Tüm alıştırma soruları

3551 soru

Soru 2841Soru

A network technician is expanding a SOHO corporate network to isolate broadcast domains between the Finance and Human Resources departments using VLANs. Both departments must be able to communicate with each other across subnets at line-rate speeds. Budget constraints prevent purchasing a dedicated external router, and the deployment must minimize network latency between subnets. Which network hardware device should the technician install to meet these requirements?

Cevabı ve açıklamayı göster

Cevap: Managed Layer 3 switch

Cevap

The technician should install a managed Layer 3 switch because it combines VLAN segmentation capabilities with hardware-based IP routing between subnets without requiring an external router.
A managed Layer 3 switch provides both VLAN tagging features and internal packet-routing capabilities. By handling inter-VLAN traffic in hardware via ASICs, it allows communication between separate IP subnets without needing a dedicated router appliance.

Adım Adım Çözüm

1
Analyze the network requirement for broadcast domain isolation.
Creating separate subnets/VLANs for Finance and Human Resources isolates broadcast domains at Layer 2.
VLAN tagging requires hardware that supports 802.1Q frame tagging.
2
Determine the inter-subnet traffic requirement and hardware constraints.
Traffic between subnets must be routed, but no dedicated external router can be purchased due to budget limitations.
Routing between VLANs normally requires a Layer 3 device (router or Layer 3 switch).
3
Select the appropriate network hardware device.
A managed Layer 3 switch performs packet routing between internal subnets directly in ASIC hardware while managing Layer 2 VLAN configurations.
Layer 3 switches fulfill both inter-VLAN routing and local port switching in a single device.

Anahtar Kavram

Layer 3 switches incorporate IP routing functionality into Layer 2 managed switches, enabling inter-VLAN routing at wire speed without requiring an external router.
Tahmini Süre:2m 0s
Soru 2842Soru

A network technician needs to centrally configure, manage, and push security profiles to thirty lightweight wireless access points deployed across a corporate office building. Which of the following network hardware devices should the technician deploy to provide this centralized management?

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Cevap: Wireless LAN controller

Cevap

A wireless LAN controller provides centralized configuration, monitoring, and management capabilities for lightweight access points in an enterprise environment.
A wireless LAN controller (WLC) is a dedicated network appliance used in enterprise environments to centrally configure, control, and manage multiple lightweight wireless access points (LWAPs). It streamlines administration by allowing security settings, RF channels, and SSID policies to be pushed to all managed APs simultaneously.

Adım Adım Çözüm

1
Identify the operational requirement described in the scenario
The scenario calls for central management and configuration deployment across multiple lightweight access points.
Lightweight access points (LWAPs) offload control and management functions to a centralized appliance.
2
Evaluate the capabilities of network hardware devices against this requirement
A wireless LAN controller (WLC) is specifically designed to manage LWAP configurations, firmware, and security policies centrally.
Other networking devices handle frame switching, IP allocation, or basic signal repeating rather than wireless control plane centralization.

Anahtar Kavram

Centralized Wireless Access Point Management
Soru 2843Soru

A technician is configuring a corporate smartphone to synchronize email, contacts, and calendar data with an enterprise server. In what chronological order should the technician perform the configuration steps?

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Cevap

The correct sequence begins with opening account setup in settings, entering credentials, configuring server and security parameters, and finally selecting the data items to synchronize.
To set up corporate synchronization, a technician must first open the account setup wizard in settings, provide user authentication credentials, enter necessary server and domain information, and finally choose which items (such as email, contacts, and calendars) to sync.

Adım Adım Çözüm

1
Open the mobile device's settings menu and initiate adding a new corporate email account.
The account setup wizard opens.
The system must know which account protocol/type is being added before prompts appear.
2
Input the user's corporate email address and password.
User credentials are provided to the setup wizard.
Authentication credentials are required to verify account identity on the network.
3
Configure the server address, domain name, and enable SSL/TLS encryption.
The device establishes a secure connection to the corporate synchronization server.
Explicit server and security options allow autodiscover or manual configuration to succeed securely.
4
Toggle on synchronization for desired items such as Mail, Contacts, and Calendars.
Data synchronization begins between the cloud/server and the smartphone.
Once connected, the user chooses which specific data categories to replicate onto the device.

Anahtar Kavram

Enterprise Mobile Account Synchronization Sequence
Soru 2844Soru

A network technician is configuring outbound traffic rules on a perimeter firewall for a dedicated network administration workstation. The workstation must be capable of establishing encrypted command-line remote management sessions with remote Linux servers and performing hostname-to-IP address resolutions against internal DNS servers. Which of the following port and transport protocol combinations must be permitted through the firewall to fulfill these requirements? (Select TWO).

Geçerli olan tümünü seçin

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Cevap: TCP port 22; UDP port 53

Cevap

The firewall must allow outbound traffic on TCP port 22 for Secure Shell (SSH) remote command-line management and UDP port 53 for Domain Name System (DNS) hostname resolution.
Secure remote command-line administration requires SSH, which uses TCP port 22 to encrypt session data. Hostname-to-IP address resolution relies on DNS, which uses UDP port 53 for standard name lookup requests.

Adım Adım Çözüm

1
Identify the protocol and port required for secure command-line administration
SSH provides encrypted shell access and operates over TCP port 22.
Telnet operates on TCP port 23 but sends credentials and commands in plaintext, making it insecure.
2
Identify the protocol and port required for hostname-to-IP resolution
DNS performs hostname resolution and standard client queries use UDP port 53.
DHCP uses UDP ports 67 and 68 for IP address leasing rather than domain name lookups.
3
Select the correct combination matching both requirements
TCP port 22 and UDP port 53 satisfy all stated requirements.
Both selected options correspond to the exact transport protocols and port numbers designated by IANA for SSH and DNS services.

Anahtar Kavram

Standard Network Ports and Transport Protocols for SSH and DNS
Tahmini Süre:2m 0s
Soru 2845Soru

A user asks a technician why connecting their mobile smartphone to an external monitor using a USB Type-C cable fails to display video, even though the cable fits securely into the port. Which of the following best explains this issue?

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Cevap: The physical USB Type-C connector shape does not guarantee that the device hardware supports video output protocols.

Cevap

The physical USB Type-C connector shape does not guarantee that the device hardware supports video output protocols.
USB Type-C refers strictly to the physical form factor of the port and cable plug. Features such as video output via DisplayPort Alternate Mode or high-speed data via Thunderbolt are optional capabilities that must be specifically designed into the host controller by the mobile device manufacturer.

Adım Adım Çözüm

1
Identify the physical connector type versus its supported underlying protocols.
The device features a USB Type-C physical interface.
USB Type-C defines the 24-pin reversible physical plug design, not the active feature set.
2
Determine why video output may fail despite physical connection compatibility.
Video transfer requires alternate protocol support (such as DisplayPort Alt Mode) built into the host device controller.
Not all mobile device manufacturers include video transmitter capabilities in their USB Type-C implementations.

Anahtar Kavram

Distinguishing physical port form factors (USB Type-C) from optional data and video transmission protocols (DisplayPort Alt Mode / Thunderbolt)
Soru 2846Soru

A technician is troubleshooting a laptop that operates normally while connected to its AC power adapter, but immediately shuts down when the adapter is unplugged, even though the operating system reports a 100%100\% battery charge. Physical inspection reveals that the trackpad is raised and sticking, indicating physical distortion of the lower chassis. Which of the following is the MOST appropriate next action for the technician to take?

Cevabı ve açıklamayı göster

Cevap: Disconnect all power sources and safely remove the battery, as it exhibits signs of physical swelling.

Cevap

Disconnect all power sources and safely remove the battery, as it exhibits signs of physical swelling.
The correct option addresses both the hardware symptom (raised/sticking trackpad due to internal expansion) and the primary safety protocol. Swollen Lithium-ion batteries present an immediate risk of fire or explosion and must be powered down, disconnected, and safely replaced before any further operation.

Adım Adım Çözüm

1
Analyze the reported symptoms and physical evidence.
The laptop powering off instantly upon AC disconnection combined with a raised trackpad indicates internal battery swelling.
Swollen Lithium-ion batteries expand inside laptop enclosures, applying upward pressure on components directly above them such as trackpads and keyboards.
2
Identify the immediate safety hazard.
Swollen batteries are structurally compromised and pose a risk of thermal runaway, gas leakage, or fire.
Safety procedures take precedence over software troubleshooting or recalibration when physical battery damage is detected.
3
Select the correct mitigation procedure.
Disconnect power immediately and remove/isolate the swollen battery following proper hazardous waste handling standards.
Removing the damaged power cell prevents further chassis damage and eliminates the active risk of fire or thermal injury.

Anahtar Kavram

Laptop Battery Swelling Diagnostics and Safety Management
Soru 2847Soru

A network technician is configuring a newly expanded corporate office floor. The layout requires three separate broadcast domains (Voice, Corporate Data, and Guest Access) to enforce network security policy and limit broadcast traffic. Currently, all workstation ports terminate at a patch panel connected to a single unmanaged switch. Users report that their computers are assigned IP addresses in the 169.254.x.x range and are unable to communicate across subnets or access external resources. Additionally, central management and hardware-based packet inspection between subnets are required at wire speed. Which network hardware device should the technician deploy to perform inter-VLAN routing, enable VLAN trunking, and relay DHCP requests to the corporate DHCP server?

Cevabı ve açıklamayı göster

Cevap: Layer 3 switch

Cevap

Deploying a Layer 3 switch resolves the connectivity and addressing issues by providing inter-VLAN routing, VLAN management, and DHCP relay functionality at hardware wire speeds.
A Layer 3 switch is designed to process both Layer 2 MAC addresses and Layer 3 IP addresses. It enables logical network segmentation via VLANs, routes traffic between those VLANs at wire speed using dedicated hardware ASICs, and supports IP helper services to forward DHCP requests across subnets to a central server.

Adım Adım Çözüm

1
Analyze client symptoms and addressing scheme
Workstations receive 169.254.x.x (APIPA) addresses, indicating that DHCP discovery requests are failing to cross network boundaries.
Unmanaged Layer 2 switches do not forward broadcast requests across isolated subnets or support IP helper/DHCP relay features.
2
Identify architectural requirements for segmentation and routing
The network demands VLAN isolation (Voice, Corporate, Guest) and high-speed inter-VLAN routing.
Layer 2 devices operate only with MAC addresses within a single broadcast domain and cannot route traffic based on IP subnets.
3
Select the appropriate network hardware device
A Layer 3 switch is selected.
Layer 3 switches inspect network-layer IP headers, execute hardware-based inter-VLAN routing via ASIC chips, process access control lists (ACLs), and relay DHCP broadcasts to centralized servers across subnets.

Anahtar Kavram

Layer 3 Switch Capabilities and Inter-VLAN Routing
Tahmini Süre:2m 0s
Soru 2848Soru

A corporate security administrator is establishing mobile access standards for employees using personal smartphones (BYOD) to handle sensitive company documents. Organizational policy mandates that corporate data must be logically separated from personal data, copy/paste functionality between corporate and personal applications must be disabled, and administrators must be capable of wiping corporate assets remotely without removing personal photos or personal applications. Additionally, the mobile email solution must support real-time two-way synchronization of emails, contacts, and calendar items across multiple devices. Which of the following solutions should the administrator implement to meet these requirements?

Cevabı ve açıklamayı göster

Cevap: Deploy a Mobile Application Management (MAM) solution utilizing containerization and data loss prevention policies, and configure email accounts using Exchange ActiveSync over TLS.

Cevap

Deploy a Mobile Application Management (MAM) solution utilizing containerization and data loss prevention policies, and configure email accounts using Exchange ActiveSync over TLS.
Mobile Application Management (MAM) provides containerization on personal (BYOD) devices to isolate corporate data from personal apps, prevent copy/paste leaks, and allow administrators to perform selective wipes of corporate data without wiping personal files. Exchange ActiveSync over TLS is the standard protocol for full, real-time two-way synchronization of email, contacts, and calendar data across endpoints.

Adım Adım Çözüm

1
Analyze BYOD policy constraints regarding remote wipe scope and data separation.
Determined that full device management (MDM) is inappropriate because personal data must remain untouched while corporate assets require isolation and selective wiping capabilities.
Mobile Application Management (MAM) isolates corporate apps inside an encrypted container on user-owned devices, allowing targeted corporate data wipes while preserving personal user data.
2
Evaluate data protection controls between application boundaries.
Containerization combined with MAM Data Loss Prevention (DLP) controls prevents data transfer (such as copy/paste or saving attachments) between corporate container applications and unmanaged personal applications.
App wrapping and container policies enforce boundary restrictions at the application execution layer.
3
Select the appropriate email protocol for full multi-object synchronization.
Selected Exchange ActiveSync over TLS.
Exchange ActiveSync supports real-time two-way synchronization of mail, contacts, and calendar items across multiple mobile endpoints, whereas legacy protocols like POP3 only retrieve inbox mail.

Anahtar Kavram

Mobile Application Management (MAM) containerization and selective wipe in BYOD environments, paired with Exchange ActiveSync protocol capabilities.
Soru 2849Soru

Match each network server role on the left with its primary service function on the right.

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Öğeler

DHCP Server
DNS Server
Syslog Server
Web Server

Eşleşmeler

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Cevap

The DHCP Server dynamically provides IP parameters to host devices; the DNS Server maps human-readable domain names to numerical IP addresses; the Syslog Server aggregates event log data from remote devices; and the Web Server serves web site pages via HTTP/HTTPS protocols.
Each server role performs a distinct service: DHCP automates IP configuration, DNS converts hostnames to IP addresses, Syslog aggregates remote device logs, and Web servers store and serve web content.

Adım Adım Çözüm

1
Analyze the core responsibilities of a DHCP server.
DHCP is responsible for dynamic automated assignment of network settings (IP address, default gateway, subnet mask).
Hosts require valid network configurations to communicate without manual administrator assignment.
2
Analyze the core responsibilities of a DNS server.
DNS converts human-friendly hostnames to IP addresses.
Network protocols require numerical IP addresses to route packets, while human users rely on readable names.
3
Analyze the core responsibilities of a Syslog server.
Syslog collects and stores event messages sent across the network by system daemons and hardware devices.
Consolidating log messages into a central repository simplifies monitoring, auditing, and troubleshooting.
4
Analyze the core responsibilities of a Web server.
A web server processes client web requests over HTTP or HTTPS and returns requested web documents.
Web browsing relies on dedicated servers configured to listen on web ports and deliver hypermedia files.

Anahtar Kavram

Network Host Services and Server Roles
Soru 2850Soru

Match each mobile application security term on the left with its corresponding operational description on the right.

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Öğeler

Sideloading
Containerization
Remote Wipe
Multifactor Authentication (MFA)

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Sideloading matches installing apps from third-party sources; Containerization matches isolating corporate data from personal data; Remote Wipe matches sanitizing lost device storage over a network command; Multifactor Authentication matches requiring two or more distinct verification credentials.
Each mobile application security term matches its designated definition: Sideloading involves installing software outside official app stores, Containerization isolates corporate workspaces from personal data, Remote Wipe erases device storage remotely, and MFA enforces multiple independent authentication methods.

Adım Adım Çözüm

1
Identify the process of installing application files outside approved vendor stores.
Matches Sideloading with unapproved third-party source installation.
Sideloading allows application installation without official vendor app store verification.
2
Identify the technology used to separate corporate and personal environments on a single mobile device.
Matches Containerization with encrypted corporate data isolation.
Containerization partitions corporate apps and data into an isolated workspace.
3
Identify the remote management command used to erase data on lost hardware.
Matches Remote Wipe with network-driven device data sanitization.
Remote wiping allows administrators to clear confidential information over the network when a physical device is lost.
4
Identify the security policy requiring multiple proof points for user access.
Matches Multifactor Authentication with requiring two or more distinct verification factors.
MFA combines distinct authentication categories like knowledge and inherence to secure application access.

Anahtar Kavram

Mobile Application Support and Security Settings
Soru 2851Soru

Match each network hardware device to its primary functional role within a enterprise network architecture.

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Öğeler

Patch Panel
Managed Switch
Media Converter
Router

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Patch Panel pairs with passive cable termination; Managed Switch pairs with Layer 2 collision domain segmentation and VLAN enforcement; Media Converter pairs with signal translation between copper and fiber optics; Router pairs with interconnecting distinct Layer 3 subnets.
Each device matches its authentic OSI layer role: patch panels provide passive cable termination, managed switches process Layer 2 frames and VLANs, media converters transition physical media signals between copper and fiber optics, and routers manage traffic between separate Layer 3 IP subnets.

Adım Adım Çözüm

1
Identify passive physical cable organization hardware.
Patch Panel is matched to passive cable termination.
Patch panels carry no active electronics and perform no packet processing, serving strictly as cable endpoints in telecom closets.
2
Differentiate Layer 2 frame switching from Layer 3 packet routing.
Managed Switch matches Layer 2 collision segmentation and VLANs, while Router matches Layer 3 IP subnet interconnection.
Switches isolate collision domains using MAC addresses within the same subnet, whereas routers connect multiple distinct subnets using IP addresses.
3
Identify physical signal conversion devices.
Media Converter matches converting copper UTP to fiber optic signals.
Media converters are used to extend cable run distances by converting electrical Ethernet signals into optical light pulses.

Anahtar Kavram

Network Hardware Device Functions and OSI Layer Roles
Soru 2852Soru

A technician is performing hardware diagnostics and component replacements on a fleet of corporate laptops. Match each observed laptop issue or component requirement to its corresponding internal hardware part or feature.

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Öğeler

The laptop display screen stays completely dark, but shining a flashlight directly at the panel reveals a faint image.
A high-performance laptop requires a storage drive replacement that interfaces directly with PCIe lanes for maximum throughput in a compact form factor.
A laptop suffers from intermittent wireless connectivity loss after a display replacement because internal antenna wires were pinched.
A technician needs to expand system memory on a thin laptop that uses non-soldered expansion slots.

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Each laptop hardware symptom or requirement is correctly matched to its specific component: faint screen output matches the display inverter board; high-speed compact PCIe storage matches the M.2 NVMe SSD; wireless connection issues following screen maintenance match the Wi-Fi card module antenna routing; and expanding laptop RAM slots matches SODIMM memory modules.
Each issue connects to its distinct hardware function: faint images signify backlight/inverter failure; high-speed M.2 NVMe drives utilize PCIe; wireless degradation after screen removal relates to Wi-Fi antenna leads routed into the lid; and laptop RAM slots require SODIMMs.

Adım Adım Çözüm

1
Analyze the faint display symptom.
Confirm the LCD panel is rendering graphics but lacks backlighting.
When a screen displays an image visible only under a light source, the issue lies in the backlight delivery system, such as a faulty inverter board.
2
Evaluate the compact storage interface requirement.
Identify M.2 NVMe solid-state drives.
M.2 NVMe SSDs leverage PCIe buses for elevated read/write speeds within laptop chassis limits.
3
Identify the root cause of post-repair wireless signal loss.
Associate antenna wiring routed to the Wi-Fi module through the hinge assembly.
Wi-Fi card antennas run into the display enclosure, making their connections vulnerable during panel disassemblies.
4
Select the correct memory form factor.
Choose SODIMM modules over full-size DIMMs.
Laptops use SODIMMs to fit small internal spaces when non-soldered memory slots are present.

Anahtar Kavram

Laptop Component Identification and Hardware Troubleshooting
Soru 2853Soru

Match each laptop hardware upgrade or replacement scenario on the left to the appropriate internal component or port interface on the right.

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Öğeler

Upgrading system RAM on a thin-and-light laptop using a compact memory module form factor
Installing a high-speed internal solid-state drive directly into a dedicated motherboard slot
Replacing a cracked display screen panel that uses direct light-emitting diodes without needing a high-voltage inverter
Connecting an external high-resolution monitor and high-speed storage array through a single versatile port

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Each laptop hardware scenario matches its corresponding component or interface based on physical form factor, power requirements, and system functionality: SODIMM for compact memory, M.2 NVMe SSD for direct slot storage, LED-backlit LCD panel for inverter-free displays, and Thunderbolt for multi-function high-speed external connectivity.
Matching each scenario requires pairing the specific physical constraint or functional requirement with its matching component standard: SODIMM for compact memory upgrade, M.2 PCIe NVMe SSD for direct slot storage, LED-backlit LCD for inverter-free display assemblies, and Thunderbolt for combined video and high-speed data delivery.

Adım Adım Çözüm

1
Identify memory requirements for laptop form factors
Laptops require SODIMM modules due to their smaller footprint compared to desktop DIMMs.
Internal chassis space in laptops is strictly limited.
2
Identify internal expansion drive standards
M.2 NVMe drives connect directly to the motherboard slot for fast storage.
M.2 drives eliminate drive bay cable bulk.
3
Differentiate display backlight technologies
LED-backlit LCD screens do not require an inverter card.
LEDs run on DC power directly provided by the system board, unlike older CCFL tubes which required AC conversion via an inverter.
4
Identify high-speed external expansion interfaces
Thunderbolt interfaces combine PCIe data and DisplayPort video traffic.
Thunderbolt provides high throughput for displays and external storage over one connector.

Anahtar Kavram

Laptop Hardware Components and Upgrades
Soru 2854Soru

A field technician is troubleshooting a corporate laptop that will not power on or charge when connected to its AC adapter. Place the troubleshooting steps in the correct order to isolate whether the issue is caused by external power, residual flea power, or a faulty battery.

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Cevap

The correct order to isolate the laptop power issue is: 1) Verify the wall outlet with a known-good device or multimeter; 2) Inspect the AC adapter and laptop DC jack for damage; 3) Disconnect power sources and hold the power button to drain residual flea power; 4) Reconnect only the AC adapter without the battery and attempt to power on the laptop.
Following standard troubleshooting methodology requires starting with the simplest external checks (verifying the AC outlet and inspecting power cables), discharging flea power to clear logic locks, and finally isolating the battery component by booting solely on AC power.

Adım Adım Çözüm

1
Verify external power supply to the wall socket.
Confirms that the electrical outlet is supplying power.
Always eliminate simple external environment issues before performing hardware diagnostics.
2
Check the external power cables and DC input connector.
Identifies broken pins, frayed cables, or unseated connections.
Ensures power can physically travel from the wall into the system board.
3
Perform a hard reset to discharge flea power.
Clears residual electrical charge trapped in board capacitors and resets the power management logic.
Flea power can prevent laptops from responding to the power button even when power components are functional.
4
Bypass the battery and test startup on AC adapter power alone.
Determines if a failing or shorted battery is preventing the power circuit from energizing.
If the laptop powers on without the battery, the battery is damaged/shorted and must be replaced.

Anahtar Kavram

Laptop Power Symptom Isolation and Flea Power Discharge Procedure
Soru 2855Soru

A IT support technician needs to upgrade the internal system memory (RAM) of a standard corporate laptop. Which memory module form factor is specifically designed for installation in laptop computers?

Cevabı ve açıklamayı göster

Cevap: SO-DIMM

Cevap

SO-DIMM (Small Outline Dual In-line Memory Module) is the correct form factor used for laptop system memory upgrades.
SO-DIMMs (Small Outline Dual In-line Memory Modules) are small-form-factor memory packages engineered specifically for laptops, all-in-one PCs, and small form factor system boards.

Adım Adım Çözüm

1
Identify the physical constraints and requirements of laptop system memory.
Laptops require compact hardware components due to space limitations inside the chassis.
Full-sized desktop components cannot fit in mobile form factors.
2
Select the RAM module form factor built specifically for laptops.
SO-DIMM (Small Outline Dual In-line Memory Module) matches laptop motherboards.
SO-DIMM modules are roughly half the length of standard desktop DIMM modules.

Anahtar Kavram

Laptop System Memory (SO-DIMM) Form Factor
Soru 2856Soru

A network administrator is auditing enterprise network services to ensure compliance with infrastructure role standards. Match each specialized network host service or server role on the left with its corresponding primary function on the right.

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Öğeler

Syslog Server
AAA / RADIUS Server
Forward Proxy Server
Spam Gateway

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Syslog Server pairs with centralizing system log messages; AAA / RADIUS Server pairs with centralizing user credential management for network access; Forward Proxy Server pairs with intercepting outbound client internet requests; Spam Gateway pairs with inspecting incoming email traffic at the network perimeter.
Each host service is correctly paired with its dedicated operational responsibility within enterprise network security and management architecture: Syslog handles log centralization, RADIUS handles network access authentication, Forward Proxy handles outbound client web filtering, and Spam Gateway handles inbound perimeter email inspection.

Adım Adım Çözüm

1
Identify the primary responsibility of a Syslog Server.
Recognize that Syslog is used to collect and aggregate event logs across network hardware and host OS environments.
Syslog standardizes system event messaging and remote log collection.
2
Identify the role of AAA/RADIUS infrastructure.
Match AAA/RADIUS with centralized authentication, authorization, and accounting for network edge devices and enterprise wireless networks.
RADIUS handles authentication and policy enforcement centrally.
3
Differentiate between proxy types and server perimeter security roles.
Associate the Forward Proxy Server with outbound HTTP/HTTPS request interception and the Spam Gateway with perimeter email traffic filtering.
Forward proxies protect clients initiating outbound traffic, whereas spam gateways protect mail servers from incoming SMTP threats.

Anahtar Kavram

Network Host Services and Server Roles
Tahmini Süre:2m 0s
Soru 2857Soru

A technician is performing an internal battery replacement on a corporate laptop. In what order should the technician perform the initial steps to safely remove the battery?

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Cevap

The technician should proceed in the following order: 1) Shut down the laptop completely and disconnect the AC power adapter, 2) Remove the bottom base enclosure cover screws and open the chassis, 3) Disconnect the battery power cable connector from the motherboard, and 4) Remove the battery retaining screws and extract the battery from the chassis.
Proper technician safety protocol dictates disconnecting AC power and turning off the device first, removing the bottom panel to access the internals, disconnecting the battery header to de-energize the motherboard, and finally unfastening and removing the battery.

Adım Adım Çözüm

1
Isolate external power
Laptop is completely powered down and disconnected from external electricity.
Prevents accidental power-on and electrical hazards.
2
Access internal components
Bottom panel is removed, exposing motherboard and battery assembly.
Allows direct physical access to internal connections.
3
Disconnect battery power connector
Motherboard is de-energized and protected from battery power.
Prevents short circuits on the motherboard while removing metal fasteners.
4
Remove retaining fasteners and battery unit
Battery is unfastened and safely lifted out of the chassis.
Completes the physical removal step safely.

Anahtar Kavram

Safe Laptop Battery Removal Procedure
Soru 2858Soru

Match each network host service or server role on the left with its corresponding primary functionality and standard port operational profile on the right.

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Öğeler

DHCP Server
DNS Server
Syslog Server
Spam Gateway / Mail Proxy

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

DHCP Server matches dynamic host configuration (UDP 67/68); DNS Server matches hostname-to-IP translation (Port 53); Syslog Server matches centralized logging (UDP 514); Spam Gateway matches perimeter email security filtering.
The correct pairings accurately align each host service role with its core networking responsibilities and standard protocol mechanisms: DHCP automates network client address leasing, DNS handles domain-to-IP resolution, Syslog aggregates remote host logs, and the Spam Gateway screens email traffic prior to internal delivery.

Adım Adım Çözüm

1
Analyze each server role listed on the left and identify its main operational purpose within a network infrastructure.
DHCP handles host address leasing, DNS resolves FQDNs, Syslog captures system logs, and Spam Gateway inspects mail traffic.
CompTIA A+ Core 1 requires identifying specific roles and default port profiles for common network host services.
2
Associate each server role with the exact matching functional description and port specification on the right.
Matched DHCP to client IP assignment, DNS to domain resolution, Syslog to log collection, and Spam Gateway to email filtering.
Verifies correct mapping without confusing related protocols or server roles.

Anahtar Kavram

Network Host Services and Server Roles
Tahmini Süre:1m 30s
Soru 2859Soru

A field technician is performing hardware maintenance, diagnostics, and component upgrades across a fleet of enterprise laptops. Match each specific hardware scenario or component requirement on the left with the correct internal laptop hardware technology or form factor on the right.

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Öğeler

Upgrading system memory on a laptop motherboard using 260-pin compact modules designed specifically for mobile platforms.
Replacing a legacy mechanical drive with a high-performance internal solid-state drive that utilizes an M-keyed slot and PCIe x4 lanes.
Troubleshooting a dim screen on an older laptop model equipped with a CCFL backlight that requires DC-to-AC power conversion.
Installing an internal expansion card connected to built-in display bezel antenna leads to enable mobile broadband cellular connectivity.

Eşleşmeler

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Cevap

Each scenario correctly pairs with its specific internal laptop component: RAM upgrades require SODIMM modules; high-speed M-keyed storage uses M.2 NVMe SSDs; legacy CCFL backlight power conversion relies on a display inverter board; cellular connectivity additions require an internal M.2 WWAN card.
Each laptop hardware scenario maps directly to its unique component specification: SODIMMs provide compact system RAM, M.2 NVMe drives deliver high-speed storage via PCIe, display inverters supply AC power to CCFL backlights, and M.2 WWAN cards connect to internal antennas for cellular connectivity.

Adım Adım Çözüm

1
Analyze memory form factor requirements
Identify that compact 260-pin memory modules for laptops are SODIMMs, distinct from full-sized desktop DIMMs.
Laptops demand small footprint memory solutions due to space constraints inside the chassis.
2
Analyze high-speed storage interface requirements
Match M-keyed slots with PCIe x4 lanes to M.2 NVMe SSDs.
M.2 NVMe drives utilize PCIe lanes for high throughput, whereas SATA drives use B-keys or standard SATA connectors.
3
Evaluate display illumination power components
Identify CCFL backlight DC-to-AC conversion as the function of a display inverter board.
LED and OLED displays do not use inverters because LEDs operate on DC power, whereas CCFL bulbs require AC voltage.
4
Identify wireless expansion modules
Connect cellular broadband needs with internal antenna leads to an M.2 WWAN card.
WWAN expansion cards provide cellular connectivity, utilizing pre-routed internal antenna wires within the screen bezel.

Anahtar Kavram

Internal Laptop Hardware Components and Upgrades
Soru 2860Soru

An employee using a personal Android smartphone under an enterprise Bring Your Own Device (BYOD) program attempts to install a custom network utility by opening an independently downloaded installation package (.apk file). The operating system immediately blocks the installation and displays a policy restriction warning. The employee opens a ticket asking why the application cannot be installed. Which of the following features or policies is directly preventing the installation of this application?

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Cevap: An enterprise Mobile Application Management (MAM) policy that disables app sideloading from untrusted or unknown sources.

Cevap

The restriction preventing the installation is an enterprise Mobile Application Management (MAM) policy that disables app sideloading from untrusted or unknown sources.
Sideloading refers to installing applications on mobile devices using source files (such as .apk packages on Android) obtained outside official app distribution channels. Disabling installation from unknown or untrusted sources via Mobile Application Management (MAM) protects enterprise environments from unverified third-party software and malware while enforcing app security settings.

Adım Adım Çözüm

1
Analyze the user symptom and installation attempt.
The user is attempting to install an Android software package (.apk file) directly from a browser download rather than an approved store.
Installing software outside official or corporate repositories is known as sideloading.
2
Evaluate the administrative scope applicable to BYOD environments.
Mobile Application Management (MAM) is designed to enforce security controls on specific application containers and installer policies without requiring full control over personal user data.
Blocking untrusted app sources (sideloading) via MAM prevents malware intrusion while respecting personal device usage.

Anahtar Kavram

Sideloading Restrictions and Mobile Application Management (MAM)
Tahmini Süre:1m 0s
ÖncekiSayfa 143 / 178Sonraki
Tüm alıştırma soruları — CompTIA A+ (Core 1 & Core 2) | Examkin