{"id":22289,"date":"2026-09-25T12:10:53","date_gmt":"2026-09-25T12:10:53","guid":{"rendered":"https:\/\/www.examlabs.com\/certification\/?p=22289"},"modified":"2026-09-25T12:10:53","modified_gmt":"2026-09-25T12:10:53","slug":"comptia-a-220-1101-practice-test-questions-and-exam-dumps-part12-q221-q240","status":"publish","type":"post","link":"https:\/\/www.examlabs.com\/certification\/comptia-a-220-1101-practice-test-questions-and-exam-dumps-part12-q221-q240\/","title":{"rendered":"CompTIA A+ 220-1101 Practice Test Questions and Exam Dumps Part12 Q221-Q240"},"content":{"rendered":"

View Full <\/b>CompTIA A+ 220-1101 Exam Dumps<\/b><\/a> and Practice Test Dumps<\/b><\/h2>\n

 <\/p>\n

Question 221.<\/b><\/h3>\n

Which connector is commonly used for processor power?<\/b><\/p>\n

    \n
  1. SATA power<\/span><\/li>\n
  2. 24-pin ATX<\/span><\/li>\n
  3. Molex<\/span><\/li>\n
  4. EPS12V<\/span><\/li>\n<\/ol>\n

    Correct Answer: 4<\/b><\/p>\n

    Explanation:<\/b><\/p>\n

    The EPS12V connector provides dedicated power to the processor and is commonly connected near the CPU socket on a desktop motherboard. It supplies the processor with the electrical power required for operation. The 24-pin ATX connector provides primary motherboard power, SATA power connectors supply compatible storage devices, and Molex connectors are associated with older internal peripherals. Technicians should verify that the power supply includes the appropriate EPS12V connector and that it is firmly connected. A missing or improperly connected CPU power cable can cause a system to fail to start or behave unpredictably.<\/span><\/p>\n

    Question 222.<\/b><\/h3>\n

    Which device provides sound output from a computer?<\/b><\/p>\n

      \n
    1. Speaker<\/span><\/li>\n
    2. Scanner<\/span><\/li>\n
    3. Webcam<\/span><\/li>\n
    4. Barcode reader<\/span><\/li>\n<\/ol>\n

      Correct Answer: 1<\/b><\/p>\n

      Explanation:<\/b><\/p>\n

      Speakers convert electrical audio signals into audible sound and are commonly used as an output device for computers. They may be built into laptops and monitors or connected externally through analog, USB, Bluetooth, or other interfaces. A scanner captures documents, a webcam captures video, and a barcode reader captures encoded product information. When troubleshooting missing audio, technicians should check volume settings, selected output devices, drivers, physical connections, and application-specific audio settings. External speakers may also require their own power source depending on their design.<\/span><\/p>\n

      Question 223.<\/b><\/h3>\n

      Which storage connection uses a 15-pin power plug?<\/b><\/p>\n

        \n
      1. IDE power<\/span><\/li>\n
      2. Berg power<\/span><\/li>\n
      3. SATA power<\/span><\/li>\n
      4. EPS12V<\/span><\/li>\n<\/ol>\n

        Correct Answer: 3<\/b><\/p>\n

        Explanation:<\/b><\/p>\n

        SATA power connectors use a 15-pin design and provide power to compatible SATA storage devices. The connector supplies multiple voltage levels required by modern SATA drives. IDE-era Molex connectors use a different four-pin design, Berg connectors were commonly used with floppy drives, and EPS12V connectors provide processor power. Technicians should distinguish SATA power from the smaller SATA data connector because both are typically required for a SATA drive installation. Correctly identifying these connectors helps prevent installation errors and ensures that storage devices receive the appropriate electrical supply.<\/span><\/p>\n

        Question 224.<\/b><\/h3>\n

        Which component stores startup firmware instructions?<\/b><\/p>\n

          \n
        1. RAM<\/span><\/li>\n
        2. ROM<\/span><\/li>\n
        3. Cache<\/span><\/li>\n
        4. VRAM<\/span><\/li>\n<\/ol>\n

          Correct Answer: 2<\/b><\/p>\n

          Explanation:<\/b><\/p>\n

          ROM, or Read-Only Memory, is traditionally associated with nonvolatile firmware storage that contains instructions required for hardware initialization and startup. Modern computers commonly use flash memory for firmware because it can be updated while retaining data without power. RAM is volatile working memory, cache provides fast processor-access storage, and VRAM is dedicated to graphics operations. Technicians should understand that the term ROM may describe firmware storage conceptually even when the actual implementation uses rewritable flash memory. Firmware problems can affect hardware initialization and operating-system startup.<\/span><\/p>\n

          Question 225.<\/b><\/h3>\n

          Which wireless technology is designed for contactless payments?<\/b><\/p>\n

            \n
          1. Bluetooth<\/span><\/li>\n
          2. Wi-Fi<\/span><\/li>\n
          3. NFC<\/span><\/li>\n
          4. Infrared<\/span><\/li>\n<\/ol>\n

            Correct Answer: 3<\/b><\/p>\n

            Explanation:<\/b><\/p>\n

            Near Field Communication, or NFC, is designed for very short-range wireless communication and is widely used for contactless payments. NFC devices can exchange information when brought within close proximity, making the technology suitable for payment terminals, access credentials, and quick device interactions. Bluetooth supports broader short-range peripheral communication, Wi-Fi provides local network connectivity, and infrared uses light-based communication requiring suitable alignment. Technicians should recognize NFC when configuring mobile devices or troubleshooting contactless functions. Secure payment implementations also depend on device software, authentication, and the payment service being used.<\/span><\/p>\n

            Question 226.<\/b><\/h3>\n

            Which component converts digital instructions into graphical output?<\/b><\/p>\n

              \n
            1. Network adapter<\/span><\/li>\n
            2. GPU<\/span><\/li>\n
            3. Sound card<\/span><\/li>\n
            4. Storage controller<\/span><\/li>\n<\/ol>\n

              Correct Answer: 2<\/b><\/p>\n

              Explanation:<\/b><\/p>\n

              A graphics processing unit, or GPU, processes graphical data and generates output for display devices. It can be integrated into the processor or motherboard platform or installed as a discrete graphics card. A network adapter handles network communication, a sound card processes audio, and a storage controller manages communication with storage devices. GPUs are important for applications involving gaming, video editing, 3D rendering, and other graphics-intensive workloads. Technicians should consider GPU compatibility, available power, cooling requirements, display connectors, and driver support when installing or troubleshooting graphics hardware.<\/span><\/p>\n

              Question 227.<\/b><\/h3>\n

              Which protocol assigns a hostname to an IP address?<\/b><\/p>\n

                \n
              1. DNS<\/span><\/li>\n
              2. DHCP<\/span><\/li>\n
              3. FTP<\/span><\/li>\n
              4. RDP<\/span><\/li>\n<\/ol>\n

                Correct Answer: 1<\/b><\/p>\n

                Explanation:<\/b><\/p>\n

                DNS provides name-resolution services that associate hostnames and domain names with IP addresses. This allows users and applications to locate network resources using readable names rather than numerical addresses. DHCP assigns network configuration information to clients, FTP transfers files, and RDP provides remote graphical access to compatible systems. DNS can perform forward lookups from names to addresses and reverse lookups from addresses to names. Technicians troubleshooting name-resolution problems should check DNS configuration, server availability, local resolver settings, and network connectivity.<\/span><\/p>\n

                Question 228.<\/b><\/h3>\n

                Which connector is commonly found on modern reversible USB devices?<\/b><\/p>\n

                  \n
                1. USB Type-A<\/span><\/li>\n
                2. USB Type-B<\/span><\/li>\n
                3. USB-C<\/span><\/li>\n
                4. Micro-USB<\/span><\/li>\n<\/ol>\n

                  Correct Answer: 3<\/b><\/p>\n

                  Explanation:<\/b><\/p>\n

                  USB-C is a reversible USB connector that can be inserted in either orientation. It is widely used on modern laptops, smartphones, tablets, docks, storage devices, and other peripherals. USB Type-A is a larger rectangular connector commonly found on computers and chargers, USB Type-B is often associated with printers and other peripherals, and Micro-USB is an older compact connector. USB-C capabilities can vary significantly, so technicians should verify whether a particular port supports data, charging, video output, or high-speed standards rather than assuming every USB-C port has identical functionality.<\/span><\/p>\n

                  Question 229.<\/b><\/h3>\n

                  Which technology provides multiple independent processor execution cores?<\/b><\/p>\n

                    \n
                  1. Hypervisor<\/span><\/li>\n
                  2. Multicore processing<\/span><\/li>\n
                  3. Virtual memory<\/span><\/li>\n
                  4. Disk caching<\/span><\/li>\n<\/ol>\n

                    Correct Answer: 2<\/b><\/p>\n

                    Explanation:<\/b><\/p>\n

                    Multicore processing places multiple physical processing cores within a single processor package. Each core can execute instructions independently, allowing compatible operating systems and applications to perform multiple tasks concurrently. A hypervisor manages virtual machines, virtual memory extends available memory through storage, and disk caching improves storage-access performance. More processor cores can benefit workloads designed for parallel execution, although application design and processor architecture also affect actual performance. Technicians should distinguish physical cores from logical processors created through technologies such as simultaneous multithreading.<\/span><\/p>\n

                    Question 230.<\/b><\/h3>\n

                    Which device protects equipment by providing temporary battery power?<\/b><\/p>\n

                      \n
                    1. UPS<\/span><\/li>\n
                    2. Surge strip<\/span><\/li>\n
                    3. Power adapter<\/span><\/li>\n
                    4. Transformer<\/span><\/li>\n<\/ol>\n

                      Correct Answer: 1<\/b><\/p>\n

                      Explanation:<\/b><\/p>\n

                      An uninterruptible power supply, or UPS, provides temporary battery-backed power when normal electrical service is interrupted. It can keep connected equipment operating for a limited period and may allow users or automated systems to perform a controlled shutdown. A surge strip primarily helps protect against voltage spikes, a power adapter converts or supplies electrical power for a specific device, and a transformer changes voltage levels. UPS devices are particularly useful for computers, networking equipment, and other systems where sudden power loss could cause data corruption or service interruption.<\/span><\/p>\n

                      Question 231.<\/b><\/h3>\n

                      Which protocol is used to retrieve email from a mail server?<\/b><\/p>\n

                        \n
                      1. SMTP<\/span><\/li>\n
                      2. POP3<\/span><\/li>\n
                      3. SNMP<\/span><\/li>\n
                      4. SMB<\/span><\/li>\n<\/ol>\n

                        Correct Answer: 2<\/b><\/p>\n

                        Explanation:<\/b><\/p>\n

                        POP3, or Post Office Protocol version 3, is used by email clients to retrieve messages from a mail server. Depending on configuration, downloaded messages may be removed from the server or retained. SMTP is primarily used for sending email, SNMP is used for network monitoring and management, and SMB supports file and printer sharing. Technicians troubleshooting email clients should verify server names, ports, authentication settings, encryption requirements, and account credentials. Modern deployments may also use IMAP when users need synchronized access to messages across multiple devices.<\/span><\/p>\n

                        Question 232.<\/b><\/h3>\n

                        Which component provides persistent storage for operating system files?<\/b><\/p>\n

                          \n
                        1. RAM<\/span><\/li>\n
                        2. CPU cache<\/span><\/li>\n
                        3. Storage drive<\/span><\/li>\n
                        4. Register<\/span><\/li>\n<\/ol>\n

                          Correct Answer: 3<\/b><\/p>\n

                          Explanation:<\/b><\/p>\n

                          A storage drive provides persistent storage for operating-system files, applications, user documents, and other information. Common storage technologies include SSDs and HDDs. Unlike RAM and processor cache, storage drives retain their contents when the computer is powered off. CPU registers hold small amounts of information directly used during processor operations and are not intended for persistent data storage. Technicians should consider capacity, interface, performance, reliability, and operating-system compatibility when selecting storage. A failing storage drive can cause boot errors, application failures, corrupted files, and data-access problems.<\/span><\/p>\n

                          Question 233.<\/b><\/h3>\n

                          Which component manages voltage supplied to sensitive motherboard circuits?<\/b><\/p>\n

                            \n
                          1. VRM<\/span><\/li>\n
                          2. NIC<\/span><\/li>\n
                          3. GPU<\/span><\/li>\n
                          4. HBA<\/span><\/li>\n<\/ol>\n

                            Correct Answer: 1<\/b><\/p>\n

                            Explanation:<\/b><\/p>\n

                            A Voltage Regulator Module, or VRM, regulates electrical power supplied to components such as the processor. It converts and controls incoming voltage so that sensitive circuits receive an appropriate and stable supply. A NIC provides network connectivity, a GPU handles graphics processing, and an HBA provides host connectivity to compatible storage or communication devices. VRMs are especially important on modern motherboards because processors can require carefully controlled voltage levels. Technicians should consider VRM capability and cooling when working with high-performance processors or systems operating under sustained workloads.<\/span><\/p>\n

                            Question 234.<\/b><\/h3>\n

                            Which interface is commonly used to connect older analog monitors?<\/b><\/p>\n

                              \n
                            1. HDMI<\/span><\/li>\n
                            2. DisplayPort<\/span><\/li>\n
                            3. VGA<\/span><\/li>\n
                            4. USB-C<\/span><\/li>\n<\/ol>\n

                              Correct Answer: 3<\/b><\/p>\n

                              Explanation:<\/b><\/p>\n

                              VGA is a legacy analog video interface commonly used with older computer monitors and projectors. Its familiar DE-15 connector carries analog video signals and does not provide the same digital capabilities as modern interfaces. HDMI, DisplayPort, and compatible USB-C implementations can carry digital video. Technicians may encounter VGA when supporting older equipment or connecting legacy displays to modern computers. Because many newer systems lack native VGA ports, an appropriate active or passive adapter may be required depending on the source and destination interfaces.<\/span><\/p>\n

                              Question 235.<\/b><\/h3>\n

                              Which component provides network connectivity through a wired Ethernet port?<\/b><\/p>\n

                                \n
                              1. Wireless controller<\/span><\/li>\n
                              2. NIC<\/span><\/li>\n
                              3. Audio codec<\/span><\/li>\n
                              4. GPU<\/span><\/li>\n<\/ol>\n

                                Correct Answer: 2<\/b><\/p>\n

                                Explanation:<\/b><\/p>\n

                                A Network Interface Card, or NIC, provides network connectivity and can include a physical Ethernet port for wired communication. NICs may be integrated into a motherboard or installed as expansion devices. A wireless controller handles wireless communication, an audio codec processes sound signals, and a GPU processes graphics. Ethernet NICs support different speeds and standards, so technicians should verify compatibility with the connected switch, cable category, and network configuration. Driver installation, link indicators, duplex settings, and IP configuration are common troubleshooting considerations.<\/span><\/p>\n

                                Question 236.<\/b><\/h3>\n

                                Which technology allows multiple storage drives to appear as one array?<\/b><\/p>\n

                                  \n
                                1. RAID<\/span><\/li>\n
                                2. NFC<\/span><\/li>\n
                                3. Bluetooth<\/span><\/li>\n
                                4. HDMI<\/span><\/li>\n<\/ol>\n

                                  Correct Answer: 1<\/b><\/p>\n

                                  Explanation:<\/b><\/p>\n

                                  RAID combines multiple physical storage devices into a logical array according to a selected RAID level. Depending on the configuration, RAID can provide redundancy, improved performance, increased capacity, or combinations of these characteristics. NFC supports short-range communication, Bluetooth connects compatible wireless devices, and HDMI carries digital audio and video. Technicians should understand the specific RAID level before configuring or replacing drives because data layout and recovery procedures differ. RAID should not be treated as a complete backup strategy because it does not protect against every type of data loss.<\/span><\/p>\n

                                  Question 237.<\/b><\/h3>\n

                                  Which connector is commonly used for an external digital audio device?<\/b><\/p>\n

                                    \n
                                  1. RJ45<\/span><\/li>\n
                                  2. TOSLINK<\/span><\/li>\n
                                  3. SATA<\/span><\/li>\n
                                  4. PS\/2<\/span><\/li>\n<\/ol>\n

                                    Correct Answer: 2<\/b><\/p>\n

                                    Explanation:<\/b><\/p>\n

                                    TOSLINK is a common optical connector for transmitting digital audio between compatible devices. It uses light rather than electrical signals and can connect computers, televisions, receivers, sound systems, and other digital audio equipment. RJ45 is commonly associated with Ethernet networking, SATA connects internal storage devices, and PS\/2 is a legacy keyboard or mouse interface. When troubleshooting TOSLINK audio, technicians should verify that the optical cable is properly inserted, the correct output is selected, and both devices support the required digital audio format.<\/span><\/p>\n

                                    Question 238.<\/b><\/h3>\n

                                    Which technology enables a system to detect unauthorized boot software?<\/b><\/p>\n

                                      \n
                                    1. Secure Boot<\/span><\/li>\n
                                    2. Disk cleanup<\/span><\/li>\n
                                    3. File compression<\/span><\/li>\n
                                    4. Print spooling<\/span><\/li>\n<\/ol>\n

                                      Correct Answer: 1<\/b><\/p>\n

                                      Explanation:<\/b><\/p>\n

                                      Secure Boot is a UEFI-based security feature that validates boot components before allowing them to execute. It helps prevent unauthorized or improperly signed boot software from loading during startup. Disk cleanup removes unnecessary files, file compression reduces storage requirements, and print spooling manages queued print jobs. Secure Boot can be important in systems that require trusted startup components and protection against certain boot-level threats. Technicians should verify firmware configuration and operating-system compatibility when enabling or troubleshooting Secure Boot, especially after hardware or operating-system changes.<\/span><\/p>\n

                                      Question 239.<\/b><\/h3>\n

                                      Which component detects wireless network signals?<\/b><\/p>\n

                                        \n
                                      1. Ethernet switch<\/span><\/li>\n
                                      2. Wireless NIC<\/span><\/li>\n
                                      3. SATA controller<\/span><\/li>\n
                                      4. Audio amplifier<\/span><\/li>\n<\/ol>\n

                                        Correct Answer: 2<\/b><\/p>\n

                                        Explanation:<\/b><\/p>\n

                                        A wireless network interface controller, or wireless NIC, enables a computer to detect and communicate with compatible Wi-Fi networks. It handles wireless radio communication and works with the operating system’s networking stack and drivers. An Ethernet switch connects wired network devices, a SATA controller manages compatible storage communication, and an audio amplifier increases audio signal power. When troubleshooting wireless detection, technicians should check adapter status, drivers, antenna connections, wireless settings, supported standards, and nearby network availability. Interference and signal strength can also affect network discovery.<\/span><\/p>\n

                                        Question 240.<\/b><\/h3>\n

                                        Which component provides high-speed temporary storage for processor operations?<\/b><\/p>\n

                                          \n
                                        1. HDD<\/span><\/li>\n
                                        2. SSD<\/span><\/li>\n
                                        3. Cache<\/span><\/li>\n
                                        4. Optical disc<\/span><\/li>\n<\/ol>\n

                                          Correct Answer: 3<\/b><\/p>\n

                                          Explanation:<\/b><\/p>\n

                                          Processor cache provides extremely fast temporary storage for frequently accessed instructions and data. It is located within or very close to the CPU and operates faster than conventional system memory. Modern processors commonly use multiple cache levels, with smaller caches generally offering lower latency. HDDs and SSDs provide persistent storage, while optical discs are removable media. Cache helps reduce the time the processor spends waiting for frequently needed information. Technicians should understand the distinction between cache, RAM, and persistent storage when evaluating system architecture and processor performance.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

                                          View Full CompTIA A+ 220-1101 Exam Dumps and Practice Test Dumps   Question 221. Which connector is commonly used for processor power? SATA power 24-pin ATX Molex EPS12V Correct Answer: 4 Explanation: The EPS12V connector provides dedicated power to the processor and is commonly connected near the CPU socket on a desktop motherboard. It supplies […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1648,1647],"tags":[],"_links":{"self":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/22289"}],"collection":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/comments?post=22289"}],"version-history":[{"count":1,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/22289\/revisions"}],"predecessor-version":[{"id":22290,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/22289\/revisions\/22290"}],"wp:attachment":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/media?parent=22289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/categories?post=22289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/tags?post=22289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}