All practice questions
786 questions
A network technician is diagnosing connectivity issues in a manufacturing facility. Mobile Wi-Fi terminals roaming across 2.4 GHz access points experience frequent packet loss and drops, with an audit showing access points currently configured to channels 1, 3, and 6. Meanwhile, a newly installed wired desktop receives an APIPA address of 169.254.14.22 and cannot reach local server resources. Which TWO of the following actions should the technician take to resolve these issues?
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A video editing workstation utilizes a two-drive software RAID 1 array for local project scratch space. During a rendering session, the system experiences severe input/output latency, and the operating system logs several disk read error events. Physical inspection reveals a high-pitched metallic clicking sound coming from one of the mechanical hard drives. Disk Management shows the volume status as Degraded, with Disk 1 marked as Offline/Errors, while Disk 0 remains Online and operational. Which TWO of the following actions should the technician take to restore full system redundancy while mitigating the risk of data loss?
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A user brings a 2-in-1 touchscreen laptop to the help desk reporting two issues. First, the trackpad is lifting away from the chassis and the battery rapidly loses charge, despite the user repeatedly running deep discharge cycles to 0% to recalibrate it. Second, when the user connects a dual-monitor docking station to a standard USB Type-C port on the side of the laptop, the external displays show no image signal. Which of the following statements or troubleshooting steps correctly address these issues? (Select TWO.)
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A desktop technician is troubleshooting a corporate network multifunction laser printer. Users report two specific complaints: all printed documents display continuous vertical black streaks down the length of every page, and scans created using the Automatic Document Feeder (ADF) exhibit a thin vertical black line along the edge of the digitized image, whereas scans placed directly on the flatbed glass are entirely clear. Which TWO of the following actions should the technician perform to resolve these distinct issues?
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A technician is setting up a dual-monitor workstation connected to a corporate laptop through a single USB-C docking station using DisplayPort Multi-Stream Transport (MST). The primary monitor operates normally at full resolution, but the second daisy-chained monitor displays an incorrect low resolution and suffers from intermittent screen flickering. Which of the following potential root causes or initial troubleshooting steps should the technician evaluate to address these symptoms? (Select TWO.)
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An IT support technician is troubleshooting a network multifunction device (MFD) in an office department. Users report two distinct issues: double-sided print jobs consistently jam in the paper-reversing area before printing the second side, and multi-page documents scanned using the Automatic Document Feeder (ADF) show a continuous vertical line down every page, although flatbed scans produce completely clear images. Which TWO of the following actions should the technician perform to address these issues?
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A technician is troubleshooting a high-performance workstation PC that fails to complete the Power-On Self-Test (POST). When pressing the power button, the system chassis fans turn on at maximum speed, but no video display signal is output, no POST diagnostic beep codes are produced by the motherboard speaker, and the onboard debug LED stays permanently frozen on the CPU initialization state code (00). Which of the following initial diagnostic procedures should the technician perform to isolate the underlying hardware failure? (Select TWO.)
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A remote employee reports that after upgrading their corporate laptop software, they can browse external websites but can no longer access local network shares over the company VPN. An IT support specialist has already duplicated the problem on a test machine, confirmed the symptoms, and verified that no central network maintenance was performed. According to the CompTIA 6-step troubleshooting methodology, which of the following actions should the specialist perform NEXT to establish a theory of probable cause? (Select TWO.)
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A support technician is troubleshooting a legacy LCD touchscreen laptop after a user reported that the display screen is extremely dark and touch inputs register several inches away from where the user presses. The technician can barely see desktop icons when shining a bright flashlight directly at the glass panel. Which TWO of the following underlying hardware issues or corrective actions are most appropriate for this scenario? (Select TWO.)
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A system deployment specialist is preparing a computer for a software developer who requires native local virtual machine hosting and full-volume drive encryption to safeguard confidential source code. The computer currently runs Windows 11 Home. Which TWO of the following features require upgrading the system to Windows 11 Pro or higher to become available? (Select TWO.)
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A technician is troubleshooting a newly built desktop workstation that powers on, but fails to complete POST or display video output. The system fans run at continuous maximum speed, and the diagnostic status LED on the motherboard remains illuminated red on the CPU indicator. Which of the following are the MOST appropriate initial troubleshooting steps to perform? (Select TWO.)
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A systems administrator is configuring the deployment of a custom enterprise application on 64-bit Windows 11 workstations. The setup executable registers a background system service during installation, and the application writes shared runtime configurations to a local directory. Standard non-administrative users must be able to launch the application and update its configuration without experiencing User Account Control (UAC) prompts or access denied errors. Which of the following steps should the administrator take to properly deploy and configure this application? (Select TWO.)
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A security technician at a defense contractor is investigating a multi-stage security incident reported across the corporate facility. Physical access logs and security footage show an unknown individual wearing a fake delivery uniform closely following an authorized employee through a badge-restricted turnstile without scanning an access card. Later that day, several senior lead engineers received customized emails containing authentic project reference numbers and names of their team members, requesting that they click an external link to verify their corporate credentials. Which of the following social engineering threat types were directly executed during this incident? (Select TWO.)
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A system administrator is configuring security baselines on standalone Windows 11 Pro workstations located in a shared laboratory environment. To enforce strict access controls and prevent standard domain users from triggering administrative privilege requests or running unauthorized installers, the administrator opens the Local Security Policy snap-in (secpol.msc). Which TWO User Account Control (UAC) policy settings should the administrator configure under Security Options? Select TWO.
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A Windows 11 desktop computer is experiencing persistent connectivity issues following a router migration. A help desk technician needs to purge the local DNS resolver cache to remove stale IP address mappings and reset the IPv4 protocol stack to its default state to resolve protocol stack corruption. Which of the following commands should the technician execute on the client machine? (Select TWO.)
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A security administrator is hardening standalone Windows 11 Professional workstations deployed in a public testing center. To adhere to compliance guidelines, standard user accounts must be strictly prohibited from triggering administrator credential prompts upon attempting elevated tasks, and any executable requesting administrative privileges must be verified against a valid digital signature infrastructure before elevation is permitted. Which TWO settings in Local Security Policy (secpol.msc) under Security Options should the administrator configure to meet these requirements? (Select TWO.)
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A systems administrator is configuring a reference workstation to create a golden master image that will be deployed to dozens of new computers across an enterprise network. Before capturing the OS image, the administrator needs to ensure that hardware-specific information and unique system identifiers are removed and that the image can be captured cleanly without file lock conflicts. Which of the following procedures should the administrator perform to achieve this? (Select TWO.)
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Following a component upgrade on a corporate desktop system, the machine powers on and system fans run at maximum speed, but the monitor displays no signal and the keyboard status lights remain unlit. No diagnostic beep codes are emitted from the motherboard speaker. Which of the following initial actions should the technician take to isolate this hardware failure? (Select TWO.)
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A field technician reports that a specialized telemetry logging app on a company-issued Android tablet takes a long time to start up, stutters when loading local data, and consumes excessive background memory. Other system utilities and mobile apps on the tablet perform normally. Which of the following initial, least-invasive troubleshooting steps should the technician take to resolve this issue? (Select TWO.)
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While conducting a remote screen-sharing session to resolve a network printer installation issue, a Tier 1 support technician notices that the user has a spreadsheet displayed containing unencrypted Personal Identifiable Information (PII) of corporate clients. The user appears unaware of the visible data and is becoming impatient regarding the printer issue. Which of the following professional communication and compliance actions should the technician take in this scenario? (Select TWO.)
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