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CompTIA 220-1101 exam consists of 90 questions that must be completed within 90 minutes. It is a computer-based exam that can be taken at a Pearson VUE testing center or online. 220-1101 Exam is designed to test the candidate's understanding of the core concepts and skills required to support and manage IT systems.

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CompTIA A+ certification program is an industry-standard certification that is recognized by employers around the world. The CompTIA 220-1101 Exam is the first exam in this certification program, and passing 220-1101 exam is an important step towards becoming a qualified IT professional. 220-1101 exam is designed to test the foundational knowledge and skills required for IT professionals at an entry-level, and passing the exam demonstrates a solid understanding of the concepts covered. Overall, the CompTIA 220-1101 Exam is an important exam for those seeking to enter the IT industry and is a valuable certification for IT professionals looking to advance their careers.

CompTIA A+ Certification Exam: Core 1 Sample Questions (Q171-Q176):

NEW QUESTION # 171
A home user has purchased a subscription for a service that blocks malicious sites by preventing them from resolving correctly. Which of the following settings MOST likely needs to be changed on the user's router to enable this functionally?

A. Universal PnP
B. DHCP server
C. Port forwarding
D. DNS server
E. Perimeter network

Answer: D

Explanation:
The Domain Name System (DNS) is responsible for translating domain names into IP addresses. By blocking malicious sites from resolving correctly, the DNS server is able to prevent the user from accessing those sites. Therefore, the DNS server setting on the user's router needs to be changed to enable this functionality123.

NEW QUESTION # 172
Which of the following is a scenario in which an F-type connector would be used?

A. An internet service provider is installing service for a client.
B. A user is purchasing a charging cable for a laptop.
C. A technician is making a serial connection to a hardware device
D. An electrician is upgrading the service on an electrical panel.

Answer: A

Explanation:
An F-type connector is a coaxial RF connector that is commonly used for cable television, satellite television, and cable modems. An internet service provider (ISP) may use an F-type connector to connect the coaxial cable from the wall outlet to the cable modem or the set-top box.
The F-type connector has a threaded interface that provides a secure and reliable connection.
The F-type connector can also support high-frequency signals up to several GHz, which can deliver high-speed internet and high-definition television.

NEW QUESTION # 173
A developer is requesting permission to utilize client-side virtualization. The developer would like to write code in a setting isolated from other infrastructure to avoid negative impacts of experimental code. Which of the following provides the best solution for the developer?

A. Sandbox environment
B. Software compatibility
C. Cross-platform functionality
D. Test case development

Answer: A

Explanation:
The best solution for the developer is D. Sandbox environment.
Client-side virtualization is a technology that allows users to run multiple operating systems and applications on the same device, without affecting the host system or the network1. A sandbox environment is a type of client-side virtualization that creates a secure and isolated space for testing, debugging, or experimenting with code, without risking any damage or interference to the rest of the system2.
A sandbox environment can provide several benefits for the developer, such as23:
* It can simulate different scenarios and conditions for the code, such as different operating systems, browsers, devices, network settings, etc.
* It can protect the code from external threats, such as malware, hackers, or unauthorized access.
* It can prevent the code from affecting other applications or processes on the device or the network, such as consuming resources, causing errors, or leaking data.
* It can allow the developer to easily revert any changes or restore the original state of the system, if something goes wrong.
Therefore, a sandbox environment can provide the best solution for the developer who wants to write code in a setting isolated from other infrastructure to avoid negative impacts of experimental code.
Reference:
1: Client-side Virtualization - CompTIA A+ 220-1001 - 4.2
2: What is a Sandbox Environment? | VMware Glossary
3: What is Sandbox Testing? - Definition from Techopedia

NEW QUESTION # 174
Which of the following protocols requires port 3389 to be open?

A. LDAP
B. RDP
C. SMB
D. DNS

Answer: B

NEW QUESTION # 175
After a technician updated the wireless APs to 5GHz, users report they have degraded Wi-Fi performance. The technician tests for interference but finds none. Which of the following should the technician do next?

A. Switch the Wi-Fi back to the 2.4GHz frequency.
B. Upgrade the wireless drivers on the users' devices.
C. Select a different channel.
D. Add more access points for better coverage.

Answer: D

Explanation:
A: Select a different channel: Useful for interference resolution but not coverage improvement. Incorrect.
B: Switch the Wi-Fi back to 2.4GHz frequency: This downgrades the network speed, which isn't a preferred solution. Incorrect.
C: Upgrade the wireless drivers on the users' devices: Unlikely to resolve coverage issues. Incorrect.
D: Add more access points for better coverage: Improves coverage in areas where 5GHz struggles. Correct.
Explanation:
Step by Step Detailed Comprehensive Explanation with All CompTIA Reference:
Analysis of the Problem:
Switching to the 5GHz frequency improves speed but decreases range and penetration through walls compared to 2.4GHz.
Users experience degraded performance likely due to poor coverage at the 5GHz range.
Option Evaluation:

NEW QUESTION # 176
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