Hardware

445 questions

All types445 Multiple choice225 Multiple select101 Numeric6 Matching94 Ordering19

Match each storage drive interface standard with its corresponding physical, protocol, or performance specification.

Click a left item, then click its matching right item

Show answer & explanation

Answer

M.2 NVMe SSD matches the high-speed PCIe bus interface; SATA III 2.5-inch SSD matches the

6\text{ Gbps}

AHCI serial bus interface; SAS Drive matches the enterprise dual-port

12\text{ Gbps}

interface; and eSATA Drive matches the shielded external native SATA cable standard.

Each storage interface matches its distinct protocol, bus throughput limit, and intended application: M.2 NVMe connects over PCIe for extreme throughput (

3,000+\text{ MB/s}

); SATA III uses AHCI for

6\text{ Gbps}

internal storage; SAS serves enterprise chassis with dual-port

12\text{ Gbps}+

signaling; and eSATA provides

6\text{ Gbps}

native SATA connectivity externally via shielded cables.

Step-by-Step Solution

Identify the protocol and bus topology for M.2 NVMe.

NVMe utilizes PCI Express (PCIe) lanes directly, delivering transfer rates far exceeding SATA limits (

3,000+\text{ MB/s}

NVMe is engineered specifically for non-volatile solid-state memory over PCIe.

Identify the bandwidth limits for SATA III 2.5-inch drives.

SATA III operates using AHCI at a theoretical max speed of

6\text{ Gbps}

(

600\text{ MB/s}

Standard desktop SATA III internal storage interfaces are capped at

6\text{ Gbps}

Analyze enterprise SAS drive characteristics.

SAS provides dual-port connectivity and enterprise reliability with speeds reaching

12\text{ Gbps}

or higher.

SAS controllers accommodate dual-port high-availability server backplanes.

Differentiate external SATA (eSATA) from internal interface standards.

eSATA allows external enclosures to connect directly to the system SATA controller using shielded cables up to

6\text{ Gbps}

eSATA avoids protocol translation penalties inherent in legacy USB-to-SATA adapters.

Key Concept

Storage Interface Standards and Bus Protocols

Question 382Question →

A technician is reviewing power delivery specifications for a desktop PC motherboard replacement. Which of the following power connectors are standard components designed to provide power directly to modern desktop motherboards and their onboard components? (Select TWO.)

Select all that apply

24-pin ATX main power connector

8-pin EPS/CPU power connector

SO-DIMM power bridge header

M.2 SATA key power cable

Show answer & explanation

Answer: 24-pin ATX main power connector; 8-pin EPS/CPU power connector

Answer

The correct motherboard power connectors are the 24-pin ATX main power connector and the 8-pin EPS/CPU power connector.

Standard desktop motherboards utilize a 24-pin ATX connector as their primary power source and an 8-pin (or 4-pin) EPS/CPU connector to supply dedicated power to the processor.

Step-by-Step Solution

Identify main power requirements for ATX motherboards

Recognize that standard desktop motherboards require a main 24-pin P1 connector to power chipset, expansion buses, and onboard logic.

The 24-pin ATX main connector provides the primary DC voltage rails (+3.3V, +5V, +12V) needed for general motherboard operations.

Identify auxiliary CPU power delivery requirements

Recognize that dedicated CPU power is delivered via a 4-pin or 8-pin EPS/CPU power connector located near the CPU socket.

Modern CPUs demand dedicated +12V power conditioning separate from the main motherboard 24-pin connector.

Key Concept

Motherboard Power Connectors (ATX 24-pin and EPS12V)

Question 383Question →

A system administrator is deploying a high-volume multifunction device (MFD) for a corporate department. Security policy mandates that users must scan documents directly to their network home drives over the local network using their domain credentials, and all print jobs must be tracked for auditing purposes by individual user account. Which TWO of the following configurations should the administrator implement to meet these requirements?

Select all that apply

Configure Scan to SMB using Active Directory authentication

Enable print accounting and user authentication on the MFD and print queue

Configure POP3 service settings on the printer to deposit scanned files onto network shares

Assign a static APIPA address to the MFD to ensure permanent connectivity to domain servers

Connect the MFD to an unmanaged Layer 2 switch to route scan traffic between different subnets

Show answer & explanation

Answer: Configure Scan to SMB using Active Directory authentication; Enable print accounting and user authentication on the MFD and print queue

Answer

The correct configurations are configuring Scan to SMB using Active Directory authentication and enabling print accounting and user authentication on the MFD and print queue.

Configuring Scan to SMB allows users to deliver scanned files straight to network shares using their corporate directory accounts. Activating user authentication and print accounting ensures every print job is associated with a specific user account for tracking and audit logs.

Step-by-Step Solution

Identify the requirement for direct-to-folder network scanning using domain credentials.

Scan to SMB integrated with Active Directory allows authenticated users to transmit scans directly into their respective network file paths.

SMB is the standard protocol for accessing network shares and home drives in a Windows corporate environment.

Identify the requirement for tracking and auditing print usage per user.

Enabling user authentication (via PIN, badge, or domain credentials) along with print accounting on the device and server records usage per account.

Accounting logs provide administrative metrics and security auditing for all print, copy, and scan activities.

Key Concept

Multifunction Device Network Integration and Security Configuration

Question 384Question →

A field technician is deploying a workstation dock connected to a laptop's host port labeled with a Thunderbolt 4 icon. Which of the following capabilities and underlying protocols are natively supported by the Thunderbolt 4 specification over its USB Type-C physical connector? (Select TWO.)

Select all that apply

PCI Express (PCIe) data tunneling for external storage drive arrays and expansion chassis

DisplayPort Alternate Mode for driving external high-resolution digital video monitors directly

Native RS-232 serial bus signaling without using an active serial protocol converter

Direct analog VGA RGB video transmission over passive physical adapter wiring

Show answer & explanation

Answer: PCI Express (PCIe) data tunneling for external storage drive arrays and expansion chassis; DisplayPort Alternate Mode for driving external high-resolution digital video monitors directly

Answer

Thunderbolt 4 natively supports PCI Express (PCIe) bus tunneling for high-speed peripherals and DisplayPort Alternate Mode for direct digital video output over a physical USB Type-C connector.

Thunderbolt 4 built upon the USB Type-C connector specification natively encapsulates PCIe data packets (allowing direct host bus performance for external drives and docking stations) and supports DisplayPort Alternate Mode (delivering uncompressed digital video to external monitors). Both features function without needing active protocol translation chipsets.

Step-by-Step Solution

Identify the physical connector and underlying interface protocol standard specified in the scenario.

The scenario specifies a Thunderbolt 4 controller operating through a USB Type-C physical port.

Thunderbolt 4 standardizes specific native data and video protocols that can be multiplexed over the USB Type-C cable assembly.

Evaluate the supported native protocols against the provided options.

Thunderbolt 4 mandates PCIe data tunneling (up to 32 Gbps PCIe data throughput) and native DisplayPort Alternate Mode for dual 4K or single 8K displays.

These capabilities allow high-speed external peripheral access and multi-monitor display outputs without external protocol conversion cards.

Filter out invalid legacy or analog signaling assumptions.

RS-232 serial and analog VGA are not supported natively and require active translation adapters.

USB-C and Thunderbolt interfaces handle modern digital packets, lacking legacy analog video DAC pinouts or direct serial UART lines.

Key Concept

Thunderbolt 4 Protocol Tunneling and USB-C Alternate Modes

Estimated Time:1m 30s

Question 385Question →

A technician is setting up a new network printer on a user's Windows workstation using the printer's static IP address. Place the steps for manually adding this network printer into the correct sequential order from first to last.

Drag items to arrange them in the correct order

Show answer & explanation

Answer

The correct sequence starts with opening Printers & scanners to add a device, selecting that the printer isn't listed, specifying the printer's IP address to create the TCP/IP port, installing the appropriate manufacturer driver, and finally printing a test page to verify connectivity.

To manually install a network printer by IP address, a technician must first open Printers & scanners, opt out of automatic discovery, select the IP address addition method to create the network port, choose and load the matching driver, and finish by sending a test print to confirm functionality.

Step-by-Step Solution

Open the Windows device management interface

Access the Printers & scanners settings menu.

This starts the wizard required to discover or configure new print devices.

Override automatic discovery

Bypass auto-scan by choosing 'The printer that I want isn't listed'.

Manual network parameter entry requires opting out of automated network scanning.

Configure the network target

Select adding via IP address/hostname and enter the printer's IP.

Creates a Standard TCP/IP port pointing directly to the printer's network interface.

Assign the print driver

Select the correct manufacturer and model driver.

Ensures the workstation can render print jobs in the printer's supported Page Description Language (PDL).

Validate installation

Print a test page.

Verifies end-to-end communication from software driver down to physical print output.

Key Concept

Standard TCP/IP Printer Installation Procedure

Estimated Time:1m 0s

Question 386Question →

A desktop technician is assembling a high-performance workstation and configuring the CPU socket hardware along with a thermal cooling solution. Which of the following statements regarding CPU socket architectures and thermal cooling installation are correct? (Select TWO.)

Select all that apply

Land Grid Array (LGA) sockets feature pin contacts located inside the motherboard socket housing rather than on the processor package.

Thermal paste is applied between the processor heat spreader and the cooler baseplate to fill microscopic gaps and improve heat transfer.

Ball Grid Array (BGA) processors utilize zero insertion force (ZIF) socket levers to simplify frequent end-user processor upgrades.

Pin Grid Array (PGA) sockets require installing cooling fan headers directly to CPU pins prior to clamping the processor.

Show answer & explanation

Answer: Land Grid Array (LGA) sockets feature pin contacts located inside the motherboard socket housing rather than on the processor package.; Thermal paste is applied between the processor heat spreader and the cooler baseplate to fill microscopic gaps and improve heat transfer.

Answer

Land Grid Array (LGA) sockets feature pin contacts located inside the motherboard socket housing rather than on the processor package, and thermal paste is applied between the processor heat spreader and the cooler baseplate to fill microscopic gaps and improve heat transfer.

Land Grid Array (LGA) sockets place the delicate contact pins on the motherboard socket, requiring CPUs to have matching flat contact pads. Additionally, applying thermal paste between the CPU integrated heat spreader and the cooling block baseplate fills microscopic air gaps, ensuring maximum thermal conductivity.

Step-by-Step Solution

Analyze CPU socket physical characteristics for LGA, PGA, and BGA packaging types.

Identify that LGA sockets put pins on the motherboard socket and pads on the CPU, whereas BGA CPUs are soldered and PGA CPUs have pins on the chip package.

Understanding socket mechanical construction is essential for safe handling during installation.

Evaluate thermal management components and proper thermal compound placement.

Confirm that thermal paste eliminates air pockets between the processor IHS and the cooling block.

Air is a poor thermal conductor; thermal paste ensures efficient heat conduction to preventing thermal throttling.

Key Concept

CPU packaging socket types (LGA, PGA, BGA) and thermal interface material function

Question 387Question →

A field technician is configuring a small-form-factor graphics workstation whose motherboard specifically requires DDR5 SODIMM modules. The technician needs to ensure proper physical compatibility and optimal system performance. Which TWO of the following statements correctly describe the technical or physical characteristics of these memory modules? (Select TWO.)

Select all that apply

SODIMM modules have a shorter physical form factor than standard DIMMs and utilize distinct notch positions that prevent installation into full-size desktop slots.

Each individual DDR5 memory module natively incorporates two independent 32-bit memory channels on a single physical stick.

Standard desktop DIMM modules can be installed into SODIMM slots by trimming the protective plastic alignment tabs on the motherboard socket.

Installing matching memory modules into adjacent slots designated for Slot 1 and Slot 2 on a four-slot motherboard activates multi-channel performance.

Show answer & explanation

Answer: SODIMM modules have a shorter physical form factor than standard DIMMs and utilize distinct notch positions that prevent installation into full-size desktop slots.; Each individual DDR5 memory module natively incorporates two independent 32-bit memory channels on a single physical stick.

Answer

The correct statements are that SODIMM modules have a shorter physical form factor with unique notch positions preventing installation into standard desktop DIMM slots, and that each individual DDR5 memory module natively features two independent 32-bit subchannels.

The correct statements accurately identify key characteristics of RAM types: SODIMMs provide a smaller footprint tailored for compact systems and laptops with physical keying preventing insertion into desktop DIMM slots, while DDR5 architecture split each physical module's bus into two independent 32-bit subchannels for enhanced concurrent data access.

Step-by-Step Solution

Analyze the physical form factor requirements for small-form-factor SODIMM memory.

Confirm that SODIMM modules are physically smaller and keyed differently than standard desktop DIMM modules to prevent incorrect insertion.

Form factor alignment is a physical hardware constraint.

Evaluate the architectural specifications of DDR5 memory technology.

Identify that DDR5 introduces internal dual subchannels (two 32-bit channels per stick) to enhance memory bandwidth efficiency.

DDR5 architectural design differs fundamental from DDR4 single 64-bit channel layout.

Evaluate distractor claims regarding socket modifications and channel population.

Recognize that physical socket tabs must never be cut to fit mismatched form factors, and dual-channel operation requires populating designated alternating motherboard slots rather than adjacent ones.

Prevents physical hardware damage and performance degradation due to improper slot placement.

Key Concept

DDR5 SODIMM Form Factors and Dual 32-bit Subchannel Architecture

Question 388Question →

A senior system technician is documenting processor architecture characteristics and advanced thermal management solutions for enterprise workstations. Match each CPU architecture feature or thermal management mechanism on the left to its primary functional characteristic on the right.

Click a left item, then click its matching right item

Show answer & explanation

Answer

Phase-Change Thermal Interface Material (PTM) matches the description of transitioning from solid to viscous liquid at high temperature to fill voids without thermal pump-out. Vapor Chamber Heat Baseplate matches spreading heat flux via evaporating working fluid inside a planar vacuum cavity. Dynamic Thermal Throttling matches automatically reducing operating frequency and core voltage when maximum junction temperature is exceeded. x86-64 Processor Architecture matches executing variable-length CISC instructions with 64-bit addressing and 32-bit legacy support.

Each item is correctly matched based on its core technical functionality: Phase-Change TIM transitions between solid and liquid phases to resist pump-out; Vapor Chambers utilize internal liquid-vapor phase change across a planar vacuum cavity; Dynamic Thermal Throttling drops clock speed and voltage to curb overheating; and x86-64 provides 64-bit CISC instruction execution alongside 32-bit legacy backward compatibility.

Step-by-Step Solution

Analyze Phase-Change Thermal Interface Material (PTM)

Identified its physical property of shifting phases from solid at ambient temperature to liquid under thermal load.

PTM is designed specifically to maximize surface contact under operating heat while avoiding liquid displacement (pump-out) caused by thermal expansion.

Analyze Vapor Chamber Heat Baseplate

Linked its operation to liquid-vapor phase change inside a flattened sealed vacuum chamber with wick capillary action.

Vapor chambers act as two-dimensional planar heat pipes for rapid heat spreading across high heat-density processor dies.

Analyze Dynamic Thermal Throttling

Associated it with CPU protection mechanisms that scale down core frequency and supply voltage dynamically.

When thermal limits are exceeded, throttling lowers power consumption and heat output to prevent physical damage.

Analyze x86-64 Processor Architecture

Correlated it with CISC 64-bit virtual memory addressing and 32-bit backward compatibility.

x86-64 extends standard x86 register sizes to 64 bits while retaining native execution capability for 32-bit x86 applications.

Key Concept

CPU Thermal Management Techniques and Architectural Characteristics

Estimated Time:2m 0s

Question 389Question →

A field technician is upgrading the storage in a desktop computer. The motherboard documentation states that the dedicated M.2 slot is wired exclusively with PCIe 3.0 x4 lanes and does not support SATA signaling. The technician installs an M.2 SATA SSD into this slot. Which of the following outcomes should the technician expect when powering on the workstation?

The SSD will not be detected in the BIOS/UEFI setup because the M.2 slot lacks SATA bus routing.

The SSD will function properly but will be throttled to single-lane PCIe 3.0 transfer speeds.

The system motherboard will automatically configure the M.2 slot controller to AHCI mode to recognize the drive.

The SSD will be recognized in the BIOS/UEFI, but the operating system will require custom NVMe drivers to mount the volume.

Show answer & explanation

Answer: The SSD will not be detected in the BIOS/UEFI setup because the M.2 slot lacks SATA bus routing.

Answer

The SSD will not be detected in the BIOS/UEFI setup because the M.2 slot lacks SATA bus routing.

Although the M.2 form factor is standardized, individual motherboard M.2 slots vary in their underlying bus routing. An M.2 slot configured strictly for PCIe (NVMe) lanes lacks physical trace connections to the motherboard's SATA controller. Consequently, installing an M.2 SATA drive into a PCIe-only slot prevents the drive from communicating with system firmware, making it undetected in BIOS/UEFI.

Step-by-Step Solution

Identify the drive interface protocol and slot specification.

The drive relies on the SATA protocol, while the motherboard M.2 slot provides only PCIe signals.

M.2 is a physical form factor, but individual slots can support PCIe (NVMe), SATA, or both depending on motherboard wiring.

Evaluate bus compatibility between the drive and the slot.

Because SATA signaling traces are absent from the PCIe-only slot, no physical signal link can be established.

Without a physical pathway to a SATA host controller, the system cannot communicate with the SATA drive.

Determine the system state upon boot.

The system hardware cannot detect the drive during POST.

The drive remains completely unlisted in the system BIOS/UEFI firmware.

Key Concept

M.2 Bus Interface and Protocol Compatibility (PCIe/NVMe vs. SATA)

Question 390Question →

A datacenter infrastructure team is installing high-density fiber optic patch panels to interconnect high-speed SAN storage nodes. To maximize port density within 1U rack-mount enclosures, the project specification mandates a dual-strand fiber optic connector utilizing a small form-factor (SFF) design with a push-pull latching mechanism. Which fiber optic connector best meets these requirements?

LC (Lucent Connector)

ST (Straight Tip)

SC (Subscriber Connector)

BNC (Bayonet Neill-Concelman)

Show answer & explanation

Answer: LC (Lucent Connector)

Answer

LC (Lucent Connector) is the correct choice because it is a small form-factor fiber optic connector designed specifically for high-density environments using a push-pull latching mechanism.

The LC (Lucent Connector) is a small form-factor (SFF) fiber connector that utilizes a 1.25 mm ferrule and a push-pull latching mechanism. Its compact footprint makes it the standard choice for high-density network switches, SAN patch panels, and SFP/SFP+ transceivers.

Step-by-Step Solution

Analyze key requirements from the scenario

Identified key constraints: fiber optic medium, small form-factor (SFF), push-pull latching, and high port density.

Datacenter 1U enclosures require compact connectors to maximize port count per unit space.

Compare candidate fiber connector form factors

LC uses a 1.25 mm ferrule (SFF push-pull), whereas SC and ST use 2.5 mm ferrules.

The smaller 1.25 mm ferrule of the LC connector allows twice the port density compared to standard SC or ST connectors.

Select the matching connector type

LC (Lucent Connector) satisfies all physical and functional specifications.

LC connectors combine small form-factor housing with a push-pull retaining tab suitable for high-density SAN patch panels.

Key Concept

Fiber Optic Connector Types and Form Factors

Question 391Question →

An IT technician is deploying a portable workstation for a graphic designer who requires an external 4K monitor operating at 60 Hz, alongside high-speed data transfer for an external RAID storage array connected to the monitor's integrated hub. The technician connects the laptop's Thunderbolt 4 port to the monitor's USB-C video input using a spare USB-C cable that was bundled with a mobile phone. While the laptop successfully receives power from the monitor, the display resolution is restricted to 1080p at 30 Hz and the RAID storage array is not recognized by the operating system. Which of the following is the MOST likely cause of this issue?

The bundled phone cable only contains USB 2.0 wiring and lacks the high-speed differential pin pairs required for DisplayPort Alternate Mode and SuperSpeed data.

Physical USB Type-C ports cannot transmit native video signals without an active inline DVI-D conversion adapter.

USB Power Delivery over a single cable reduces available display bandwidth down to single-link video limits.

Thunderbolt 4 standards automatically disable integrated USB hub controllers whenever screen resolutions exceed 1080p.

Show answer & explanation

Answer: The bundled phone cable only contains USB 2.0 wiring and lacks the high-speed differential pin pairs required for DisplayPort Alternate Mode and SuperSpeed data.

Answer

The issue is caused by using a USB 2.0 phone charging cable that lacks the internal high-speed wiring required for DisplayPort Alternate Mode video and SuperSpeed data transmission.

Although USB Type-C uses a unified physical connector, individual cables vary significantly in their internal capabilities. Charging cables included with smartphones are wired only for USB Power Delivery and legacy USB 2.0 (480 Mbps) data lines. They lack the high-speed differential wire pairs required for DisplayPort Alternate Mode (video transport) and SuperSpeed USB data. Replacing the charging cable with a full-featured USB-C or Thunderbolt 4 cable restores native 4K at 60 Hz display output and enables the integrated USB hub for the RAID array.

Step-by-Step Solution

Analyze the physical cable rating and pin architecture.

Identified that the cable used is a basic USB-C charging cable intended for mobile devices.

Mobile charging cables omit high-speed data lanes to reduce costs and cable thickness, carrying only USB 2.0 D+/D- lines alongside power delivery wires.

Evaluate protocol requirements for 4K video and external storage.

DisplayPort Alternate Mode (for 4K @ 60 Hz) and USB 3.x data (for the RAID controller) require populated SuperSpeed lanes.

Without these high-speed physical wire pairs, the display cannot receive full resolution signals and connected USB 3.0/PCIe devices fail to enumerate.

Identify the proper resolution strategy.

Replace the charging cable with a full-featured USB-C (10Gbps/20Gbps) or Thunderbolt 4 cable.

Full-featured cables contain all necessary internal wiring to concurrently transmit high-resolution video, high-speed data, and power delivery.

Key Concept

USB Type-C Connector Form Factor vs. Protocol and Cable Specifications

Question 392Question →

A system administrator is upgrading a render workstation by installing a secondary PCIe x16 graphics processing unit (GPU) with a peak thermal design power (TDP) of $320\text{ W}$ . The system currently houses a CPU ( $125\text{ W}$ peak), motherboard and system components ( $75\text{ W}$ total), an existing primary GPU ( $250\text{ W}$ peak), and a single high-performance PCIe x8 storage expansion card. The system is currently equipped with an $850\text{ W}$ modular power supply unit (PSU). Which TWO of the following requirements must the administrator fulfill to ensure system stability and prevent power-related failures under full load?

Select all that apply

Upgrade the power supply unit to a minimum rating of

1000\text{ W}

to handle total peak system draw plus an appropriate safety margin.

Connect dedicated 8-pin (6+2 pin) PCIe power cables directly from the PSU to the secondary expansion card auxiliary connectors.

Use available 8-pin (4+4 pin) EPS12V CPU cables to supply the supplementary power to the secondary GPU.

Retain the existing

850\text{ W}

power supply unit because 80 PLUS Gold efficiency rating allows the PSU to deliver

20\%

beyond its continuous wattage rating.

Show answer & explanation

Answer: Upgrade the power supply unit to a minimum rating of $1000\text{ W}$ to handle total peak system draw plus an appropriate safety margin.; Connect dedicated 8-pin (6+2 pin) PCIe power cables directly from the PSU to the secondary expansion card auxiliary connectors.

Answer

The administrator must upgrade the power supply unit to at least

1000\text{ W}

to accommodate total peak power draw with safety overhead, and connect dedicated 8-pin (6+2 pin) PCIe power cables directly to the auxiliary card connectors.

The total system peak load reaches

770\text{ W}

. Applying a standard recommended

20\%

power overhead requires at least

924\text{ W}

of supply capacity, making a PSU upgrade to

1000\text{ W}

necessary. Additionally, high-power expansion GPUs require dedicated 8-pin (6+2 pin) PCIe auxiliary power cables straight from the power supply.

Step-by-Step Solution

Calculate total peak power consumption for all system components.

\text{CPU } (125\text{ W}) + \text{System } (75\text{ W}) + \text{GPU 1 } (250\text{ W}) + \text{GPU 2 } (320\text{ W}) = 770\text{ W}

total peak draw.

Accurate power supply sizing requires summing all maximum component draws rather than baseline or idle figures.

Apply a standard 20% system overhead safety buffer.

770\text{ W} \times 1.20 = 924\text{ W}

required minimum capacity.

Maintaining a continuous operating margin prevents PSU thermal shutdown during transient voltage spikes.

Determine PSU replacement requirements and cable connections.

Replace the existing

850\text{ W}

PSU with a unit rated for at least

1000\text{ W}

and attach dedicated 8-pin (6+2 pin) PCIe power cables to the secondary card.

Ensures sufficient power delivery without overloading individual rails or using incorrect connector pinouts.

Key Concept

Calculating continuous power supply wattage requirements with safety headroom and applying correct auxiliary PCIe power cabling standards for expansion cards.

Question 393Question →

An IT technician installs a PCI Express (PCIe) expansion add-in card to add two M.2 slots (labeled Slot 1 and Slot 2) to a workstation system. According to the expansion card documentation, Slot 1 routes directly to the motherboard PCIe lanes, while Slot 2 relies on an onboard SATA controller pass-through port that requires an external SATA cable connected to the motherboard. The technician installs two identical M.2 PCIe NVMe solid-state drives into Slot 1 and Slot 2. Upon booting the operating system, only the drive in Slot 1 is recognized. Which of the following best explains why the drive in Slot 2 is not detected?

Slot 2 only carries a SATA host interface signal, making it incompatible with PCIe NVMe protocol drives.

The system motherboard lacks PCIe slot bifurcation support required to split lanes across multiple drives on a single card.

The storage controller in the UEFI setup must be changed from AHCI mode to NVMe host controller mode.

SATA Express backward compatibility automatically disables the secondary drive slot whenever Slot 1 operates at PCIe 4.0 speeds.

Show answer & explanation

Answer: Slot 2 only carries a SATA host interface signal, making it incompatible with PCIe NVMe protocol drives.

Answer

Slot 2 only carries a SATA host interface signal, making it incompatible with PCIe NVMe protocol drives.

The correct option correctly identifies that Slot 2 is wired through a SATA host controller interface. PCIe NVMe drives require direct PCIe bus lane signaling. Because Slot 2 only provides SATA protocol signaling, the PCIe NVMe drive cannot be detected by the system.

Step-by-Step Solution

Analyze the hardware interface wiring described in the scenario

Slot 1 routes via PCIe bus lanes, while Slot 2 routes exclusively through a SATA controller pass-through.

M.2 form factor slots can be wired to transport different underlying bus protocols (PCIe or SATA).

Evaluate the drive protocol compatibility against the host interface

An M.2 NVMe SSD requires PCIe signaling lanes and cannot function over a SATA protocol interface.

NVMe drives do not possess backward compatibility for legacy SATA host signals.

Identify the primary root cause for non-detection in Slot 2

The NVMe drive installed in Slot 2 cannot initiate communication because the slot provides only SATA bus signaling.

Installing an NVMe drive into a SATA-only M.2 interface leads to a complete failure to recognize the drive.

Key Concept

M.2 Form Factor Bus Protocols and Interface Compatibility

Question 394Question →

A network technician is deploying a multifunction device (MFD) in an enterprise environment and must configure Scan-to-SMB so users can send scanned documents directly to a centralized network repository. What is the correct sequence of steps the technician should follow to configure this service securely and effectively?

Drag items to arrange them in the correct order

Show answer & explanation

Answer

The correct order begins with creating the Active Directory service account, granting share and NTFS permissions on the target folder, entering the UNC path and credentials into the MFD Embedded Web Server, setting up user address book shortcuts, and finally performing a test scan from the physical MFD console.

Establishing network scanning requires a top-down logical progression: identity provisioning first, resource authorization second, device authentication configuration third, address book interface mapping fourth, and functional end-to-end verification last. Without the service account and proper NTFS/Share permissions in place, the MFD cannot authenticate or write files to the target repository.

Step-by-Step Solution

Provision the domain service account

A dedicated authentication principal is created in Active Directory.

An identity must exist in the domain before permissions can be assigned to it or entered into network hardware.

Configure SMB Share and NTFS permissions

The service account gains Write access on the destination network repository.

Both SMB Share permissions and NTFS access control lists (ACLs) must allow Write/Modify access for the service account to store files.

Configure SMB settings in the MFD Embedded Web Server (EWS)

The MFD stores the target UNC path (e.g., \\server\scans) and authenticates using the service account.

The MFD needs network path context and valid domain credentials to connect to the file server.

Populate the MFD Address Book

Users can select pre-configured scan destinations from the MFD touch screen.

Address book entries rely on the underlying SMB service connection configured in the device's system settings.

Execute a test scan from the MFD interface

A scanned document successfully arrives in the network folder.

Testing validates network routing, authentication, and permission inheritance from the physical hardware.

Key Concept

Multifunction Device (MFD) Scan-to-SMB Configuration Workflow

Estimated Time:2m 0s

Question 395Question →

A network technician is configuring an enterprise multifunction device (MFD) for web-based remote management. Company policy requires that all administrative sessions to the Embedded Web Server (EWS) be secure and encrypted to protect login credentials across the local network. Which protocol and configuration requirement should the technician enable on the MFD?

HTTPS using a valid TLS certificate

HTTP using default port 80 with SSH tunneling

DHCP option 66 for web server redirection

Layer 2 MAC filtering on the Embedded Web Server

Show answer & explanation

Answer: HTTPS using a valid TLS certificate

Answer

HTTPS using a valid TLS certificate

The Embedded Web Server (EWS) on a multifunction device allows technicians to manage print jobs, settings, and access rights remotely via a browser. To secure this access and comply with security mandates, enabling HTTPS ensures all browser-to-MFD communications are encrypted via TLS.

Step-by-Step Solution

Identify the requirement for securing administrative access to the MFD's Web-based Management Interface.

Recognize that web administration uses HTTP by default, which sends unencrypted data over port 80.

Plaintext administration allows credentials to be captured by network sniffers.

Select the protocol standard designed for secure, encrypted web communications.

Determine that HTTPS (port 443) utilizing TLS protocol encryption fulfills the encryption security policy.

HTTPS ensures confidentiality and integrity of web management sessions.

Key Concept

Embedded Web Server (EWS) Security Configuration

Question 396Question →

A technician needs to connect supplementary power directly from a power supply unit (PSU) to a newly installed high-performance PCI Express graphics expansion card. Which of the following power connectors is specifically designed for this purpose?

8-pin (6+2 pin) PCIe connector

8-pin (4+4 pin) EPS12V connector

15-pin SATA power connector

4-pin Berg connector

Show answer & explanation

Answer: 8-pin (6+2 pin) PCIe connector

Answer

The 8-pin (6+2 pin) PCIe connector is the correct choice because it is designed specifically to provide dedicated auxiliary power to PCIe expansion cards.

The 8-pin (6+2 pin) PCIe power connector is designed specifically for expansion cards (such as dedicated GPUs) that exceed the standard 75 W power threshold delivered by the motherboard slot.

Step-by-Step Solution

Identify the power requirements of the expansion card

High-performance PCIe expansion cards (such as GPUs) require direct auxiliary power from the power supply unit beyond what the motherboard PCIe slot provides (75 W).

Motherboard expansion slots cannot safely supply sufficient power for high-draw expansion devices alone.

Match the requirement to the correct PSU power connector type

Select the 8-pin (6+2 pin) PCIe power connector.

This connector type has the keying and wiring pinout specifically intended for PCIe expansion card power connections.

Key Concept

PCIe Auxiliary Power Connectors

Question 397Question →

An IT technician is selecting replacement hardware specifications for an enterprise server platform. The organization mandates a CPU socket design where the socket pins are located directly on the motherboard motherboard surface rather than on the processor package itself, minimizing the risk of damaging processor pins during field replacements. Which CPU socket architecture meets this specific requirement?

Pin Grid Array (PGA)

Land Grid Array (LGA)

Ball Grid Array (BGA)

Zero Insertion Force (ZIF) PGA

Show answer & explanation

Answer: Land Grid Array (LGA)

Answer

Land Grid Array (LGA) places the socket pins on the motherboard, while the CPU package has landing pads.

Land Grid Array (LGA) architecture places the spring-loaded contact pins directly inside the motherboard socket. The processor package itself features flat conductive contact pads (lands), eliminating the possibility of bending processor pins during handling or socket installation.

Step-by-Step Solution

Identify CPU packaging and socket pin placement standards.

LGA places pins on the motherboard socket; PGA places pins on the CPU package; BGA is surface-mounted via solder balls.

The requirement specifically asks for pins integrated onto the motherboard to prevent bending pins on the removable CPU package.

Match the requirement to the correct standard.

Land Grid Array (LGA) uses flat gold pads (lands) on the processor and pins on the socket.

This structure fulfills the organizational policy by leaving the processor package pin-free.

Key Concept

CPU Socket Architecture (LGA vs PGA vs BGA)

Question 398Question →

A technician is setting up a new desktop workstation for a client who performs heavy video editing. The motherboard features four DDR4 DIMM slots color-coded and labeled as Channel A (Slots A1 and A2) and Channel B (Slots B1 and B2). The technician installs two matching 16 GB memory modules directly into Slots A1 and A2. While the operating system detects the full 32 GB of system memory, bandwidth diagnostic tests show the system is operating significantly below its expected memory throughput. Which of the following actions should the technician take to resolve the performance issue?

Move the memory module from Slot A2 into Slot B1 to populate alternating slots across both channels.

Replace the existing unbuffered DIMMs with SO-DIMM modules designed for high-throughput workstation motherboards.

Keep both memory modules in Slots A1 and A2 and enable registered memory mode within the system BIOS/UEFI.

Install a second pair of identical memory modules into Slots B1 and B2 to force the motherboard memory controller to switch from single-channel to dual-channel operation.

Show answer & explanation

Answer: Move the memory module from Slot A2 into Slot B1 to populate alternating slots across both channels.

Answer

Move the memory module from Slot A2 into Slot B1 to populate alternating slots across both channels.

Dual-channel memory architecture requires identical RAM modules to be installed into designated slots across distinct memory channels (typically alternating slots such as A1 and B1). When modules are placed into adjacent slots on the exact same channel (A1 and A2), the memory controller operates in single-channel mode, restricting data throughput to a 64-bit bus width even though total capacity is recognized.

Step-by-Step Solution

Analyze the reported symptom and current configuration.

The OS recognizes 32 GB (2 x 16 GB), confirming both physical RAM modules are functional, but memory throughput is running at single-channel speed.

Populating adjacent slots on the same channel (Slots A1 and A2) forces the memory controller to communicate over a single 64-bit bus (single-channel operation).

Determine the requirement for dual-channel memory operation.

Dual-channel operation requires memory modules to be distributed evenly across separate memory channels (Channel A and Channel B).

Using dual channels opens a 128-bit wide data path, effectively doubling theoretical memory bandwidth.

Select the correct slot installation strategy.

Relocating one module from Slot A2 to Slot B1 leaves one module in Channel A (A1) and one in Channel B (B1).

This populates both channels identically, allowing the memory controller to activate dual-channel mode without acquiring extra hardware.

Key Concept

Dual-channel RAM slot population rules and channel architecture

Estimated Time:2m 0s

Question 399Question →

A technician is selecting components for various computer builds. Match each motherboard form factor or connector standard on the left with its defining specification or primary use case on the right.

Click a left item, then click its matching right item

Show answer & explanation

Answer

ATX form factor matches with standard full-size board measuring 12 x 9.6 inches; Mini-ITX form factor matches with small-form-factor board measuring 6.7 x 6.7 inches; 24-pin ATX connector matches with main power cable connection delivering multiple DC voltages; PCIe x16 slot matches with high-bandwidth expansion interface commonly used for video cards.

Each motherboard term correctly matches its industry-standard physical dimension or functional usage according to CompTIA A+ Core 1 specifications.

Step-by-Step Solution

Identify the standard physical dimensions of common desktop form factors.

ATX boards measure 12 x 9.6 inches, while Mini-ITX boards measure 6.7 x 6.7 inches.

Form factors define motherboard physical sizes and mounting hole layouts.

Identify motherboard power delivery connectors and expansion slot specifications.

The 24-pin connector supplies primary system power, and PCIe x16 slots supply 16 lanes of bandwidth intended for graphics cards.

Connectors and slot configurations determine compatibility with power supplies and add-in cards.

Key Concept

Motherboard Form Factors and Connectors

Question 400Question →

An IT technician is assembling a custom multimedia workstation. The system components have the following peak power draws:

- Central Processing Unit (CPU): $105\text{ W}$
- Motherboard and RAM combined: $45\text{ W}$
- Storage drives: $30\text{ W}$
- PCIe Expansion Video Card: $220\text{ W}$

To ensure system stability, the technician requires a power supply unit (PSU) rated for $25\%$ higher wattage than the calculated total peak power consumption. What is the minimum recommended power supply rating in Watts?

Show answer & explanation

Answer: 500

Answer

The minimum recommended power supply unit rating is 500 Watts.

The total peak consumption of the workstation components is

105\text{ W} + 45\text{ W} + 30\text{ W} + 220\text{ W} = 400\text{ W}

. Applying a

25\%

safety margin (

400\text{ W} \times 1.25

) yields a minimum recommended power supply capacity of

500\text{ W}

Step-by-Step Solution

Sum the power consumption of all individual hardware components.

105\text{ W} + 45\text{ W} + 30\text{ W} + 220\text{ W} = 400\text{ W}

total peak power draw.

Determining the total combined baseline wattage is required before applying safety margins.

Apply the 25% safety buffer multiplier to the total peak wattage.

400\text{ W} \times 1.25 = 500\text{ W}

Adding a 20% to 30% headroom margin prevents PSU strain, power spikes, and overheating under maximum thermal loads.

Key Concept

Power supply unit (PSU) wattage calculation and safety headroom buffer.

Estimated Time:45s

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