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Tüm alıştırma soruları

3551 soru

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Soru 3281Soru →

A field technician is deploying various legacy and modern peripherals and network connections across an office facility. Which connector and cable type on the right correctly matches each hardware deployment requirement on the left?

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Öğeler

Connecting a cable modem to an incoming cable television wall outlet for broadband internet access
Connecting a legacy serial communications device or router console port using a 9-pin D-subminiature interface
Connecting a mobile iOS device to a USB host port for charging and data transfer using a proprietary 8-pin reversible plug
Connecting a USB 3.0 external hard drive using a widened, dual-section connector on the peripheral end

Eşleşmeler

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Cevap

Cable modem deployment matches RG-6 coaxial with F-type connector; 9-pin serial device matches DB-9 cable; iOS mobile charging/data matches Lightning cable; USB 3.0 external hard drive matches USB 3.0 Micro-B cable.
Matching each requirement relies on recognizing the physical connector shape and primary use-case: RG-6 with F-type is used for broadband cable modems, DB-9 is a 9-pin serial connector, Lightning is an 8-pin reversible Apple connector, and USB 3.0 Micro-B is a widened dual-block connector for high-speed portable storage.

Adım Adım Çözüm

1
Identify the cable modem broadband connection requirement.
Cable modems require RG-6 coaxial cabling terminated with threaded F-type connectors.
F-type threaded connectors over RG-6 coaxial cables provide necessary shielding and signal delivery for broadband internet delivery.
2
Identify the 9-pin serial interface requirement.
Legacy serial devices and RS-232 console ports utilize DB-9 connectors.
DB-9 is the standard 9-pin D-subminiature physical connector for serial communications.
3
Identify the proprietary 8-pin reversible mobile connector requirement.
Mobile iOS hardware utilizes the Apple Lightning connector.
Lightning is an 8-pin reversible proprietary connector designed by Apple.
4
Identify the USB 3.0 peripheral connector with a widened two-section footprint.
USB 3.0 external storage drives frequently use the USB 3.0 Micro-B connector.
USB 3.0 Micro-B expands the standard USB 2.0 Micro-B shape with five additional pins in an adjoining section to support 5 Gbps speeds.

Anahtar Kavram

Identifying network and peripheral cable types, pin configurations, and physical connector form factors.
Tahmini Süre:1m 30s
Soru 3282Soru →

A network administrator is configuring infrastructure for an enterprise organization. The organization requires a dedicated, high-speed network to transfer block-level data between server clusters and storage arrays within the primary data center. Additionally, the organization must establish connectivity between corporate headquarters and multiple regional branch offices located across different states. Which network types correctly fulfill these two operational requirements? (Select TWO.)

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Cevap: SAN (Storage Area Network) for high-speed block-level storage traffic; WAN (Wide Area Network) for connecting geographically dispersed branch offices

Cevap

SAN (Storage Area Network) for high-speed block-level storage traffic, and WAN (Wide Area Network) for connecting geographically dispersed branch offices
Storage Area Networks (SANs) are high-speed, dedicated networks that deliver block-level storage access between servers and storage arrays in a data center. Wide Area Networks (WANs) interconnect networks across large geographic distances, making them necessary for connecting headquarters to branch offices in separate states.

Adım Adım Çözüm

1
Analyze the requirement for block-level storage transfer within the data center
Identify that a Storage Area Network (SAN) is specifically designed to provide high-speed block-level storage fabric for servers and disk arrays.
General Local Area Networks do not provide dedicated block-level storage traffic isolation and specialized performance.
2
Analyze the requirement for connecting distant office locations across different states
Identify that a Wide Area Network (WAN) is required to span large geographic distances between headquarters and branch offices.
LAN boundaries are limited to a single physical location or facility.

Anahtar Kavram

Geographic and functional scoping of network classifications (SAN, WAN, LAN, PAN)
Soru 3283Soru →

A system technician is categorizing legacy and modern storage technologies for an enterprise hardware refresh. Match each storage interface standard or form factor on the left with its correct physical or bandwidth performance characteristic on the right.

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Öğeler

SATA Revision 3.0 Interface
NVMe protocol over PCIe 4.0 x4
mSATA Form Factor
M.2 Socket 2 (B-Keyed) Slot

Eşleşmeler

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Cevap

SATA Revision 3.0 matches 6 Gbps transfer rate (~600 MB/s practical throughput); NVMe over PCIe 4.0 x4 matches raw throughput up to ~8 GB/s; mSATA matches the mini-PCIe physical slot form factor carrying SATA signals; M.2 Socket 2 (B-Keyed) matches PCIe x2/SATA capability keyed at pins 12–19.
Each storage standard is accurately matched to its bus design, keying, or throughput specification. SATA Revision 3.0 caps out at 6 Gbps. NVMe over PCIe 4.0 x4 reaches ~8 GB/s total bandwidth. mSATA physically reuses the mini-PCIe interface for SATA signaling. M.2 Socket 2 (B-Key) is physically keyed at pins 12–19 and restricted to a maximum of 2 PCIe lanes or SATA signaling.

Adım Adım Çözüm

1
Identify the standard transfer rate of SATA Revision 3.0.
SATA Revision 3.0 operates at a maximum host interface speed of 6 Gbps (~600 MB/s real-world limit).
SATA 3.0 uses 8b/10b encoding, setting the ceiling near 600 MB/s.
2
Calculate or recall PCIe 4.0 x4 NVMe theoretical bandwidth.
PCIe 4.0 delivers ~2 GB/s per lane; across 4 lanes (x4), maximum bandwidth reaches ~8 GB/s.
NVMe utilizes high-efficiency PCIe lanes directly rather than being throttled by legacy SATA controllers.
3
Distinguish between mSATA and standard M.2 expansion cards.
mSATA uses the mini-PCIe physical connector layout to transport SATA signals on ultra-compact systems.
mSATA preceded M.2 as a small-form-factor storage standard and is physically incompatible with M.2 slots.
4
Evaluate M.2 B-key physical keying and bus support constraints.
B-keyed M.2 slots restrict the interface layout to PCIe x2 or SATA signals (notched at pins 12–19).
M-keyed slots accommodate PCIe x4 (pins 59–66), whereas B-keyed slots are limited to 2 lanes.

Anahtar Kavram

Storage Device Interface Standards, Physical Form Factors, and Keying Specifications
Soru 3284Soru →

Which technical specification and key feature corresponds to each display cable and connector standard? Match each item on the left with its correct description on the right.

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Öğeler

VGA (DB-15)
DVI-D Dual-Link
HDMI
DisplayPort

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Cevap

VGA (DB-15) pairs with the legacy analog-only 15-pin connector; DVI-D Dual-Link pairs with the digital-only connection supporting up to 2560×16002560 \times 1600 resolution; HDMI pairs with the integrated digital audio/video consumer standard; DisplayPort pairs with the VESA standard featuring latching connectors and Multi-Stream Transport (MST).
Each display cable standard is correctly matched to its specific signal type (analog vs. digital), pin layout, resolution capability, or unique physical feature such as latching or audio integration.

Adım Adım Çözüm

1
Identify the signal type and physical pin layout for VGA.
VGA uses a 3-row, 15-pin connector and transmits exclusively analog video.
VGA is an older analog display interface without digital audio or digital signal support.
2
Differentiate DVI-D Dual-Link based on signal and pin configuration.
DVI-D specifies digital-only signals, and Dual-Link adds pins for resolutions up to 2560×16002560 \times 1600.
The 'D' in DVI-D designates Digital-only, while Dual-Link doubles pin count for higher pixel clock bandwidth.
3
Analyze HDMI interface capabilities.
HDMI integrates uncompressed digital video and digital audio into a single cable standard.
HDMI was designed as an all-in-one audiovisual standard for modern PC and consumer media hardware.
4
Determine DisplayPort physical features and capabilities.
DisplayPort features a latching mechanism and supports Multi-Stream Transport (MST) daisy-chaining.
DisplayPort is a royalty-free VESA standard capable of driving multiple independent displays off a single GPU output.

Anahtar Kavram

Display Cables and Connector Standards
Soru 3285Soru →

A corporate traveler frequently needs to charge a company-issued mobile phone at public charging stations in airport terminals. The IT security policy strictly prohibits unauthenticated data connections to prevent juice jacking and malware transmission over physical port connections. Which hardware accessory should the IT technician issue to the employee to safely charge the device?

Cevabı ve açıklamayı göster

Cevap: A USB data blocker adapter

Cevap

A USB data blocker adapter
The correct option is the USB data blocker adapter. USB data blockers physically disconnect the data signal pins (such as the D+ and D- lines in USB connections) while leaving only the power wires connected. This ensures electrical power flows to charge the battery while completely eliminating the risk of juice jacking or malicious data transfers over public USB ports.

Adım Adım Çözüm

1
Identify the security risk associated with physical mobile port connections in public places.
Connecting a mobile device directly to a public USB port exposes the data pins (D+/D- or high-speed data lanes) to potential host computers disguised as charging stations (juice jacking).
Public USB ports can establish unauthorized data sessions alongside electrical charging.
2
Evaluate hardware accessories designed to mitigate physical port security risks.
A USB data blocker physically severs or excludes data line connections while passing electrical power lines through to the device.
Disabling data lines prevents any digital handshake or software data exchange between the public charging port and the mobile device.

Anahtar Kavram

Mobile Port Security and Accessories
Soru 3286Soru →

A field technician is troubleshooting a workstation motherboard equipped with four DIMM slots labeled A1, A2, B1, and B2 that supports dual-channel DDR5 memory. The system is currently experiencing degraded memory bandwidth. Physical inspection reveals two identical 16GB DDR5-5200 UDIMM modules installed in adjacent slots A1 and A2. Additionally, the client requests installing an existing spare 16GB DDR4-3200 SO-DIMM module into an empty slot using a physical adapter to increase total system capacity to 48GB. Which of the following represents the correct diagnostic assessment and recommendation for the technician to provide?

Cevabı ve açıklamayı göster

Cevap: Move one DDR5 module from slot A1 to slot B2 to establish dual-channel population across alternating slots, and reject the DDR4 SO-DIMM because DDR4 and DDR5 architectures feature different pin keying notch positions, pin counts, and operating voltages.

Cevap

Move one DDR5 module from slot A1 to slot B2 to establish dual-channel population across alternating slots, and reject the DDR4 SO-DIMM because DDR4 and DDR5 architectures feature different pin keying notch positions, pin counts, and operating voltages.
The correct recommendation is to move one DDR5 module to slot B2 and reject the DDR4 SO-DIMM. Populating slots A2 and B2 ensures one module is placed in Channel A and one in Channel B, enabling dual-channel operation to double memory bus width and resolve the performance degradation. DDR4 and DDR5 memory modules differ in pin counts, keying notch locations, and power management architecture (DDR5 moves voltage regulation onto the module itself via a PMIC), making them physically and electrically incompatible.

Adım Adım Çözüm

1
Analyze the existing memory slot configuration for dual-channel performance.
The two DDR5 modules are currently in adjacent slots (A1 and A2), both on Channel A. This populates only a single channel, resulting in half the theoretical memory throughput.
Dual-channel architecture requires at least one module in Channel A and one module in Channel B (typically populated in primary/secondary paired slots such as A2 and B2).
2
Evaluate the client request to add a DDR4 SO-DIMM via an adapter.
DDR4 and DDR5 use completely different physical pin layouts, keying notch locations, and operating voltages (1.2V for DDR4 vs. 1.1V for DDR5 with onboard PMIC). Additionally, SO-DIMM is a smaller laptop form factor.
DDR4 and DDR5 modules are mutually exclusive and physically/electrically incompatible on the same motherboard.
3
Formulate the correct technical recommendation.
Relocate one DDR5 module to slot B2 to enable dual-channel mode and remove/reject the DDR4 SO-DIMM.
This resolves the memory performance degradation while preventing physical damage or system boot failures from incompatible hardware.

Anahtar Kavram

Dual-channel RAM slot pairing and DDR4 vs DDR5 electrical/physical generational incompatibilities
Tahmini Süre:2m 0s
Soru 3287Soru →

Match each CPU architectural concept or cooling technology on the left with its corresponding physical property or operational characteristic on the right.

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Öğeler

Vapor Chamber Cooling
Thermal Design Power (TDP)
Pin Grid Array (PGA)
Simultaneous Multithreading (SMT)

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Cevap

Vapor Chamber Cooling pairs with phase-changing fluid in a sealed copper vacuum chamber; TDP pairs with maximum heat output in watts required for cooler sizing; Pin Grid Array pairs with processor packaging containing physical pins; Simultaneous Multithreading pairs with running multiple logical threads per physical core by sharing execution units.
Each CPU architectural term and cooling method correctly matches its technical definition: Vapor Chamber Cooling utilizes phase-changing fluid in a sealed copper chamber; TDP measures thermal dissipation requirements in watts; PGA has pins located on the CPU chip; and SMT allows multiple hardware threads to share execution units on a physical core.

Adım Adım Çözüm

1
Analyze cooling technologies
Vapor Chamber Cooling relies on internal phase-change fluid movement across a flat surface, matching the description of liquid evaporating and condensing inside a sealed copper vacuum chamber.
Vapor chambers act as planar heat pipes to efficiently transfer heat away from concentrated hot spots.
2
Evaluate processor power specifications
TDP defines the thermal power output (in watts) under workload that a heatsink or liquid cooling loop must be capable of dissipating.
Selecting a cooler with a lower TDP rating than the CPU causes thermal throttling or thermal shutdown.
3
Differentiate socket packaging types
PGA places the contact pins directly on the underside of the CPU module.
This contrasts with LGA (Land Grid Array) where pins are located inside the motherboard socket.
4
Identify CPU microarchitectural thread handling
SMT allows a single physical processor core to present two logical cores to the operating system by sharing functional execution units.
By duplicating register sets, SMT keeps hardware pipelines full without needing duplicate full physical cores.

Anahtar Kavram

CPU Architecture, Cooling Mechanisms, and Socket Specifications
Soru 3288Soru →

A corporate executive needs to synchronize documents, calendars, and contacts between a mobile device and a desktop workstation. Due to strict compliance regulations, corporate data is strictly prohibited from transiting external cloud infrastructure or third-party servers. Which synchronization configuration best satisfies these security and operational requirements?

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Cevap: Direct local synchronization using desktop vendor software over a physical USB connection or local network pairing

Cevap

Direct local synchronization using desktop vendor software over a physical USB connection or local network pairing
Direct local synchronization allows a mobile device to sync contacts, calendars, and files directly with a host PC using a physical USB cable or local Wi-Fi pairing software without relying on intermediate cloud servers.

Adım Adım Çözüm

1
Analyze operational constraints
Corporate policy strictly forbids data from transiting external cloud infrastructure or third-party servers.
This rules out cloud-hosted synchronization protocols like Exchange ActiveSync, cloud storage services, or webmail sync.
2
Evaluate valid synchronization methods
Direct local sync connects the mobile endpoint directly to the target desktop host via USB or local network pairing.
Local synchronization ensures data remains within the local security boundary without reaching outside networks.

Anahtar Kavram

Local vs. Cloud Synchronization Methods
Soru 3289Soru →

A technician is tasked with selecting replacement memory modules for a high-reliability portable workstation laptop. The system requires protection against single-bit memory errors and must fit the compact internal motherboard slot footprint. Which TWO of the following memory characteristics or form factors should the technician choose? (Select TWO)

Geçerli olan tümünü seçin

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Cevap: SO-DIMM form factor; ECC (Error-Correcting Code) functionality

Cevap

The technician must select SO-DIMM modules to match the physical laptop form factor and ECC functionality to provide required memory error detection and correction.
Laptops require SO-DIMM modules due to strict internal space limitations. High-reliability systems requiring protection against memory corruption mandate ECC (Error-Correcting Code) memory to identify and fix single-bit errors automatically.

Adım Adım Çözüm

1
Determine the required physical memory form factor for laptop hardware.
Laptops use SO-DIMM (Small Outline Dual In-line Memory Module) slots due to space constraints.
Desktop-class full-sized DIMMs cannot physically fit into laptop memory slots.
2
Identify the memory feature needed for single-bit error protection.
ECC (Error-Correcting Code) memory provides real-time detection and correction of single-bit errors.
Non-ECC memory lacks the extra data bits and logic required to check and correct memory errors.

Anahtar Kavram

RAM Form Factors and Error-Checking Features (SO-DIMM vs DIMM, ECC vs Non-ECC)
Soru 3290Soru →

A system technician is servicing various desktop computers and reviewing thermal management components. Match each CPU cooling component on the left with its primary operational function on the right.

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Öğeler

Thermal Paste (TIM)
Heat Pipe
Radiator Assembly
Passive Heatsink

Eşleşmeler

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Cevap

Thermal Paste matches with filling microscopic air gaps; Heat Pipe matches with liquid-to-vapor phase change heat transfer; Radiator Assembly matches with dispersing heat from liquid coolant into air using fans; Passive Heatsink matches with cooling through natural convection without powered fans.
Each cooling component performs a distinct function: Thermal Paste eliminates air gaps between CPU and cooler base; Heat Pipes transfer heat via fluid phase change; Radiators dissipate heat from liquid coolant using fan airflow; and Passive Heatsinks dissipate heat via convection without active fans.

Adım Adım Çözüm

1
Identify the primary function of Thermal Paste (TIM).
TIM is designed to bridge micro-gaps between metallic surfaces because air is a poor thermal conductor.
Direct metal-to-metal contact leaves microscopic air pockets that trap heat.
2
Identify the thermal transfer mechanism of Heat Pipes.
Heat pipes rely on internal phase-change fluid (evaporation and condensation) inside hollow copper tubes.
Phase change allows rapid heat transport away from the CPU cold plate to the heatsink fins.
3
Identify the role of a Radiator Assembly in liquid cooling.
The radiator receives warm coolant fluid pumped from the water block and cools it using radiator fins and mounted fans.
It acts as the primary heat exchanger between the liquid coolant loop and the computer case exhaust air.
4
Identify the defining feature of a Passive Heatsink.
Passive heatsinks do not have direct fan attachments and rely purely on ambient airflow and high surface area.
They are used in low-TDP or noise-sensitive environments where active fans are not required.

Anahtar Kavram

CPU Cooling Mechanisms and Thermal Management Components
Soru 3291Soru →

A field technician is organizing cabling components for a multi-building enterprise network deployment. The project includes connecting legacy router console ports, high-frequency broadband feeds, long-distance inter-building backbone trunks, and high-EMI industrial manufacturing floors. Match each cable and connector specification on the left to its correct physical deployment scenario on the right.

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Öğeler

DB9 connector on serial cable
RG-6 coaxial cable with F-type connector
Single-mode fiber (SMF) with LC connector
Shielded Twisted Pair (STP) Category 6A cable

Eşleşmeler

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Cevap

DB9 matches serial switch console connections; RG-6 coax with F-type matches cable modem broadband feeds; Single-mode fiber with LC matches long-distance inter-building laser links; Category 6A STP matches high-EMI 10 Gbps factory floor runs.
Each cable specification correctly matches its operational characteristics: DB9 provides RS-232 serial connectivity for device consoles; RG-6 coax with F-type connectors terminates broadband cable Internet lines; Single-mode optical fiber with LC connectors enables long-distance laser-based backbone links; and Category 6A STP provides foil-shielded 10 Gbps performance in high-EMI industrial environments.

Adım Adım Çözüm

1
Identify the primary function of DB9 serial connectors
DB9 interfaces map to RS-232 serial management connections for local switch and router consoles.
DB9 is a legacy serial port standard frequently used for out-of-band management.
2
Determine the application for RG-6 coax and F-type connectors
RG-6 coax with F-type connectors pairs with broadband cable Internet feeds.
RG-6 provides heavy shielding against interference across high frequency bands typical of cable ISP distribution.
3
Evaluate long-distance fiber optic medium requirements
Single-mode fiber (SMF) with small-form-factor LC connectors pairs with multi-kilometer backbone runs using laser transmitters.
Single-mode light paths eliminate modal dispersion, enabling transmission over long distances.
4
Identify the proper twisted-pair copper cable for high-EMI 10G environments
Category 6A STP pairs with the factory floor environment running 10 Gbps up to 100 meters.
STP includes shielding to protect signals from industrial electromagnetic interference while supporting 10GBASE-T full distance.

Anahtar Kavram

Selecting network cable types and connectors based on distance, bandwidth, environmental interference, and signal interface specifications.
Soru 3292Soru →

A technician is deploying a hot-swappable SATA III SSD drive bay in a desktop workstation. After connecting the drive bay to an internal SATA port on the motherboard, the technician inserts a SATA SSD while the operating system is running, but the system fails to recognize the drive until the computer is restarted. Upon inspecting the system's UEFI/BIOS setup, the technician finds that the SATA controller mode is currently set to IDE compatibility mode. Which action must the technician take to enable native hot-swapping capabilities for the SATA drives?

Cevabı ve açıklamayı göster

Cevap: Reconfigure the SATA controller mode in the UEFI/BIOS settings from IDE to AHCI.

Cevap

Reconfigure the SATA controller mode in the UEFI/BIOS settings from IDE to AHCI.
Reconfiguring the SATA controller mode in UEFI/BIOS from IDE to AHCI (Advanced Host Controller Interface) enables native SATA protocols. AHCI provides support for Hot Plug capability (hot-swapping drives while the OS is running) and Native Command Queuing (NCQ), allowing the operating system to dynamically detect newly attached SATA drives without requiring a system reboot.

Adım Adım Çözüm

1
Identify the storage feature requirement
Hot-swapping allows drive insertion and removal while the operating system is actively powered on and running.
The technician needs live drive recognition without requiring system reboots.
2
Analyze the current SATA controller configuration
The SATA controller is set to IDE mode, which emulates legacy parallel ATA storage controllers.
IDE compatibility mode disables advanced SATA capabilities such as Hot Plug support and Native Command Queuing (NCQ).
3
Determine the necessary controller protocol change
Switching the controller mode to AHCI (Advanced Host Controller Interface) enables native SATA driver features in the OS.
AHCI exposes hardware-level hot-plug signals to the operating system host bus adapter.

Anahtar Kavram

SATA Controller Modes (AHCI vs. IDE) and Hot-Swapping Requirements
Tahmini Süre:1m 30s
Soru 3293Soru →

A technician is troubleshooting a workstation on subnet 10.20.4.0/2410.20.4.0/24. The workstation can successfully ping other hosts on the local subnet by IP address, but it cannot access internet websites by domain name or reach server resources on remote subnets. Running `ipconfig /all` displays the following network settings:

- IPv4 Address: 10.20.4.8810.20.4.88
- Subnet Mask: 255.255.255.0255.255.255.0
- Default Gateway: 10.20.4.8810.20.4.88
- Preferred DNS Server: 10.20.4.8810.20.4.88

Which of the following configuration steps should the technician perform to resolve the connectivity issues? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: Update the Default Gateway setting to point to the local router interface IP address.; Specify the IP address of an active DNS server to handle hostname resolution.

Cevap

The technician must update the Default Gateway setting to the local router interface IP address and configure a valid DNS server IP address.
Updating the Default Gateway to the router's IP address allows packets destined for other networks to be routed appropriately. Specifying a functional DNS server enables the workstation to translate hostnames into IP addresses, restoring domain-based connectivity.

Adım Adım Çözüm

1
Analyze the ipconfig /all output
Determined that Default Gateway and Preferred DNS Server are set to the host's own IP address (10.20.4.8810.20.4.88).
A host configured with its own IP address as gateway and DNS cannot forward traffic off-subnet or resolve hostnames.
2
Correct the Default Gateway configuration
Enter the IP address of the local network router (e.g., 10.20.4.110.20.4.1).
The default gateway routes network packets intended for destinations outside the local 10.20.4.0/2410.20.4.0/24 network.
3
Correct the DNS Server configuration
Enter the IP address of a reachable DNS server.
A functional DNS server translates user domain requests into numeric IP addresses required for network communication.

Anahtar Kavram

IP Network Configuration and Host Addressing Parameters
Soru 3294Soru →

A network technician is troubleshooting poor wireless performance and frequent packet retransmissions in an office building. A site survey reveals that three nearby access points operating on the 2.4 GHz band are currently broadcasting on channels 1, 3, and 6. Which channel assignment change should the technician make to completely eliminate adjacent-channel interference among these access points?

Cevabı ve açıklamayı göster

Cevap: Reconfigure the access points to operate on channels 1, 6, and 11.

Cevap

Reconfigure the access points to operate on channels 1, 6, and 11.
In the 2.4 GHz Wi-Fi spectrum, channels 1, 6, and 11 are the only three non-overlapping 20 MHz channels available in North America. Reconfiguring the three access points to these distinct channels prevents signal overlap and resolves adjacent-channel interference.

Adım Adım Çözüm

1
Identify the frequency band and current channel configuration.
The network operates on the 2.4 GHz spectrum with access points set to channels 1, 3, and 6.
Channel 3 overlaps with both channel 1 and channel 6, causing adjacent-channel interference.
2
Determine the non-overlapping channel standard for 2.4 GHz Wi-Fi.
Channels 1, 6, and 11 are separated by 25 MHz (using 20 MHz channel widths), preventing frequency overlap.
Standard 2.4 GHz channels require at least 5 channel numbers of spacing to avoid bleeding into adjacent frequencies.
3
Select the option that configures the access points to channels 1, 6, and 11.
Adjacent-channel interference is eliminated while maximizing coverage.
This configuration adheres to 802.11 wireless deployment best practices.

Anahtar Kavram

2.4 GHz Wireless Non-Overlapping Channels
Soru 3295Soru →

A technician is evaluating drive upgrade options for a desktop system and inspecting the specifications of an M.2 expansion slot on the motherboard. Which of the following storage bus interfaces or protocols can be supported through an M.2 slot depending on the specific drive and motherboard keying? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: SATA (Serial AT Attachment); NVMe (Non-Volatile Memory Express) over PCIe

Cevap

The correct options are SATA (Serial AT Attachment) and NVMe (Non-Volatile Memory Express) over PCIe.
The M.2 standard is versatile and capable of routing both SATA and PCIe bus traffic. Depending on motherboard architecture and drive keying, an M.2 slot can interface with SATA solid-state drives or NVMe SSDs running over PCIe.

Adım Adım Çözüm

1
Identify the physical form factor vs. protocol distinction for M.2.
M.2 is a physical card form factor standard that replaces mini-PCIe and mSATA.
Understanding that M.2 carries multiple protocols is required to determine compatible drive types.
2
Determine supported protocols for M.2 motherboard slots.
M.2 slots can route both SATA bus signals and PCI Express (PCIe) signals supporting NVMe protocol.
Depending on keying (B-key, M-key, or B+M-key), the slot can operate in SATA mode or NVMe/PCIe mode.

Anahtar Kavram

M.2 Form Factor vs. Storage Bus Protocols
Soru 3296Soru →

A field technician is assembling a custom desktop workstation and installing a new Liquid All-in-One (AIO) CPU cooler onto an LGA-socket motherboard. To prevent severe thermal throttling and ensure optimal heat transfer across the CPU integrated heat spreader, which TWO of the following installation steps should the technician perform? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Peel off the transparent protective plastic film from the copper cold plate base prior to mounting the cooler.; Apply a proper amount of thermal paste to bridge microscopic air gaps between the processor and cooler mating surfaces.

Cevap

The technician must peel off the protective plastic film from the cooler's copper cold plate base and apply thermal paste between the CPU heat spreader and the cooler surface.
Proper thermal management requires removing factory protective films from cooler bases so heat conducts efficiently from the CPU's integrated heat spreader into the cold plate. Additionally, thermal paste must be applied to eliminate air pockets, ensuring maximum thermal conductivity to the liquid cooling system.

Adım Adım Çözüm

1
Inspect the copper contact plate on the AIO cooler heatsink assembly.
Identify any protective shipping stickers or plastic films attached over the thermal base.
Leaving shipping film on the cold plate prevents metal-to-metal thermal conductivity and leads to immediate CPU overheating.
2
Apply thermal compound onto the center of the CPU integrated heat spreader (IHS) prior to securing the cooler baseplate.
A thin layer of thermal compound fills microscopic surface imperfections.
Air pockets trapped between metal surfaces significantly hinder thermal dissipation.

Anahtar Kavram

CPU Thermal Cooling Installation Practices
Soru 3297Soru →

A technician is terminating a custom UTP Ethernet patch cable intended to connect a workstation directly to a patch panel wall jack wired using the ANSI/TIA-568-B standard. While crimping the workstation RJ45 connector, the technician accidentally transposes the green pair and orange pair, wiring that connector to the ANSI/TIA-568-A standard while leaving the patch panel end terminated to ANSI/TIA-568-B. Which of the following best describes the classification of this cable and its operational behavior when connected between the workstation and a modern auto-MDIX network switch port?

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Cevap: The technician constructed a crossover cable; the auto-MDIX feature on the switch port will automatically detect and reconfigure the transmit and receive signals to establish normal Gigabit network connectivity.

Cevap

The technician constructed a crossover cable; the auto-MDIX feature on the switch port will automatically detect and reconfigure the transmit and receive signals to establish normal Gigabit network connectivity.
The ANSI/TIA-568-A and ANSI/TIA-568-B standards differ primarily by transposing the green (pins 1 & 2) and orange (pins 3 & 6) pairs. Wiring T568A on one end and T568B on the opposite end creates a standard Ethernet crossover cable. Modern network hardware includes Auto-MDIX (Automatic Medium Dependent Interface Crossover), which automatically detects pin configurations and adjusts internal signal routing so full network communication is maintained.

Adım Adım Çözüm

1
Analyze the cable pinout configuration on both ends.
One RJ45 connector is terminated to T568A and the other is terminated to T568B.
T568A swaps the green pair (pins 1 & 2) and orange pair (pins 3 & 6) relative to T568B.
2
Identify the cable classification created by mismatched T568A and T568B terminations.
A cable with T568A on one end and T568B on the other is classified as an Ethernet crossover cable.
Crossover cables cross the transmit pair (TX) to receive pair (RX) between two endpoints.
3
Determine how modern network interface hardware handles crossover cabling.
The auto-MDIX protocol automatically detects the pinout and negotiates full connectivity.
Auto-MDIX eliminates the requirement for dedicated crossover cables between legacy host-to-host or switch-to-switch interfaces.

Anahtar Kavram

T568A vs T568B Pinout Standards and Auto-MDIX Behavior
Soru 3298Soru →

Match each CPU architectural feature, socket interface, or cooling technology on the left with its corresponding technical characteristic or operational feature on the right.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

Ball Grid Array (BGA) Packaging
Simultaneous Multithreading (SMT)
Vapor Chamber Cooling Solution
Land Grid Array (LGA) Socket Interface

Eşleşmeler

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Cevap

Ball Grid Array (BGA) Packaging matches processor soldered to motherboard substrate; Simultaneous Multithreading (SMT) matches exposing two logical execution threads per physical core; Vapor Chamber Cooling matches vacuum-sealed flat metal chamber phase-change liquid dissipation; Land Grid Array (LGA) Socket Interface matches positioning contact pins inside motherboard socket receptacle.
Each item accurately pairs with its unique hardware attribute: Ball Grid Array (BGA) describes non-socketed soldered CPU installation; Simultaneous Multithreading (SMT) doubles logical thread exposure per core; Vapor chamber cooling leverages internal liquid phase-change heat spreading; Land Grid Array (LGA) locates spring-loaded pins inside the motherboard socket housing.

Adım Adım Çözüm

1
Analyze CPU socket package types (BGA vs LGA vs PGA).
Identify BGA as surface-mount soldered packaging lacking a removable socket, and LGA as placing array pins inside the motherboard socket receptacle matching flat lands on the CPU base.
Distinguishing between physical CPU packaging types is critical for assessing component field-upgradeability and handling fragile motherboard pins.
2
Analyze processor thread-level architecture (SMT).
Identify SMT (Simultaneous Multithreading) as presenting two logical cores per physical core to the host operating system.
SMT optimizes architectural execution efficiency by utilizing pipeline idle cycles during memory access latencies.
3
Evaluate advanced thermal dispersion mechanics (Vapor Chamber).
Identify vapor chamber cooling as a planar phase-change heat spreader utilizing internal fluid evaporation and capillary action condensation.
Vapor chambers offer significantly higher thermal transfer performance in tight enclosure form factors compared to traditional solid copper baseplates.

Anahtar Kavram

CPU Packaging, Socket Architectures, Threading Features, and Advanced Thermal Dissipation Systems
Soru 3299Soru →

A field technician is replacing a noisy, failing CPU cooling fan and heat sink assembly inside an enterprise laptop. Place the following service procedure steps in the correct chronological order from first to last.

Öğeleri doğru sıraya koymak için sürükleyin

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Cevap

The correct service sequence is: 1) Shut down laptop and unplug AC power, 2) Remove base cover and disconnect internal battery, 3) Unplug fan connector and loosen heat sink screws, 4) Remove old thermal assembly, clean CPU surface, and apply fresh thermal paste, 5) Mount new assembly, reconnect fan header, and reconnect internal battery.
Safe laptop servicing requires isolating external AC power first, followed by removing the base cover and immediately disconnecting the internal battery to eliminate standby electrical energy. Next, fan electrical leads and heat sink fasteners are released so the old unit can be removed. The CPU die surface must be thoroughly cleaned of old compound and refreshed with new thermal paste before securing the replacement thermal module and reconnecting power.

Adım Adım Çözüm

1
Perform a complete system shutdown and unplug the AC power adapter from the laptop power port.
The device is disconnected from external electrical mains.
Protects the technician and components from live line current before opening the enclosure.
2
Unscrew the bottom panel, lift off the base cover, and detach the internal battery connector from the motherboard.
Residual standby voltage on the motherboard is safely isolated.
Prevents electrical shorts on active board traces when handling metallic tools or components.
3
Disconnect the cooling fan wire harness from the motherboard header and loosen the captive screws securing the heat sink in reverse numerical order.
The fan cable and heat sink module are released from the system board.
Prevents physical damage to delicate fan headers and ensures even tension release across the CPU die.
4
Lift out the thermal unit, clean off hardened thermal interface material using a high-percentage isopropyl alcohol wipe, and apply a small dot of new thermal paste to the CPU surface.
The CPU heat-transfer surface is clean and prepared for the replacement heat sink.
Reusing old thermal paste leaves air pockets that cause rapid CPU thermal throttling and overheating.
5
Align and seat the new fan/heat sink assembly, tighten the mounting screws in sequence, plug the fan harness into its motherboard header, and attach the internal battery cable.
The internal cooling replacement is completed and power is restored to the system board.
Ensures complete hardware integration and thermal contact prior to replacing the bottom base cover.

Anahtar Kavram

Laptop Hardware Disassembly and Thermal Module Upgrade Sequence
Tahmini Süre:1m 30s
Soru 3300Soru →

A technician is configuring a multifunction device (MFD) for an office. The organization requires users to be able to scan paper documents on the MFD and have the files delivered directly to shared folders hosted on a Windows file server. Which scanning feature or protocol should the technician configure on the MFD to meet this requirement?

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Cevap: Scan to SMB

Cevap

Scan to SMB is the feature used by multifunction devices to transmit scanned digital files directly to shared folders on a network file server.
Scan to SMB (Server Message Block) allows a multifunction device to send scanned files over the local network and place them directly into shared directories on a file server.

Adım Adım Çözüm

1
Identify the destination requirement for scanned documents
The requirement specifies storing scanned documents directly in network shared folders on a Windows file server.
Different network protocols handle email delivery, FTP transfer, and network file share access.
2
Match the requirement with standard multifunction device (MFD) protocols
Server Message Block (SMB) is the native protocol used for sharing files and folders on network servers.
Configuring Scan to SMB enables the MFD to authenticate and save PDF or image files directly into designated UNC path shared directories.

Anahtar Kavram

Multifunction Device Network Scanning Protocols (Scan to SMB / Scan to Folder)
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