CompTIA A+ Core 1 (220-1201)
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Exam Overview
The CompTIA A+ Core 1 (220-1201) certification is the essential starting point for any aspiring IT professional. It validates foundational knowledge and skills required for entry-level IT support roles, covering core hardware components, networking fundamentals, mobile devices, and virtualization. Achieving this certification demonstrates your ability to troubleshoot, maintain, and manage various computing environments, making you a highly desirable candidate in today's technology-driven job market. It's vendor-neutral, ensuring your skills are applicable across diverse platforms and systems. Earning your A+ signifies a commitment to professional development and provides a robust stepping stone for further specialized IT certifications and career advancement.
Questions
Up to 90
Passing Score
675 (on a scale of 100-900)
Duration
90 Minutes
Difficulty
Beginner
Level
Associate
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Free Study Guide Samples
Previewing updated 220-1201 bank (94 Questions).
An end user reports that their laptop has a blank screen. A technician observes the keyboard lights are on, and the fan is running. Which of the following should the technician do next?
Correct Option: D
โ
Option D (Correct)
Reasoning: Connecting to an external monitor is the most logical and least invasive next step. If the external monitor displays an image, the problem lies with the laptop's integrated display assembly (screen, ribbon cable, or backlight). If the external monitor also shows no image, the issue points to the graphics processing unit or motherboard, narrowing down further troubleshooting.
โ Why the other choices are incorrect:
- Option A is incorrect: Checking the display ribbon cable involves disassembling the laptop, which is an invasive step. It should only be performed after ruling out simpler external display issues.
- Option B is incorrect: Contacting vendor support is premature. Basic troubleshooting steps, like connecting an external monitor, should be exhausted first to diagnose the problem.
- Option C is incorrect: Replacing the inverter is for older CCFL backlights and requires opening the laptop. This is an invasive repair, not a diagnostic step, and many modern laptops use LED backlights which do not have inverters.
Reference: https://www.comptia.org/certifications/a
Which of the following minimizes the time it takes to connect a display, keyboard, mouse, and network cable to a laptop?
Correct Option: B
โ Option B (Correct)
Reasoning: A port replicator, often synonymous with a basic docking station, is specifically designed to simplify the connection of multiple peripherals (like a display, keyboard, mouse, and network cable) to a laptop. It allows a user to connect all these devices to the replicator once, and then connect the replicator to the laptop via a single cable (e.g., USB-C, proprietary docking port), significantly minimizing setup and teardown time.
โ Why the other choices are incorrect:
- Option A is incorrect: The Lightning interface is a proprietary connector developed by Apple, primarily used for mobile devices (iPhones, iPads) and some accessories. It is not a standard solution for connecting a full suite of desktop peripherals to a laptop to minimize connection time.
- Option C is incorrect: A USB hub primarily expands the number of available USB ports, allowing multiple USB devices (like a keyboard and mouse) to be connected. While some advanced USB-C hubs might offer display and network connectivity, the term "USB hub" alone does not encompass the comprehensive port expansion for display, network, and multiple USB devices in the same way a dedicated port replicator or docking station does for efficient single-connection setup.
- Option D is incorrect: Bluetooth is a wireless communication technology. While it can connect devices like a keyboard and mouse wirelessly, it does not provide connectivity for a wired display or a wired network cable. Its purpose is wireless convenience, not minimizing physical cable connection time for a comprehensive set of wired peripherals.
Reference: https://www.comptia.org/docs/default-source/it-pros/comptia-a-plus-220-1101-exam-objectives.pdf
A multifunction printer in a small office recently had issues with scan-to-email functionality. The manufacturer has an update ready to fix the printer issues. Which of the following would a technician most likely deploy to remediate the issue?
Correct Option: A
The issue described is with the multifunction printer's internal scan-to-email functionality, and the manufacturer has an update ready to fix the printer issues. Firmware is the embedded software that controls the core operations and features of a hardware device like a printer. Problems with internal functionalities, especially network-dependent ones such as scan-to-email, are frequently addressed and resolved by firmware updates provided by the manufacturer. These updates directly modify the printer's internal programming, fixing bugs, improving performance, and enhancing stability.
- B: Driver is incorrect because drivers facilitate communication between an operating system and a peripheral. While essential for a computer to use the printer, they typically do not resolve issues with the printer's standalone or network-based internal functions like scan-to-email, which the printer handles independently.
- C: OS update is incorrect because this generally refers to an update for a client operating system (e.g., Windows, macOS), which would not directly fix an issue with the printer's internal functionality. If it were referring to the printer's internal operating system, that would essentially be firmware.
- D: HSM (Hardware Security Module) is incorrect because it is a device used for cryptographic key management and security, which is entirely unrelated to fixing printer functionality issues.
Reference: https://www.hp.com/us-en/shop/tech-takes/what-is-printer-firmware
A technician is setting up a new SOHO wireless router. According to security best practices, which of the following should the technician do first?
Correct Option: C
✅ Option C (Correct)
Changing the default password is the most critical and immediate security best practice when setting up a new SOHO wireless router. Default credentials (usernames and passwords) are widely known and easily exploitable. If not changed, an attacker can gain administrative access to the router, allowing them to reconfigure settings, disable security features like encryption, or create backdoors, thus compromising the entire network.
❌ Why the other choices are incorrect:
- Option A is incorrect: While enabling encryption (e.g., WPA3 or WPA2) is essential for wireless network security, it comes *after* securing the router's management interface itself. If the default password is not changed, an attacker could log in and disable or weaken the encryption settings.
- Option B is incorrect: Assigning a static IP address to the router is a network configuration choice that might be done for management or specific network setups, but it is not a primary or initial security best practice. It doesn't address the immediate vulnerability of default administrative access.
- Option D is incorrect: Resetting the router would revert it to its factory default settings, which includes the insecure default password that needs to be changed. It is counterproductive to reset a new router as the first step for security, as it would just bring it back to the vulnerable state you are trying to secure.
Reference: CompTIA A+ Core 1 (220-1201) objectives cover network security best practices, including securing router administration. Refer to official CompTIA study guides or network security documentation regarding initial router setup procedures.
Which of the following can carry data and electricity to network devices? (Choose two.)
Correct Option: B,E
โ Option B (Correct)
A PoE injector is a device that adds electrical power to an Ethernet data cable, allowing it to power compliant network devices (e.g., IP cameras, wireless access points) over the same cable that carries data.
โ Option E (Correct)
PoE (Power over Ethernet) is a networking standard that allows network cables to carry electrical power simultaneously with data. Devices that implement PoE, such as PoE switches or injectors, are designed to deliver both data and power to compatible network devices.
โ Why the other choices are incorrect:
- Option A is incorrect: A router forwards data packets but does not typically supply electricity to other network devices via the data cable.
- Option C is incorrect: A cable modem provides internet access and carries data, but it does not supply electricity to other network devices over the data cable.
- Option D is incorrect: An access point typically receives data and power (often via PoE) to provide wireless connectivity; it does not carry electricity to other network devices.
- Option F is incorrect: An unmanaged switch primarily forwards data. While some unmanaged switches can be PoE-enabled, the term 'unmanaged switch' alone does not imply the capability to carry electricity to network devices.
Reference: https://www.comptia.org/docs/default-source/it-cert-doc/compTIA_A_Plus_Core_1_Exam_Objectives_220-1201.pdf
A company deploys its infrastructure in self-operated data centers. The company recently migrated some of its applications to a public cloud. Which of the following most accurately describes the cloud model the company is following?
Correct Option: B
โ
Option B (Correct)
Reasoning: A hybrid cloud model integrates on-premises infrastructure (often referred to as a private cloud) with public cloud services. The scenario explicitly states the company uses "self-operated data centers" (private) and has "migrated some of its applications to a public cloud." This combination of private and public resources precisely defines a hybrid cloud, enabling workload flexibility and resource optimization across both environments.
โ Why the other choices are incorrect:
- Option A is incorrect: A public cloud relies entirely on third-party providers. The company's continued use of self-operated data centers precludes it from being solely a public cloud model.
- Option C is incorrect: A community cloud is shared by multiple organizations with common interests. The scenario describes a single company's infrastructure, not a shared community.
- Option D is incorrect: A private cloud is dedicated solely to one organization. While the company has private infrastructure, its additional use of a public cloud means "private" alone is not the most accurate overall description.
Reference: https://www.comptia.org/certifications/a-plus
A technician is setting up a new multifunction device to be used over a shared network connection. Copier functions need to be restricted to only office employees. Which of the following should the technician perform after configuring the device to use a print server that exists on the domain?
Correct Option: C
The question specifies that copier functions need to be restricted to only office employees. After configuring a multifunction device to use a print server on the domain, the most direct and effective method to enforce such restrictions is through user authentication. Implementing user authentication on the device itself (e.g., requiring users to log in with their domain credentials, a PIN, or badge swipe) allows the device to identify who is attempting to use the copier functions. Once users are authenticated, access control policies can be applied to permit or deny their use of specific features like copying, scanning, or faxing, thereby ensuring only authorized office employees can access them.
Reference: https://www.comptia.org/docs/default-source/it-pros/comptia-a-220-1101-exam-objectives.pdf
Which of the following networking devices is used to create a mesh network?
Correct Option: C
An Access point, particularly in the context of a mesh Wi-Fi system, is the device used to create a mesh network. Mesh networks consist of multiple access points (often called mesh nodes) that communicate with each other to form a single, seamless, and resilient wireless network. Each node in a mesh network acts as a relay, extending the network coverage and providing redundant paths for data transmission.
Why other options are incorrect:
- A: Modem is a device that modulates and demodulates signals to transmit data over a communication medium (e.g., cable, DSL). It's primarily used to connect a home network to an ISP.
- B: DSL (Digital Subscriber Line) is a technology used to transmit digital data over telephone lines. It's an internet connection type, not a networking device used to create a mesh network.
- D: ONT (Optical Network Terminal) is a device used in fiber-optic networks (Fiber to the Home - FTTH) to convert optical signals into electrical signals for local devices. It serves a similar function to a modem but for fiber connections.
Reference: https://www.comptia.org/certifications/a
Which of the following display technologies typically provides the highest contrast?
Correct Option: B
OLED (Organic Light Emitting Diode) technology provides the highest contrast among the listed options. This is because each individual pixel in an OLED display emits its own light and can be completely turned off, resulting in true black levels. When a pixel is off, it produces no light at all, leading to an 'infinite' or exceptionally high contrast ratio, where the difference between the brightest white and the darkest black is maximized.
IPS (In-Plane Switching) panels offer excellent color accuracy and wide viewing angles but typically have moderate contrast ratios. TN (Twisted Nematic) panels are known for fast response times but suffer from poor viewing angles and lower contrast. VA (Vertical Alignment) panels generally offer better contrast than IPS and TN due to their ability to block light more effectively, but they cannot achieve the perfect blacks and infinite contrast of OLED displays.
Reference: https://www.comptia.org/certifications/a
Which of the following types of RAM would most likely be used in a server?
Correct Option: B
โ Option B (Correct)
Reasoning: ECC (Error-Correcting Code) RAM is specifically designed to detect and correct memory errors, which is critical for servers and high-end workstations where data integrity and system stability are paramount. Servers require high reliability and uptime, making ECC memory a standard and crucial component to prevent data corruption and system crashes caused by memory errors.
โ Why the other choices are incorrect:
- Option A is incorrect: SODIMM (Small Outline Dual In-line Memory Module) is a physically smaller form factor of RAM primarily used in laptops and small form factor devices, not typically in standard enterprise servers which use full-size DIMMs.
- Option C is incorrect: Unbuffered RAM (also known as unregistered RAM) is common in consumer-grade PCs. Servers, especially those with high memory capacities or multiple memory modules per channel, often use buffered or registered RAM (RDIMM) to enhance stability and reduce electrical load on the memory controller, which is more robust than unbuffered RAM.
- Option D is incorrect: DDR3 is a generation of RAM technology. While some older servers may still utilize DDR3, it describes the technology generation (like DDR4 or DDR5), not a specific feature or type like ECC that differentiates server RAM in terms of reliability and functionality. The question asks for a 'type' most likely used, and ECC refers to a crucial functional characteristic for servers.
Reference: https://www.comptia.org/certifications/a
A company migrates a local application to an internal cloud platform. Which of the following best describes this cloud platform?
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A user purchases a new mobile phone and tries to connect it to the corporate communications and email applications without success. Which of the following should a technician do to allow the phone to connect?
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Which of the following is the ability to automatically increase and decrease instances based on demand?
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A technician sets up secure print and configures an NFC device that will authenticate users for access. Which of the following will the NFC device most likely use to authenticate?
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A customer recently lost data due to several unexpected shutdowns. Data integrity is important to the customer. Which of the following features should the technician choose to prevent data loss?
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Which of the following allows a physical server to host multiple virtual machines?
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Which of the following virtualization technologies is best suited for running microservices?
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An IT specialist sets up a new computer for a user who requires a high-end video card and the fastest hard drive possible. Which of the following connectors should the specialist verify are available on the motherboard? (Choose two.)
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Which of the following tools is best to track where an Ethernet cable is patched?
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A userโs phone does not respond to touch. A technician inspects the phone but does not see any evidence of physical damage. The technician restarts the device, which does not fix the issue. Which of the following components should the technician examine next?
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A user is having trouble with the location services on their smartphone. Location-based applications show incorrect positions when the user is traveling. This issue affects the user's ability to navigate and use location-dependent applications. Which of the following is the best way to resolve this issue?
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A user can connect their laptop to the internet in the main office. However, when the user places the laptop on top of a motor on the factory floor, there is no internet connectivity. Which of the following is the most likely cause of this issue?
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Which of the following is a characteristic of an NVMe drive?
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Which of the following connector types is associated with coaxial terminations serving cable internet deployments?
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A technician receives several complaints from the same office about VoIP calls sounding broken up, being difficult to hear, and having lagging audio. The technician arrives on-site and runs an internet speed test on several wired and wireless computers. Internet speed seems normal throughout the office. Which of the following should the technician do to fix the call issues?
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A technician needs to update a web serverโs IPv4 address in a DNS server. Which of the following records should the technician update?
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A technician needs to prepare a conference room for a meeting. The technician connects the laptop to the LCD projector and audio system, and then verifies the connectivity of each device. The meeting begins, but the visual presentation suddenly cuts off 30 minutes later. The audio continues to play without interruption. The technician brings in a backup laptop and connects it to the projector. The meeting continues without issue for 15 minutes until the presentation suddenly cuts off again. Which of the following should the technician do to resolve this issue?
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A technician installs an upgraded wireless access point. The technician then notices the activity light comes on briefly and turns off. The access point continues to exhibit this behavior repeatedly and does not come online. Which of the following is the most likely cause of this issue?
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A technician is setting up a workstation. Which of the following settings should the technician configure to ensure that users can connect to the network? (Choose three.)
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A major retailer is moving its online shopping website to the cloud and wants to expand its server resources as needed during busier shopping days. Which of the following should the retailer consider?
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A network printer does not release a user's final print job from the queue, but the user's other print jobs successfully printed a few moments before. Other users can print without issues. Which of the following should the user check first to solve the issue?
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A technician is troubleshooting a workstation that repeatedly shuts down within ten minutes of being turned on. The technician notices a loud clicking sound coming from inside the case. Which of the following components should the technician check first?
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Which of the following is related to the creation of a secured communication channel between workstations in different locations and is supported by credentials for authentication?
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Which of the following allows for a beam of light to transmit data through a flexible cable?
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An IT specialist is setting up a new, custom computer. The specialist wants to minimize the number of power cables to keep the internal components organized and uncluttered. Which of the following power supply types should the specialist use?
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A company policy change requires all computers to be encrypted. Which of the following technologies should a technician configure to meet this new requirement?
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A company wants to use cloud services with the requirement that data will reside on physical hardware that will not be shared with other companies. Which of the following meets this requirement?
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A user connects a company-issued laptop to a 4K TV but can only get 1080p resolution on the TV. The technician confirms that the laptop is capable of producing a 4K output. Which of the following the most likely cause of the issue?
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A user cannot see the office multifunction printer in their laptop's print options. They have printed to the device in the past successfully. The userโs laptop is connected to the guest wireless network. Other users on both wireless and wired computers can see and print to the printer. Which of the following will fix the issue?
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A technician receives a notification after a network outage that indicates the printer is not reachable. Which of the following printer settings should the technician implement to prevent this issue in the future?
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Which of the following network technologies is used for the operation of physical access control systems?
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A technician wants to evaluate several desktop Linux OSs simultaneously. Which of the following is the best way to accomplish this task?
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A user asks a technician for assistance with a printer that has stopped printing. The user states that the print jobs are generated from a website and are difficult to re-create. When the technician remotes into the user's computer, they can see many jobs in the queue. The issue persists after the user performs a hard reset of the printer. Which of the following will most likely fix the issue?
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A user reports that a laptop runs very slowly when documents are opened and saved. The user got the laptop within the past year. A technician finds the following specifications for the laptop:
- Intel Core i5-1235U -
- Windows 11 Home -
- Intel Iris Xe Graphics -
1TB 7200RPM
16GB: 2 x 8GB DDR4 2666
The technician thinks a minor upgrade should solve the slow performance issue. Which of the following components should the technician install?
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SIMULATION
A user reports poor performance on the application server.
INSTRUCTIONS
Click on Server 1 and Server 2 and review the information presented in each chart to determine which drives need to be replaced.
Select the appropriate replacement drive that should be used, for the least performance degradation to the server.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
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A technician is troubleshooting an HDMI over Ethernet solution. The network link lights on the transmitter and receiver are both active. The TV that is connected to the receiver unit is getting audio, but video is intermittently flashing. Which of the following should the technician check next to find the source of the issue?
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A customer reports that internet browsing on their smartphone is fast at the beginning of the month but significantly slows down toward the end of the month. A technician examines the phone and finds multiple free cloud backup services running, with several gigabytes of personal data spread across each. Data availability is important to the customer. Which of the following is the best way to resolve the customer's issue?
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A user reports their company-provided smartphone does not have internet access when the user is in the parking lot. Which of the following should a technician check first?
A. 3G/4G/5G/LTE settings
B. SIM connection
C. Hotspot capability
D. GPS configuration
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A user reports slow performance when saving documents locally on a computer. A technician reviews the logs and notices entries showing S.M.
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Which of the following cable types is used to connect a display?
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A user purchases a new mobile phone and tries to connect it to the corporate communications and email applications without success. Which of the following should a technician do to allow the phone to connect?
A. Configure biometric security settings
B. Turn on LTE hotspot connectivity
C. Enroll the device in the MDM software.
D. Complete the company's BYOD training process
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A user is having issues displaying the contents of their laptop screen on a projector. The laptop is connected using an HDMI cable, but the screen displays a message indicating there is no signal. Which of the following should the technician do first to diagnose the issue?
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Which of the following virtualization technologies is best suited for running microservices?
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Which of the following best describes the purpose of a firewall?
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An IT specialist sets up a new computer for a user who requires a high-end video card and the fastest hard drive possible. Which of the following connectors should the specialist verify are available on the motherboard? (Choose two.)
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A customer's laptop has been randomly shutting down. The laptop charges intermittently, and the screen dims when the laptop is not charging. Which of the following is the most likely cause of the issue?
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A major retailer is moving its online shopping website to the cloud and wants to expand its server resources as needed during busier shopping days. Which of the following should the retailer consider?
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Which of the following DNS record types is used to identify an email server?
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Which of the following uses a small and portable private network to allow multiple wireless devices to share an internet connection?
A. Bluetooth
B. Hotspot
C. Tethering
D. NFC
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Which of the following is used to register inputs on a touch-screen monitor?
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A user's company-issued smartphone is swollen and will not fit in its protective enclosure. Which of the following would a technician most likely do?
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When traveling in another country, a user is unable to receive calls or emails on their mobile phone. Which of the following should the technician verify is enabled on the user's device?
A. Bluetooth connectivity
B. International eSIM
C. Personal hotspot
D. Domestic calling plan
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A customer uses multipart forms in a dot matrix printer. They report that nothing prints on the top page of the multipart form, but the bottom pages print fine. Which of the following should a technician do to resolve the issue?
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Which of the following uses a small and portable private network to allow multiple wireless devices to share an internet connection?
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A user's smartphone battery drains faster than usual even when not in use. The smartphone also feels unusually hot. Which of the following should be done first to troubleshoot the issue?
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Which of the following DNS records should a technician configure to allow domains that are not owned by the company to send messages on the company's behalf?
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An office manager reports that a printer is experiencing performance issues. All double-sided printouts are getting stuck in the printer and must be manually removed. Additionally, there are streaks of faded text running down each page.
INSTRUCTIONS
Using the dropdown menus, select from the available printer parts to replace only the faulty components on the office printer to resolve the stated issues.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
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An office is experiencing frequent wireless outages and slow network speeds. A technician confirms that all wireless devices are experiencing the same symptoms. Which of the following should the technician do to determine whether the issue is external or internal?
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Which of the following connectors supports High-bandwidth Digital Content Protection (HDCP)?
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A shared printer experiences an outage when users submit numerous print jobs at the same time. Which of the following would an engineer most likely do after verifying network connectivity?
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Which of the following can be used by a mobile device to access a secure building?
A. Hotspot
B. Near-field communication
C. Infrared scanner
D. Geolocation
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Which of the following is designed for interaction to take place via an OS running on the host rather than the host directly?
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A user's wireless headset shows a "connected" status when turned on, but the Bluetooth list on the user's phone shows that the headset is "not connected." Which of the following should the technician do?
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A technician is diagnosing several device issues reported by employees.
INSTRUCTIONS
Click on each device to review the issue. Then select the appropriate issue and solution from the drop-down menu. Each option may be used more than once.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
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Which of the following should be considered first when looking for replacement storage?
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Which of the following options offers the best connectivity performance with limited necessary accessories?
A. Hotspot
B. Lightning cable
C. NFC
D. Bluetooth
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A computer is experiencing random shutdowns. A technician notices that the fans on the computer work but are noisy. The CPU temperature is about 122ยฐF (50ยฐ
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A userโs laptop experiences intermittent issues during startup. A technician finds that the user has left a corporate flash drive plugged in, which is causing the issues. Which of the following should the technician configure?
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A developer wants to ensure that their critical data is protected from a hard drive failure. Their workstation has two hard drives. Which of the following should the developer use for their workstation?
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Which of the following protocol ports is used for secure remote access to a network device?
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A technician needs to deploy a router at a home office to provide internet access. The WAN port is required to connect to a static, public IP address assigned by the ISP. Which of the following should the ISP assign?
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Which of the following statements is true when comparing DDR3 RAM and DDR4 RAM?
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Which of the following devices forwards traffic based on MAC addresses?
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Which of the following devices forwards data between different networks by analyzing the headers of packets?
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A company purchases a new printer for an international office. When a technician installs the printer, the display only shows a white screen. Which of the following should the technician do to troubleshoot the issue?
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Which of the following is a key characteristic of cloud computing that ensures resources are dynamically distributed to meet varying workloads?
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When traveling in another country, a user is unable to receive calls or emails on their mobile phone. Which of the following should the technician verify is enabled on the user's device?
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A customer experiences a power outage at their data center. After the outage, one server with three hard drives in RAID 5 does not come back online. When a technician connects to the server, they receive a message stating that Drive 3 has failed. Which of the following steps should the technician take next to minimize the risk of data loss?
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The output from a dot matrix printer has become lighter over time. Which of the following should a technician do to fix the issue?
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An end user is printing, but the image is being cut off because the paper is too small. The user did put the correct type of paper in the printer. Which of the following should the user change first?
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When installing a network printer, a technician needs to ensure the printer is available after a network is restarted. Which of the following should the technician set up on the printer to meet this requirement?
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A technician connects a network printer to a SOHO router. The technician configures several workstations to send print jobs to the printer's network address. After several days, users report that they are no longer able to use the printer. Which of the following should the technician use to resolve the issue and prevent it from reoccurring?
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A technician needs to configure a scan-to-folder capability on a multifunction device. Which of the following services does the technician need to enable this capability?
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A user reports issues trying to print to a printer. Every time the user tries to print, continuous pages of random characters are printed. There are no smudging or print quality issues. Which of the following should the technician do to resolve this issue?
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