Latest training guide for CompTIA 220-1201

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CompTIA 220-1201 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Networking20%- Network fundamentals
  • 1. TCP/IP concepts
    • 2. Wi-Fi standards and configuration
      Topic 2: Hardware and Network Troubleshooting29%- Troubleshooting methodology
      • 1. Common hardware failure diagnosis
        • 2. Network connectivity troubleshooting
          Topic 3: Virtualization and Cloud Computing11%- Cloud computing concepts
          • 1. Types of cloud services (IaaS, SaaS, PaaS)
            • 2. Virtualization basics
              Topic 4: Hardware25%- PC hardware components
              • 1. Motherboards, CPUs, and memory
                • 2. Storage devices and power systems
                  Topic 5: Mobile Devices15%- Mobile device hardware and components
                  • 1. Mobile device accessories and connectivity
                    • 2. Smartphones and tablets configuration

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                      CompTIA A+ Certification Exam: Core 1 Sample Questions (Q185-Q190):

                      NEW QUESTION # 185
                      Every day for a week, when a user turns on their computer, the time is wrong. A technician corrects the time, but the issue happens again. Which of the following is most likely the cause of the issue?

                      Answer: C

                      Explanation:
                      A faulty CMOS battery causes the system to lose time and BIOS settings when powered off, resulting in the computer resetting to the wrong time each time it is turned on.


                      NEW QUESTION # 186
                      Which of the following will most likely be used in a testing environment to execute unauthorized or experimental code without affecting production systems?

                      Answer: C

                      Explanation:
                      CompTIA A+ strongly emphasizes that virtual machines (VMs) are ideal for testing potentially unsafe software, malware samples, or experimental code because they isolate the environment from the host system.
                      VMs allow snapshots, cloning, and rollback functionality, which makes them essential in development, QA, and cybersecurity environments where code might be unstable or harmful.
                      Hybrid cloud refers to infrastructure strategy, not code execution isolation. Load balancers distribute production traffic but have no testing or sandboxing purpose. Application gateways filter traffic but do not provide execution environments.
                      Virtual machines create a safe sandbox where failure, infection, or corruption is contained. This is covered in the Virtualization and Cloud Computing domain of the CompTIA A+ exam, making VMs the correct tool for executing unauthorized code safely.


                      NEW QUESTION # 187
                      A technician needs to configure an MX record. Which of the following will the technician use?

                      Answer: C

                      Explanation:
                      An MX, or Mail Exchanger, record is a type of DNS resource record. It identifies the mail server responsible for accepting email for a particular domain. Consequently, an MX record is created or modified in the domain's DNS zone, which is hosted on a DNS server.
                      Although the MX record points to a mail server, the record itself is configured through DNS. The mail server is the destination identified by the record, not the service in which the DNS record is stored.
                      A proxy server intermediates network requests, commonly for filtering, caching, or privacy.
                      A mail server sends, receives, and stores email, but DNS tells other systems how to locate it.
                      A print server manages printers and print jobs.
                      CompTIA objective 2.4 specifically includes DNS record types such as A, AAAA, CNAME, MX, and TXT. Microsoft also defines an MX record as a DNS resource record that identifies a domain's mail server.


                      NEW QUESTION # 188
                      A student configures a wireless SOHO network to connect four laptops and one multifunction printer. Which setting ensures the printer is always available?

                      Answer: D

                      Explanation:
                      Static IP for the printer: A printer needs a consistent, unchanging IP address so that all computers on the network can reliably locate and connect to it. If the printer's IP address changes (as it would with dynamic IP addressing), the computers lose their connection and need to be reconfigured.
                      Dynamic IPs for laptops: Laptops are mobile devices that connect and disconnect frequently.
                      Using Dynamic Host Configuration Protocol (DHCP) to assign them dynamic IP addresses is efficient and standard practice, as they do not need a permanent address to function on the network.
                      Same subnet: All devices must be on the same network subnet to communicate directly in a SOHO environment. .


                      NEW QUESTION # 189
                      Which of the following connectors can be used to charge most modern mobile devices and may have the capacity to send data audio and video?

                      Answer: A

                      Explanation:
                      B . USB-C:
                      USB-C is a versatile connector that supports charging, high-speed data transfer, and the ability to send audio and video signals (e.g., DisplayPort over USB-C).
                      It is used by most modern mobile devices and laptops because of its fast transfer speeds and power delivery capabilities.
                      Incorrect Options:
                      A . Lightning: Lightning is proprietary to Apple devices and does not natively support video output.
                      C . MicroUSB: MicroUSB is outdated and does not support video output.
                      D . MiniUSB: MiniUSB is an older standard and does not support modern features like video output or fast charging.
                      Key Takeaway: USB-C is the most versatile connector for charging and transferring data, audio, and video.


                      NEW QUESTION # 190
                      ......

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