network connections, such as Wi-Fi, Ethernet, Bluetooth, or USB.
Disable any file-sharing or remote access services on the system, such as Windows File Sharing, Remote Desktop, or TeamViewer.
Use a separate device to download and update the antivirus software and any other tools that may be needed to remove the infection, such as malware scanners, rootkit removers, or bootable rescue disks.
Transfer the updated antivirus software and tools to the infected system using a removable media, such as a CD, DVD, or USB flash drive. Scan the removable media for any infections before and after using it on the infected system.
Run the antivirus software and tools on the infected system and follow the instructions to delete or quarantine the infection. If the infection is persistent or complex, it may require booting the system from a rescue disk or using a Linux live disc to access and clean the system files.
After the infection is removed, restore the system to a previous clean state using System Restore, backup, or recovery partition. Scan the system again to ensure that it is clean and secure. Reconnect the system to the network and update the system and the antivirus software.
Reference:
How to Identify and Repair Malware or Virus Infected Computers, section 31 Uninstalling Antivirus Software, the Clean Way: 40 Removal Tools & Instructions, section 22 How to manually remove an infected file from a Windows computer3 The Official CompTIA A+ Core 2 Study Guide (220-1102), page 2194
NEW QUESTION # 153
Security software was accidentally uninstalled from all servers in the environment. After requesting the same version of the software be reinstalled, the security analyst learns that a change request will need to be filled out. Which of the following is the BEST reason to follow the change management process in this scenario?
- A. A rollback plan can be implemented in case the software breaks an application.
- B. End users can be aware of the scope of the change.
- C. A risk assessment can be performed to determine if the software is needed.
- D. Owners can be notified a change is being made and can monitor it for performance impact. Most Voted
Answer: A
Explanation:
change management process can help ensure that owners are notified of changes being made and can monitor them for performance impact (A). This can help prevent unexpected issues from arising.
NEW QUESTION # 154
A user is trying to use a third-party USB adapter but is experiencing connection issues. Which of the following tools should the technician use to resolve this issue?
- A. eventvwr.msc
- B. diskmgmt.msc
- C. de vmgmt. msc
- D. taskschd.msc
Answer: C
Explanation:
The tool that the technician should use to resolve the connection issues with the third-party USB adapter is devmgmt.msc. Devmgmt.msc is a command that opens the Device Manager, which is a utility that allows users to view and manage the hardware devices and drivers installed on a computer. The technician can use the Device Manager to check the status, properties and compatibility of the USB adapter and its driver, and perform actions such as updating, uninstalling or reinstalling the driver, enabling or disabling the device, or scanning for hardware changes. Taskschd.msc is a command that opens the Task Scheduler, which is a utility that allows users to create and manage tasks that run automatically at specified times or events. The Task Scheduler is not relevant or useful for resolving connection issues with the USB adapter. Eventvwr.msc is a command that opens the Event Viewer, which is a utility that allows users to view and monitor the system logs and events. The Event Viewer may provide some information or clues about the connection issues with the USB adapter, but it does not allow users to manage or troubleshoot the device or its driver directly.
Diskmgmt.msc is a command that opens the Disk Management, which is a utility that allows users to view and manage the disk drives and partitions on a computer. The Disk Management is not relevant or useful for resolving connection issues with the USB adapter. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 1.6
NEW QUESTION # 155
A systems administrator is tasked with configuring desktop systems to use a new proxy server that the organization has added to provide content filtering. Which of the following Windows utilities is the best choice for accessing the necessary configuration to complete this goal?
- A. Security and Maintenance
- B. Windows Defender Firewall
- C. Network and Sharing Center
- D. Internet Options
Answer: D
Explanation:
Explanation
Proxy server
Explore
The correct answer is D. Internet Options. The Internet Options utility in Windows allows you to configure various settings related to your internet connection, including the proxy server settings. To access the Internet Options utility, you can either open the Control Panel and click on Internet Options, or open any web browser and click on the Tools menu and then on Internet Options. In the Internet Options window, go to the Connections tab and click on the LAN settings button. Here, you can enable or disable the use of a proxy server, as well as enter the address and port number of the proxy server you want to use12.
Security and Maintenance is a utility in Windows that allows you to view and manage the security and maintenance status of your computer, such as firewall, antivirus, backup, troubleshooting, and recovery settings. It does not have any option to configure proxy server settings.
Network and Sharing Center is a utility in Windows that allows you to view and manage your network connections, such as Wi-Fi, Ethernet, VPN, or dial-up. It also allows you to change network settings, such as network discovery, file and printer sharing, homegroup, and adapter settings. It does not have any option to configure proxy server settings.
Windows Defender Firewall is a utility in Windows that allows you to enable or disable the firewall protection for your computer, as well as configure firewall rules for inbound and outbound traffic. It does not have any option to configure proxy server settings.
NEW QUESTION # 156
A systems administrator installed the latest Windows security patch and received numerous tickets reporting slow performance the next day. Which of the following should the administrator do to resolve this issue?
- A. Roll back the updates.
- B. Rebuild user profiles.
- C. Perform a system file check.
- D. Restart the services.
Answer: A
Explanation:
Rolling back the updates is the best way to resolve the issue of slow performance caused by installing the latest Windows security patch. This can be done by using the System Restore feature or by uninstalling the specific update from the Control Panel. Rebuilding user profiles, restarting the services and performing a system file check are not likely to fix the issue, since they do not undo the changes made by the update.
Verified References:
https://www.comptia.org/blog/how-to-roll-back-windows-updateshttps://www.comptia.org/certifications/a
NEW QUESTION # 157
A technician is setting up a backup method on a workstation that only requires two sets of tapes to restore.
Which of the following would BEST accomplish this task?
- A. Off-site backup
- B. Full backup
- C. Incremental backup
- D. Differential backup
Answer: B
Explanation:
Explanation
A full backup involves creating a copy of all data on the workstation, including system files and user-created data, and storing it on a set of tapes. This ensures that all data is backed up, and ensures that the data can be restored in the event of a system failure or data loss.
NEW QUESTION # 158
A technician is replacing the processor in a desktop computer prior to opening the computer, the technician wants to ensure the internal components are protected. Which of the following safety procedures would BEST protect the components in the PC? (Select TWO).
- A. Utilizing an ESD strap
- B. Disconnecting the computer from the power source
- C. Placing the PSU in an antistatic bag
- D. Removing dust from the ventilation fans
- E. Ensuring proper ventilation
- F. Ensuring equipment is grounded
Answer: A,B
NEW QUESTION # 159
A technician is setting up a backup method on a workstation that only requires two sets of tapes to restore.
Which of the following would BEST accomplish this task?
- A. Off-site backup
- B. Full backup
- C. Incremental backup
- D. Differential backup
Answer: B
Explanation:
To accomplish this task, the technician should use a Full backup method1 A full backup only requires two sets of tapes to restore because it backs up all the data from the workstation. With a differential backup, the backups need to be taken multiple times over a period of time, so more tapes would be needed to restore the data1
NEW QUESTION # 160
Ann, a CEO, has purchased a new consumer-class tablet for personal use, but she is unable to connect it to the company's wireless network. All the corporate laptops are connecting without issue. She has asked you to assist with getting the device online.
INSTRUCTIONS
Review the network diagrams and device configurations to determine the cause of the problem and resolve any discovered issues.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
Click on 802.11 and Select ac
Click on SSID and select CORP
Click on Frequency and select 5GHz
At Wireless Security Mode, Click on Security Mode
Select the WPA2
Ann needs to connect to the BYOD SSID, using 2.4GHZ. The selected security method chose should be WPA PSK, and the password should be set to TotallySecret.
NEW QUESTION # 161
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