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Tüm alıştırma soruları

3551 soru

Tüm türler3,551Çoktan seçmeli1,809Çoklu seçim786Sayısal12Eşleştirme521Sıralama423
Soru 3501Soru →

A technician is setting up a high-performance workstation connected to a 2560×14402560 \times 1440 resolution monitor operating at 60 Hz. The graphics card output panel contains a DVI-D Dual-Link port, an HDMI 1.4 port, and a DisplayPort 1.2 port. When the technician connects the workstation to the monitor using a DVI cable, the display maximum resolution is capped at 1920×12001920 \times 1200 at 60 Hz, and the native 2560×14402560 \times 1440 resolution cannot be selected in the operating system. Which of the following is the MOST likely cause of this issue?

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Cevap: The technician used a Single-Link DVI-D cable, which lacks the additional pins and bandwidth required to support resolutions above 1920×12001920 \times 1200 at 60 Hz.

Cevap

The technician used a Single-Link DVI-D cable, which lacks the additional data pins and bandwidth needed for resolutions higher than 1920x1200 at 60 Hz.
Single-Link DVI cables use a single TMDS link supporting a maximum data rate of 3.96 Gbps3.96\text{ Gbps}, which caps resolution at 1920×12001920 \times 1200 at 60 Hz. To drive 2560×14402560 \times 1440 resolution over DVI, a Dual-Link DVI cable is required because it activates a second TMDS link utilizing 24 signal pins to double available bandwidth.

Adım Adım Çözüm

1
Analyze the reported symptom and requested resolution
The target resolution is 2560×14402560 \times 1440 at 60 Hz, but the system caps out at 1920×12001920 \times 1200 at 60 Hz when connected over a DVI cable.
Resolutions up to 1920×12001920 \times 1200 at 60 Hz match the exact maximum transmission limit of a Single-Link DVI cable.
2
Compare Single-Link vs. Dual-Link DVI specifications
Single-Link DVI uses one TMDS transmitter (3.96 Gbps3.96\text{ Gbps} limit, 12 signal pins). Dual-Link DVI uses two TMDS transmitters (7.92 Gbps7.92\text{ Gbps} limit, 24 signal pins) to enable resolutions up to 2560×16002560 \times 1600.
Using a Single-Link DVI cable on a Dual-Link DVI port physically limits bandwidth to Single-Link speeds, preventing 2560×14402560 \times 1440 mode from appearing in the OS.
3
Select the correct solution
Replacing the cable with a Dual-Link DVI-D cable (or switching to DisplayPort 1.2) will resolve the resolution cap.
Dual-Link DVI-D provides the necessary pin population and link bandwidth for 2560×14402560 \times 1440 resolution.

Anahtar Kavram

Single-Link vs. Dual-Link DVI Bandwidth and Pin Capabilities
Soru 3502Soru →

A system administrator is configuring inbound ACLs on a network monitoring server that periodically sends polling queries to network devices to collect hardware performance metrics. Which of the following port and transport layer protocol combinations must be opened on the target network devices to accept these incoming SNMP polling queries?

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Cevap: UDP port 161

Cevap

UDP port 161 must be opened on managed network devices to accept incoming SNMP polling queries.
Simple Network Management Protocol (SNMP) agents listen for polling requests from a management console on UDP port 161. UDP is chosen for low-overhead status polling across network infrastructure.

Adım Adım Çözüm

1
Identify the protocol required for collecting hardware metrics via polling queries.
Simple Network Management Protocol (SNMP) is used for querying status metrics from managed devices.
SNMP allows management systems to poll network nodes for status and performance data.
2
Determine the transport layer protocol and default port number used by SNMP agents for polling.
SNMP agents receive queries over UDP on port 161.
UDP port 161 is the standard port designated for SNMP manager-to-agent polling messages.

Anahtar Kavram

Simple Network Management Protocol (SNMP) Port and Transport Layer Requirements
Soru 3503Soru →

A network technician is preparing to run Ethernet cabling through an HVAC plenum space above ceiling tiles to connect a high-performance server. The connection must support 10 Gbps throughput at a distance of 85 meters while adhering to strict building fire safety regulations. Which of the following cabling standards and jacket ratings should the technician select? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: Category 6a (Cat 6a) cabling; CMP (Plenum-rated) jacket

Cevap

The technician must select Category 6a (Cat 6a) cabling and a CMP (Plenum-rated) jacket.
Category 6a (Cat 6a) provides 10 Gbps bandwidth up to the full 100-meter standard distance, satisfying the 85-meter requirement. Additionally, CMP (Plenum-rated) cabling is coated with fire-retardant materials that emit minimal toxic smoke, fulfilling environmental air space safety regulations.

Adım Adım Çözüm

1
Determine the required cable category for bandwidth and distance
Cat 6a supports 10 Gbps up to 100 meters, whereas standard Cat 6 is limited to 55 meters for 10 Gbps speeds and Cat 5e maxes out at 1 Gbps.
The scenario requires 10 Gbps throughput across an 85-meter span.
2
Determine the necessary cable fire safety rating
CMP (Communications Multipurpose Cable, Plenum) is required for air-handling plenum spaces.
Plenum spaces circulate environmental air; burning non-plenum cable releases dangerous toxic fumes into the ventilation system.

Anahtar Kavram

Twisted pair cable performance standards and plenum vs. riser jacket fire ratings
Soru 3504Soru →

A technician is setting up a new wireless multifunction device (MFD) in a small office environment. Which of the following sequence of steps correctly configures the MFD on the local wireless network and connects it to a user workstation?

Öğeleri doğru sıraya koymak için sürükleyin

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Cevap

The correct sequence for configuring a wireless network printer is: First, access the wireless setup wizard on the printer's front panel interface. Second, select the target Wi-Fi SSID and enter the security key to establish connection. Third, print a network configuration page to confirm IP address assignment. Fourth, add the printer on the workstation using its IP address. Fifth, install the correct manufacturer print driver when prompted by the operating system.
The correct deployment order requires connecting the physical printer hardware to the wireless network first (initiating setup via front panel, authenticating with SSID/key), confirming network connection parameters (printing a status page for the IP address), and finally configuring the workstation end (adding the device by IP address and loading the appropriate print driver).

Adım Adım Çözüm

1
Initiate wireless network setup at the printer control panel.
The printer displays available wireless networks.
Before a workstation can discover the device, the printer must first be configured on the physical network.
2
Authenticate the printer onto the wireless network using the correct SSID and passphrase.
The printer connects to the wireless access point.
Wireless security authentication is mandatory for network access.
3
Print a network configuration test page from the printer control panel.
The assigned IP address and network status are verified.
Verifying the IP address ensures the printer is reachable on the local subnet.
4
Add the network printer on the workstation using the confirmed IP address.
The workstation connects to the printer across the IP network.
Specifying the direct IP address ensures reliable communication between the client operating system and the hardware.
5
Install the manufacturer-supplied print driver.
Full printing capabilities and device features are enabled on the workstation.
Appropriate drivers translate print commands into printer-understandable page description languages like PCL or PostScript.

Anahtar Kavram

Wireless Network Printer Setup and Configuration Sequence
Soru 3505Soru →

A network administrator is deploying a new multifunction device (MFD) on a corporate network segment. Security policy requires that all administrative management sessions to the MFD's web interface be encrypted, and that all outgoing scan-to-email traffic securely authenticates with the corporate mail server while encrypting data in transit. Which TWO of the following settings must the administrator configure on the MFD's Embedded Web Server (EWS) to satisfy these requirements?

Geçerli olan tümünü seçin

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Cevap: Enforce HTTPS access for web management using a valid TLS digital certificate; Configure SMTP settings to use Port 587 with STARTTLS encryption and mandatory server authentication

Cevap

The administrator must enforce HTTPS access for web management using a valid TLS digital certificate, and configure SMTP settings to use Port 587 with STARTTLS encryption and mandatory server authentication.
To fulfill the requirements, the administrator must enforce HTTPS for web management (encrypting administrative sessions over TLS) and configure SMTP with STARTTLS on Port 587 along with authentication (ensuring outgoing scan-to-email messages are authenticated and encrypted in transit).

Adım Adım Çözüm

1
Identify the protocol requirements for encrypted MFD administrative access.
Web management via an Embedded Web Server (EWS) must use HTTPS (Port 443) backed by TLS certificates rather than unencrypted HTTP (Port 80).
Security policies require encrypted administrative management traffic.
2
Identify the protocol and port configuration for sending scanned emails securely.
Scan-to-email requires outbound mail transfer using SMTP with authentication enabled and STARTTLS/TLS encryption on submission ports such as 587.
SMTP is the standard protocol for sending outgoing email notifications and scans from network devices.

Anahtar Kavram

Multifunction Device Embedded Web Server (EWS) Secure Network Configuration
Tahmini Süre:2m 0s
Soru 3506Soru →

A field technician is inspecting a desktop workstation that is experiencing memory throughput bottlenecks. Motherboard specifications indicate that DIMM Slot 1 and Slot 2 are wired to Channel A, while DIMM Slot 3 and Slot 4 are wired to Channel B. Currently, two identical 16 GB memory modules are populated in Slot 1 and Slot 2, causing the system to operate in single-channel mode. Which of the following actions should the technician perform to enable multi-channel memory operation without purchasing extra components?

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Cevap: Relocate the memory module from Slot 2 to Slot 3 to populate one module in Channel A and one module in Channel B.

Cevap

Relocate the memory module from Slot 2 to Slot 3 to populate one module in Channel A and one module in Channel B.
Dual-channel architecture doubles potential memory bandwidth by accessing two memory modules on separate channels simultaneously. Motherboard slots are assigned to specific channels (in this scenario, Channel A = Slots 1 & 2, Channel B = Slots 3 & 4). Moving one module to Slot 3 ensures one module resides in Channel A and one in Channel B, enabling dual-channel operation without requiring new hardware.

Adım Adım Çözüm

1
Identify memory channel architecture from motherboard layout.
Slot 1 and Slot 2 belong to Channel A; Slot 3 and Slot 4 belong to Channel B.
Dual-channel memory performance requires distributing matching memory modules across both independent channels.
2
Analyze current module placement.
Both modules are in Channel A (Slots 1 and 2), restricting throughput to single-channel mode.
Channel B has zero modules populated.
3
Reconfigure module locations across separate channels.
Placing one module in Slot 1 (Channel A) and one module in Slot 3 (Channel B) activates dual-channel mode.
Equal memory capacity across Channel A and Channel B satisfies symmetric dual-channel requirements.

Anahtar Kavram

Dual-Channel RAM Slot Population and Channel Architecture
Tahmini Süre:2m 0s
Soru 3507Soru →

A technician is installing a dedicated high-performance graphics card into a desktop computer. Which of the following components and power connections are required to properly install and supply supplementary power to this expansion card? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: A dedicated PCIe 6-pin or 8-pin auxiliary power cable from the power supply unit; A physical PCIe x16 motherboard expansion slot

Cevap

A dedicated PCIe 6-pin or 8-pin auxiliary power cable from the power supply unit and a physical PCIe x16 motherboard expansion slot are required.
Installing a high-performance graphics card requires inserting the card into a physical PCIe x16 slot for maximum bus bandwidth and connecting dedicated 6-pin or 8-pin PCIe power cables from the power supply to meet the card's wattage requirements above the 75 W provided by the slot.

Adım Adım Çözüm

1
Identify the required expansion slot type for a high-performance graphics card.
The card requires a PCIe x16 motherboard slot.
PCIe x16 provides the physical dimensions and maximum bus bandwidth needed for video processing.
2
Determine the supplementary power requirement beyond standard slot power.
Connect a 6-pin or 8-pin PCIe auxiliary power cable directly from the power supply to the graphics card.
The PCIe motherboard slot provides up to 75 W of power; power draw exceeding 75 W must be supplied via dedicated PCIe auxiliary cables.

Anahtar Kavram

Expansion card slot bandwidth and PCIe power supply connections
Soru 3508Soru →

Match each storage drive interface or form factor standard with its primary physical or operational specification.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

U.2 (SFF-8639)
SAS (Serial Attached SCSI)
eSATA
NVMe over M.2 (M-Key)

Eşleşmeler

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Cevap

U.2 matches with the 2.5-inch enterprise form factor interface utilizing four PCIe lanes; SAS matches with the high-density enterprise server drive standard supporting dual-port connectivity; eSATA matches with the external storage connection standard limited to 6 Gbps requiring separate power; NVMe over M.2 (M-Key) matches with the compact internal expansion card slot supporting up to four PCIe lanes.
Each interface standard is matched accurately based on physical form factor, bus capability, pin keying, and enterprise features: U.2 connects 2.5-inch PCIe NVMe drives; SAS offers enterprise features like dual-porting; eSATA offers external 6 Gbps connectivity without inline power; and M.2 M-key handles up to four PCIe lanes for internal SSDs.

Adım Adım Çözüm

1
Identify the enterprise 2.5-inch NVMe drive interface standard
Recognize that U.2 (SFF-8639) provides hot-swappable 2.5-inch PCIe NVMe functionality.
U.2 was introduced specifically to bring x4 PCIe lane performance to standard 2.5-inch drive enclosure bays.
2
Evaluate enterprise point-to-point serial storage features
Associate SAS with dual-porting capabilities and backplane SATA drive compatibility.
SAS host controllers can accept SATA drives, whereas SAS drives require SAS controllers due to dual-port signaling provisions.
3
Assess external storage bus constraints
Identify eSATA as an external 6 Gbps bus standard lacking integrated power lines.
Standard eSATA cables transmit signal data only, requiring an external power supply or power brick for the drive.
4
Determine M.2 keying and bus lane allocation
Pair M.2 M-Key with 4-lane PCIe NVMe internal expansion storage.
M-keying allows 4 PCIe lanes (PCIe x4) for max throughput client solid-state drives.

Anahtar Kavram

Storage Devices and Interfaces
Soru 3509Soru →

A technician is preparing to replace a failed motherboard and power supply inside a system case. The technician selects a Micro-ATX motherboard to replace the previous standard ATX board. Which of the following technical characteristics regarding motherboard form factor compatibility and power delivery standards are accurate for this deployment? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: The Micro-ATX motherboard can be installed inside the existing ATX-compatible chassis because Micro-ATX uses a subset of standard ATX mounting hole patterns.; The standard 24-pin ATX main power connector delivers +3.3 V, +5 V, +12 V, and -12 V direct current power directly to the motherboard PCB.

Cevap

Micro-ATX motherboards utilize a subset of standard ATX mounting hole locations, enabling installation in standard ATX cases. Additionally, the 24-pin ATX main power connector delivers +3.3 V, +5 V, +12 V, and -12 V power rails directly to the motherboard.
Micro-ATX motherboards share standardized mounting hole layouts and backplate dimensions with full-size ATX cases, making them backward-compatible with ATX computer chassis. Furthermore, the 24-pin ATX P1 power connector is the main power interface delivering +3.3V, +5V, +12V, and -12V direct current voltages directly to the system motherboard.

Adım Adım Çözüm

1
Analyze form factor dimensional compatibility.
Micro-ATX motherboards measure up to 9.6 × 9.6 inches and share mounting hole layouts with the 12 × 9.6 inch ATX specification.
Chassis manufacturers build ATX cases with standoff positions that accommodate both ATX and Micro-ATX boards.
2
Evaluate motherboard power connector specifications.
The standard 24-pin P1 connector provides essential DC voltage rails (+3.3V, +5V, +12V, -12V) and control lines.
This main connector supplies board logic, chipset, memory, and low-power expansion slots.
3
Verify storage and memory socket protocol support to eliminate false options.
M.2 slots natively support PCIe NVMe drives, and dual-channel memory requires installing modules into alternating slots belonging to separate channels.
Confusing interface protocols or improper memory slot alignment leads to reduced performance or system POST failures.

Anahtar Kavram

Motherboard Form Factors and Power Connectors
Soru 3510Soru →

A technician is building a high-performance workstation and installing a new processor along with an All-In-One (AIO) liquid cooling system. Which of the following statements regarding CPU socket architecture and cooling thermal management are correct? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: Land Grid Array (LGA) socket designs position the delicate contact pins inside the motherboard socket rather than on the processor package.; The protective plastic film covering the AIO cooler's copper cold plate must be peeled off before mounting the heat sink block onto the processor.

Cevap

The correct statements are that Land Grid Array (LGA) sockets place the contact pins on the motherboard rather than on the CPU package, and that the plastic protective film must be removed from the AIO cooling block's copper plate before mounting.
Land Grid Array (LGA) sockets locate contact pins inside the motherboard socket mating with flat pads on the CPU package. Additionally, removing the protective factory plastic layer from an AIO liquid cooler cold plate is essential for direct thermal conduction between the CPU and the cooler.

Adım Adım Çözüm

1
Analyze CPU socket architecture characteristics.
Identify that LGA sockets place pins on the motherboard socket, whereas PGA processors carry pins on the chip itself.
Understanding socket designs ensures proper handling and prevents pin damage during CPU installation.
2
Evaluate AIO thermal cooling preparation steps.
Confirm that any protective plastic covering on the cooling block's copper base must be removed before contact with thermal compound.
Failing to remove the plastic layer blocks heat transfer from the processor's integrated heat spreader (IHS) to the cooling unit.

Anahtar Kavram

CPU Socket Architecture (LGA vs. PGA) and Thermal Management Procedures
Soru 3511Soru →

A field technician is disassembling several laptop screen assemblies of varying generations to inventory spare replacement parts. The technician needs to separate components specific to legacy CCFL-backlit LCD screens from components present in modern OLED displays. Which TWO of the following components are unique to legacy CCFL-backlit LCD screens and will NOT be found in an OLED display assembly?

Geçerli olan tümünü seçin

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Cevap: High-voltage backlight inverter board; Cold Cathode Fluorescent Lamp (CCFL) lighting tube

Cevap

The high-voltage backlight inverter board and the Cold Cathode Fluorescent Lamp (CCFL) lighting tube are unique to legacy LCD displays and are not used in OLED displays.
Legacy LCD screens require a Cold Cathode Fluorescent Lamp (CCFL) to provide uniform backlight and a high-voltage inverter board to convert the laptop's DC power to AC for the lamp. Organic Light-Emitting Diode (OLED) displays feature self-emissive organic compounds at each pixel, entirely eliminating the need for a separate backlight tube or an inverter circuit.

Adım Adım Çözüm

1
Analyze the illumination technology of OLED panels.
OLED sub-pixels are self-emissive, meaning they generate light individually when electricity is applied.
Because OLED pixels generate their own light, OLED displays eliminate the need for a background light source (backlight) or any supporting power supply modules for backlighting.
2
Analyze the light source and power requirements of legacy CCFL LCD panels.
Legacy LCD displays rely on Cold Cathode Fluorescent Lamps (CCFL) for backlighting, which require direct current (DC) from the motherboard to be converted into high-voltage alternating current (AC) by an inverter board.
Neither the CCFL lighting tube nor the high-voltage inverter board is needed or present in an OLED assembly.
3
Identify shared display enclosure components.
Antenna harnesses, webcams, microphones, and internal video data cables are common across both LCD and OLED assemblies.
These auxiliary components provide connectivity, video signal transfer, and user input regardless of the underlying screen display technology.

Anahtar Kavram

Structural differences between LCD (CCFL/LED backlit) and OLED (self-emissive) laptop displays.
Soru 3512Soru →

A system integrator is configuring a dedicated video rendering workstation. The base system (CPU, motherboard, RAM, and storage) has a total continuous baseline power requirement of 220 W220\text{ W}. The technician installs two identical high-performance GPU accelerator cards, each rated for a peak power consumption of 190 W190\text{ W}, alongside a PCIe audio/video capture card drawing 35 W35\text{ W}. According to organization guidelines, the power supply unit (PSU) must be sized such that the maximum anticipated peak load does not exceed 70%70\% of the PSU's rated wattage capacity. Which of the following represents the minimum standard rated PSU wattage the technician must install to meet this requirement?

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Cevap: 1000 W1000\text{ W}

Cevap

A power supply rated for at least 1000 W1000\text{ W} must be installed.
Summing the peak power draw for all internal hardware yields 220 W+2(190 W)+35 W=635 W220\text{ W} + 2(190\text{ W}) + 35\text{ W} = 635\text{ W}. Dividing this peak draw by the maximum allowable load factor of 0.700.70 (70%70\%) requires a minimum power supply rating of approximately 907.14 W907.14\text{ W}. The smallest standard wattage tier above this threshold is 1000 W1000\text{ W}.

Adım Adım Çözüm

1
Calculate total peak power consumption of all system components.
Baseline (220 W220\text{ W}) + Dual GPUs (2×190 W=380 W2 \times 190\text{ W} = 380\text{ W}) + PCIe Capture Card (35 W35\text{ W}) = 635 W635\text{ W} total peak draw.
Accurate power sizing requires combining all system loads under maximum operating stress.
2
Apply the 70%70\% maximum continuous load rule to find the minimum required PSU rating.
Minimum PSU Rating = 635 W0.70≈907.14 W\frac{635\text{ W}}{0.70} \approx 907.14\text{ W}.
The system policy limits peak load to 70%70\% of the PSU capacity to ensure thermal efficiency and handle transient voltage spikes.
3
Select the lowest standard power supply rating that meets or exceeds 907.14 W907.14\text{ W}.
The standard power supply rating that satisfies this threshold is 1000 W1000\text{ W}.
PSUs are manufactured in standardized wattage tiers (650 W650\text{ W}, 750 W750\text{ W}, 850 W850\text{ W}, 1000 W1000\text{ W}); 850 W850\text{ W} would operate at ≈74.7%\approx 74.7\% load, violating policy.

Anahtar Kavram

Power supply unit (PSU) wattage calculation and safety headroom provisioning
Tahmini Süre:2m 0s
Soru 3513Soru →

A systems engineer is deploying a shared multifunction device (MFD) in a financial corporate office. To comply with security policies, users must authenticate at the MFD console using their domain credentials before accessing device features, and scanned documents must be saved directly to individual network home folders over the local network using a network file sharing protocol. Which TWO of the following configurations must be performed on the MFD to achieve this setup?

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Configure LDAP or Active Directory authentication integration on the MFD; Enable SMB protocol settings and specify target network folder paths

Cevap

The required configurations are integrating LDAP or Active Directory authentication on the MFD and enabling SMB protocol settings with target network folder paths.
To authenticate users against corporate domain credentials at the MFD console, LDAP or Active Directory integration must be configured. To deliver scanned files to network shared folders, SMB must be enabled along with the appropriate network share paths.

Adım Adım Çözüm

1
Identify the authentication requirement at the MFD console.
Configuring LDAP/Active Directory allows the MFD to query central domain controllers to authenticate user credentials entered at the device.
Centralized directory services like LDAP/AD provide domain user authentication for networked peripherals.
2
Identify the protocol required for saving scanned documents directly to network shares.
Enabling SMB allows the MFD to transfer files directly to Windows shared folders or network storage paths.
SMB is the primary network protocol used for Scan-to-Folder functionality on multifunction printers.

Anahtar Kavram

Multifunction Device Network Authentication and Scan-to-Folder Configuration
Soru 3514Soru →

A network technician is configuring firewall rules to secure administrative access for a newly deployed web server. The management policy requires enabling secure encrypted command-line administration and secure encrypted web management interfaces while blocking unencrypted legacy protocols. Which of the following port and protocol combinations must the technician permit through the firewall to meet these requirements? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: TCP port 22 for SSH; TCP port 443 for HTTPS

Cevap

The technician must permit TCP port 22 for Secure Shell (SSH) to enable encrypted command-line administration and TCP port 443 for Hypertext Transfer Protocol Secure (HTTPS) to enable encrypted web administration.
SSH (TCP port 22) satisfies the requirement for secure command-line administration, while HTTPS (TCP port 443) fulfills the requirement for secure web management. Both protocols encrypt session traffic to prevent eavesdropping and credential theft.

Adım Adım Çözüm

1
Determine the required service functions
The requirements demand secure command-line administration (SSH) and secure web management (HTTPS).
Unencrypted protocols (Telnet and HTTP) send credentials in cleartext and violate security policy.
2
Map the secure protocols to standard transport port numbers
SSH uses TCP port 22 and HTTPS uses TCP port 443.
Firewalls filter network traffic based on destination TCP/UDP port numbers associated with specific services.

Anahtar Kavram

Standard port assignments for secure remote access (SSH on TCP 22) and secure web communications (HTTPS on TCP 443).
Soru 3515Soru →

An IT specialist is configuring memory upgrades for a batch of high-performance mobile workstations used for field site telemetry analysis. The system hardware specifications require DDR4 memory operating in a dual-channel configuration. Which TWO of the following requirements must be satisfied when selecting and installing these memory modules to guarantee physical compatibility and dual-channel performance?

Geçerli olan tümünü seçin

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Cevap: Select 260-pin SO-DIMM modules specifically designed for mobile form factors.; Install identical capacity modules into designated matching slots across separate memory channels.

Cevap

To ensure proper installation and dual-channel operation on mobile workstations, the technician must select 260-pin SO-DIMM form-factor modules and populate identical modules into matching slots across separate memory channels.
Selecting 260-pin SO-DIMM modules ensures proper physical fit in mobile workstation motherboard slots, while populating identical memory modules in matching slots across distinct memory channels activates dual-channel throughput.

Adım Adım Çözüm

1
Determine the physical form factor requirement for mobile workstations.
Laptops and mobile workstations use Small Outline Dual In-line Memory Modules (SO-DIMMs), which feature 260 pins for DDR4 memory, unlike standard 288-pin desktop DIMMs.
Full-size desktop DIMMs will not physically fit into mobile motherboard slots.
2
Determine the installation arrangement required for dual-channel memory activation.
Modules must be installed in alternating/color-coded slots corresponding to separate channels (e.g., Slot 1 and Slot 3 or Channel A Slot 1 and Channel B Slot 1).
Populating adjacent slots (Slot 1 and Slot 2) typically places both modules on the same memory channel, resulting in single-channel operation.

Anahtar Kavram

RAM Form Factors and Dual-Channel Slot Population Rules
Tahmini Süre:2m 0s
Soru 3516Soru →

An IT support technician is configuring a workstation to host 64-bit client virtual machines for a development team. When launching the hypervisor, an error indicates that hardware-assisted virtualization is disabled. Which of the following processor features or settings should the technician enable in the system's UEFI/BIOS configuration to resolve this issue?

Cevabı ve açıklamayı göster

Cevap: Intel VT-x or AMD-V hardware virtualization support

Cevap

Intel VT-x or AMD-V hardware virtualization support
Hardware-assisted virtualization extensions (Intel VT-x for Intel processors and AMD-V for AMD processors) allow hypervisors to run guest operating systems with direct access to hardware virtualization capabilities. Enabling this option in the UEFI/BIOS menu directly resolves hypervisor errors regarding disabled hardware virtualization.

Adım Adım Çözüm

1
Analyze the error message reported by the hypervisor
Identified that the hypervisor cannot execute 64-bit virtual machines because hardware virtualization support is disabled at the system level.
Modern 64-bit hypervisors rely on processor-level hardware extensions to manage guest virtual machine operations safely and efficiently.
2
Identify the required CPU architecture feature
Selected Intel VT-x (Intel Virtualization Technology) or AMD-V (AMD Virtualization) as the corresponding processor feature.
These specific instruction set extensions enable hardware-assisted virtualization on Intel and AMD processors respectively.
3
Determine the corrective action in firmware
Access the motherboard's UEFI/BIOS configuration menu and enable the Intel VT-x or AMD-V setting.
Many motherboard manufacturers disable hardware virtualization extensions by default for security or power management reasons.

Anahtar Kavram

Hardware-assisted CPU Virtualization (Intel VT-x / AMD-V)
Tahmini Süre:1m 0s
Soru 3517Soru →

A field technician is setting up workstation peripherals and out-of-band network management connections for a new enterprise office. The installation requires high-throughput data connectivity, multi-monitor display routing over a single cable type, and a dedicated legacy serial console link to a network switch. Which of the following statements regarding these peripheral cables and connectors are correct? (Select TWO).

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Thunderbolt 4 cables using the USB Type-C physical form factor provide up to 40 Gbps throughput while encapsulating both PCIe peripheral data and DisplayPort video streams.; A DB-9 connector operating on the RS-232 protocol is standard for out-of-band asynchronous serial management connections to network hardware.

Cevap

The statement regarding Thunderbolt 4 over USB Type-C offering 40 Gbps with PCIe and DisplayPort encapsulation, and the statement regarding DB-9 / RS-232 serial connectors for console management are both correct.
Thunderbolt 4 uses the USB Type-C physical form factor to deliver up to 40 Gbps bandwidth while encapsulating PCIe and DisplayPort video streams. Additionally, DB-9 connectors utilizing the RS-232 serial protocol remain standard for connecting out-of-band management terminals to enterprise network appliances.

Adım Adım Çözüm

1
Analyze high-throughput and multi-stream peripheral requirements.
Identify that Thunderbolt 4 uses the USB Type-C connector, supporting 40 Gbps along with PCIe data pass-through and DisplayPort Alt Mode.
Thunderbolt 4 unifies display, high-speed storage, and expansion bus communications into one physical standard.
2
Analyze out-of-band serial management interface standards.
Identify that DB-9 (DE-9) connectors using RS-232 signaling provide legacy asynchronous serial console connectivity.
Enterprise switches and network appliances rely on RS-232 DB-9 serial ports (or RJ45 serial adapters) for terminal configuration.
3
Evaluate distractors related to USB Type-C protocols and analog video limitations.
Reject the claim that all USB Type-C cables support Thunderbolt 4/DisplayPort Alt Mode, as physical connector shape does not guarantee protocol capabilities. Reject VGA analog cabling for digital 4K audio/video transmission.
Form factor must be distinguished from protocol capability, and legacy analog standards (VGA) lack digital audio/high bandwidth support.

Anahtar Kavram

Distinguishing peripheral connector form factors (USB-C, DB-9) from underlying interface protocols (Thunderbolt 4, RS-232) and bandwidth/signal capabilities.
Soru 3518Soru →

A field service technician is provisioning a cellular-enabled tablet for a remote employee. Although the SIM card is physically inserted, the tablet fails to register subscriber data services. The cellular carrier reports that the technician provided the 15-digit unique serial number tied to the tablet's physical wireless hardware modem instead of the account subscriber identifier. Which identifier was mistakenly submitted to the carrier?

Cevabı ve açıklamayı göster

Cevap: IMEI (International Mobile Equipment Identity)

Cevap

The IMEI (International Mobile Equipment Identity) was mistakenly submitted because it identifies the physical mobile hardware device rather than the SIM card subscriber profile.
The correct answer is IMEI (International Mobile Equipment Identity). The IMEI is a 15-digit global hardware identifier permanently assigned to the physical mobile device and its cellular radio interface. Submitting the IMEI identifies the physical device model and serial status, but does not provide the subscriber authentication credentials linked to the SIM card.

Adım Adım Çözüm

1
Analyze the scenario requirements
The technician submitted a 15-digit hardware serial number assigned to the physical mobile modem.
Differentiating between hardware identifiers and subscriber profile identifiers is critical during cellular provisioning.
2
Identify cellular hardware vs. subscriber identifiers
IMEI represents the physical equipment modem, while IMSI represents the subscriber account on the SIM card.
Providing the IMEI to activate subscriber services fails because the network authenticates subscriptions via the IMSI/SIM profile.

Anahtar Kavram

Mobile Device Cellular Identifiers (IMEI vs. IMSI)
Tahmini Süre:1m 15s
Soru 3519Soru →

An organization is deploying a new web application using a Platform as a Service (PaaS) cloud model. Which of the following operational layers are managed directly by the cloud service provider in this service model? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Operating system updates and security patches; Physical server hardware and virtualization layer

Cevap

In a Platform as a Service (PaaS) environment, the provider handles operating system patching and physical hardware infrastructure, while the customer maintains control over custom code and data.
In Platform as a Service (PaaS), the cloud vendor provides a fully managed runtime environment. This includes servicing the underlying physical hardware, virtualized hypervisors, and operating system maintenance. The developer/customer is only responsible for writing application code and managing datasets.

Adım Adım Çözüm

1
Identify the requested cloud service model
The scenario specifies Platform as a Service (PaaS).
Different service models divide customer vs. provider responsibilities at different architectural layers.
2
Differentiate shared responsibility boundaries for PaaS
PaaS providers supply the runtime environment, middleware, operating systems, hypervisors, and physical hardware. Customers supply application code and user data.
PaaS frees developers from managing OS configurations and server hardware.
3
Select matching provider responsibilities
Operating system updates and physical server infrastructure are provider responsibilities.
These match the platform and infrastructure management tier managed by the vendor.

Anahtar Kavram

Shared Responsibility Model in Platform as a Service (PaaS)
Tahmini Süre:45s
Soru 3520Soru →

An enterprise environment requires a newly added multifunction device (MFD) to route scanned documents directly to internal email recipients. During setup via the Embedded Web Server (EWS), scan delivery attempts fail with a connection timeout error. Diagnostic logs reveal the device is attempting unencrypted transmission over port 25 without a network gateway specified, whereas the enterprise mail server mandates encrypted transport and proper subnetwork routing. Which configuration changes must be made on the MFD to restore Scan-to-Email functionality?

Cevabı ve açıklamayı göster

Cevap: Configure the SMTP server settings to use port 587 with TLS encryption, enter authentication credentials, and define the correct default gateway IP address.

Cevap

Configure the SMTP server settings to use port 587 with TLS encryption, enter authentication credentials, and define the correct default gateway IP address.
To resolve Scan-to-Email failures where the mail server enforces encryption and authenticates senders, the MFD must be configured to use SMTP with TLS on port 587 (or port 465) along with valid authentication credentials. Adding the default gateway enables the MFD to route network packets to mail servers located outside the local IP subnet.

Adım Adım Çözüm

1
Identify the required network service for sending scanned documents to email endpoints.
Scan-to-Email relies on Simple Mail Transfer Protocol (SMTP).
MFDs act as email clients submitting messages to an SMTP relay or mail server.
2
Determine the secure transport port and encryption method required by modern mail servers.
SMTP submission uses port 587 with TLS (or port 465 with implicit SSL/TLS), replacing legacy unencrypted port 25.
Enterprise mail infrastructure enforces encrypted transmission and user authentication to prevent unauthorized relaying.
3
Verify network layer routing parameters in the MFD configuration.
Assigning a valid default gateway IP address allows the MFD to route packets beyond its local subnet.
Without a default gateway, traffic destined for off-subnet mail servers cannot be routed.

Anahtar Kavram

MFD Network Configuration and Secure Scan-to-Email Setup
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