Tüm alıştırma soruları

3551 soru

Soru 2881Soru

A network technician is deploying core host infrastructure for a new branch office location. The branch needs local automated IP address configuration and internal name resolution capabilities that remain operational even if the WAN link to headquarters drops. Company policy strictly prohibits endpoint devices from resorting to APIPA link-local addressing or using external public resolvers. Which TWO of the following host server roles should the technician install and configure on the local branch server to satisfy these requirements? (Select TWO.)

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Cevap: DHCP server role to automatically lease IP addresses, subnet masks, and default gateway settings to client endpoints; DNS server role to host local lookup zones and resolve internal hostnames to IP addresses for branch resources

Cevap

The technician must deploy a local DHCP server role to handle IP address leases and a local DNS server role to manage internal hostname-to-IP resolution.
To satisfy local independence and prevent client fallback behavior, the server requires a DHCP role (to supply IP addresses, masks, and gateway information dynamically) and a DNS role (to resolve hostnames locally without WAN access).

Adım Adım Çözüm

1
Analyze the requirement for local, automated IP address distribution.
Dynamic Host Configuration Protocol (DHCP) is the host service responsible for leasing IP addresses, subnet masks, default gateways, and DNS server pointers to endpoints.
Deploying DHCP locally ensures clients receive proper network configurations without relying on remote servers across a potentially disconnected WAN.
2
Analyze the requirement for internal name resolution.
Domain Name System (DNS) is the server role that resolves human-readable hostnames to network IP addresses.
Hosting a DNS server at the branch location allows local name queries to resolve independently of external internet or corporate WAN connectivity.
3
Evaluate and eliminate incorrect host roles.
Syslog aggregates event logs rather than managing network settings, and APIPA is an unmanaged client fallback mechanism rather than an infrastructure server role.
Distinguishing between log management, client fallback mechanisms, and active configuration services ensures accurate role selection.

Anahtar Kavram

Network Host Services: Roles of DHCP and DNS Servers
Tahmini Süre:2m 0s
Soru 2882Soru

A network administrator is setting up centralized log management for an organization's network infrastructure. Edge routers, firewalls, and layer 3 switches must continuously transmit system events, audit trails, and status notifications to a central server using UDP port 514 for monitoring and archiving. Which network server role must be configured on the destination host to collect these log messages?

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Cevap: Syslog server

Cevap

Syslog server
A Syslog server is designed to act as a centralized log repository, accepting event notification messages, system logs, and security alerts sent from routers, firewalls, and switches over UDP port 514.

Adım Adım Çözüm

1
Analyze the requirements described in the scenario
Identified the need to aggregate event messages, audit trails, and status alerts sent from infrastructure devices via UDP port 514.
Networking roles are defined by their functional capabilities and standard port assignments.
2
Compare network service roles against UDP port 514 and log aggregation functions
Syslog is the standard protocol for message logging and transport operating over UDP port 514.
Routers, switches, and firewalls use the Syslog protocol to forward event notification data to a central log collector.
3
Eliminate non-matching host service roles
DNS (port 53), DHCP (ports 67/68), and SNMP (ports 161/162) serve distinct network management or addressing roles and do not natively receive Syslog messages.
Proper protocol and port matching isolates the Syslog server role as the correct destination host service.

Anahtar Kavram

Syslog Server Role and Event Logging (UDP Port 514)
Tahmini Süre:1m 30s
Soru 2883Soru

An organization is deploying containerized mobile applications to employee-owned smartphones under a Bring Your Own Device (BYOD) framework. While personal applications function normally, employees report that their enterprise email application inside the managed container fails to synchronize inbox updates over the network. Network analysis reveals that the container security policy attempted to connect using default unencrypted IMAP, which is explicitly dropped by the corporate perimeter firewall. Which port number must the systems administrator configure within the Mobile Application Management (MAM) policy to enable secure IMAP synchronization for the containerized application?

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Cevap: 993

Cevap

Port 993 should be configured in the Mobile Application Management policy to allow secure IMAP (IMAPS) synchronization through the firewall.
Port 993 is the standard port for IMAP over SSL/TLS (IMAPS). Specifying port 993 in the containerized Mobile Application Management (MAM) profile ensures all inbox synchronization data transmitted by the corporate email application is encrypted and accepted by firewall security policies.

Adım Adım Çözüm

1
Identify the protocol requirement described in the scenario.
The corporate application requires secure Internet Message Access Protocol (IMAP) traffic over SSL/TLS.
Unencrypted IMAP traffic is blocked by corporate perimeter firewalls.
2
Match the secure IMAP protocol variant (IMAPS) to its standard TCP port.
IMAPS operates by default on port 993.
Secure protocol variants utilize dedicated encrypted ports to pass firewall inspection.
3
Differentiate IMAPS from related email ports.
Port 143 is unencrypted IMAP, port 995 is POP3S, and port 587 is SMTP submission.
Configuring incorrect protocol ports causes connection timeouts or protocol mismatches during app sync.

Anahtar Kavram

Mobile Application Security Settings and Secure Synchronization Ports
Soru 2884Soru

A user asks a technician for advice on how to maximize the overall health and long-term lifespan of a laptop equipped with a Lithium-ion (Li-ion) battery. Which of the following recommendations should the technician provide?

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Cevap: Enable charge threshold limits in battery management software to prevent holding the battery at 100% capacity continuously while plugged into AC power.

Cevap

Enable charge threshold limits in battery management software to prevent holding the battery at 100% capacity continuously while plugged into AC power.
Enabling charge threshold limits in battery management software reduces stress on Lithium-ion cells caused by maintaining a continuous 100% state of charge while connected to AC power, significantly extending overall battery health and operational lifespan.

Adım Adım Çözüm

1
Identify the battery technology
The device utilizes a Lithium-ion (Li-ion) battery.
Li-ion batteries have different chemical characteristics compared to older nickel-based batteries.
2
Evaluate factors that degrade Li-ion battery health
Sustained high voltage (100% state of charge) and extreme discharges (0%) accelerate capacity loss.
Chemical wear increases significantly at extreme charge levels and high temperatures.
3
Determine the optimal preventive configuration
Configuring software charge caps (such as stopping charge at 80%) protects long-term battery lifespan.
Charge threshold management is a standard field practice for modern laptop battery maintenance.

Anahtar Kavram

Lithium-ion Battery Management and Health Preservation
Soru 2885Soru

An IT technician is troubleshooting an enterprise laptop used by a graphic designer. When connected to its standalone 130W USB-C Power Delivery (PD) factory charger, the laptop operates at full CPU performance and charges normally. However, when connected to a workstation setup utilizing a single USB Type-C cable plugged into a high-end 65W USB-C PD display dock supporting 40 Gbps Thunderbolt throughput, the laptop experiences severe CPU frequency throttling and the battery level slowly drops over time during intensive rendering tasks. Which of the following technical root causes best explains why the laptop exhibits battery depletion and performance throttling while connected to the docking station?

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Cevap: The laptop requires a minimum 130W power profile, so the power controller negotiates a lower 65W PD contract and draws additional power from the internal battery to satisfy peak load demands.

Cevap

The host laptop's peak power requirements exceed the 65W negotiated via the USB-C PD dock, causing the Embedded Controller to throttle performance and draw supplemental power from the internal battery during high system loads.
When a high-performance laptop requiring up to 130W of power is connected to a 65W power source, USB Power Delivery negotiates a power contract limited to 65W. Under heavy computational or graphics workloads, system power demand exceeds 65W. To remain operational without shutting down abruptly, the laptop's power management system engages hybrid power management: it throttles system components to lower energy consumption and draws supplementary energy from the internal battery. This results in simultaneous CPU throttling and net battery drain.

Adım Adım Çözüm

1
Analyze power requirements and power source capacity
The factory power adapter supplies 130W under which system operates normally, whereas the dock supplies only 65W.
Establishing the power delta isolates whether external delivery meets system hardware demands under peak load.
2
Evaluate modern laptop power management behavior under power deficit
Modern laptops negotiate standard USB-C PD power profiles (e.g., 65W). When actual system power draw exceeds the input supply, the laptop throttles performance and draws supplemental current from the internal battery.
This behavior prevents sudden system brownouts when external power supply headroom is insufficient.
3
Differentiate protocol capability (Thunderbolt) from power delivery constraints (USB PD)
High Thunderbolt data bandwidth does not guarantee high wattage output, as USB PD wattage is limited by the dock's power supply specs.
Confusing data transfer capabilities with power contract limits is a common diagnostic error.

Anahtar Kavram

USB-C Power Delivery (PD) Wattage Negotiation & Hybrid Battery Power Supplementing
Tahmini Süre:2m 0s
Soru 2886Soru

An IT technician is expanding the storage capacity of an executive ultrabook. According to the motherboard specifications, the laptop's secondary internal expansion slot is an M.2 slot keyed for B&M modules that operates exclusively over the SATA bus protocol. The technician installs an M-keyed 1 TB M.2 solid-state drive that uses the PCIe/NVMe protocol into the slot. Upon booting, neither the UEFI/BIOS setup utility nor the operating system recognizes the drive. Which of the following best explains why the new drive is not detected?

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Cevap: The secondary slot only supports the SATA bus protocol, which is incompatible with the PCIe/NVMe protocol used by the new drive.

Cevap

The secondary M.2 slot only supports the SATA bus protocol, which is incompatible with the PCIe/NVMe protocol used by the new drive.
The correct answer correctly identifies that M.2 slots are hardwired to specific bus interfaces. Although an M.2 drive may fit or be adapted into a slot, a slot wired only for SATA signals lacks the PCIe lanes necessary for an NVMe controller to communicate with the motherboard.

Adım Adım Çözüm

1
Analyze the hardware specifications of the secondary expansion slot
The slot supports B&M keying and communicates strictly via the SATA bus protocol.
M.2 slots are keyed physically and wired logically for specific bus protocols (SATA, PCIe/NVMe, or both).
2
Evaluate the installed component specifications
The installed drive is an M-key drive using the PCIe/NVMe protocol.
NVMe drives require PCIe lanes provided by the motherboard controller to communicate.
3
Determine the root cause of the detection failure
Protocol mismatch prevents communication between the drive and the motherboard storage controller.
A slot wired strictly for SATA signals cannot communicate with an NVMe-only storage controller, causing the system to fail to detect the drive.

Anahtar Kavram

M.2 Interface Protocols and Form Factor Keying
Tahmini Süre:1m 30s
Soru 2887Soru

A technician is configuring power management settings and reviewing safety procedures for modern laptop Lithium-ion (Li-ion) batteries. Which TWO of the following statements correctly describe proper Lithium-ion battery management or physical safety protocols? (Select TWO.)

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Cevap: Configuring battery charge threshold limits (e.g., capping maximum charge at 80%) helps extend overall battery lifespan when plugged into AC power.; Swollen battery packs indicate internal gas buildup and must be removed and safely disposed of immediately.

Cevap

Configuring charge threshold limits reduces chemical degradation in Lithium-ion cells, and swollen battery packs represent a thermal hazard requiring immediate removal and safe disposal.
Configuring charge threshold limits minimizes high-voltage exposure on Lithium-ion cells, extending their operating life. Additionally, a swollen battery indicates cell breakdown gas production and requires immediate removal and proper hazardous waste handling.

Adım Adım Çözüm

1
Evaluate proper software management techniques for Lithium-ion batteries.
Limiting maximum charge state (such as an 80% threshold) prevents high voltage stress on Li-ion chemistries.
Li-ion cells degrade faster when kept continuously at 100% state of charge under elevated temperatures.
2
Identify physical failure modes and safety precautions for laptop batteries.
Recognize swelling as a dangerous condition requiring decommission.
Battery swelling is caused by gas accumulation during degradation and presents potential fire and structural risks.

Anahtar Kavram

Lithium-ion Battery Health Management and Safety Protocols
Soru 2888Soru

A technician is configuring a newly deployed corporate ultrabook that features two physical USB Type-C ports. When connecting the manufacturer's 65W AC adapter to Port 1, the laptop charges properly and powers external peripherals. However, when connecting the exact same 65W AC adapter and cable to Port 2, the system displays a 'Plugged in, not charging' status in the operating system and fails to receive auxiliary power, despite Port 2 successfully transferring data to external drives. Which of the following best explains this behavior?

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Cevap: Port 2 is a standard USB data port that lacks integrated USB Power Delivery (USB-PD) sink hardware capabilities.

Cevap

Port 2 is a standard USB data port that lacks integrated USB Power Delivery (USB-PD) sink hardware capabilities.
Although USB Type-C uses a uniform connector form factor, manufacturers frequently designate specific ports for Power Delivery (USB-PD) while restricting others to data transport. Without integrated USB-PD sink negotiation hardware on the secondary port, the power adapter cannot negotiate high-voltage power delivery to charge the battery.

Adım Adım Çözüm

1
Analyze physical port behavior and functionality differences
Port 1 charges the laptop and transfers data, whereas Port 2 transfers data but refuses power input.
Physical USB Type-C connector shapes are standardized across devices, but individual motherboard ports can be wired for different feature sets (such as USB 3.2 data only vs. USB Power Delivery).
2
Evaluate hardware protocol negotiation requirements
Charging via USB Type-C requires dedicated USB Power Delivery (USB-PD) controller hardware on the port.
If a port lacks USB-PD sink circuitry, the connected power adapter cannot negotiate voltage and current profiles required to charge the laptop.

Anahtar Kavram

USB Type-C Feature Asymmetry and USB Power Delivery (USB-PD) Hardware Support
Tahmini Süre:1m 30s
Soru 2889Soru

A clinical hospital network allows nursing staff to access electronic health records (EHR) through specialized mobile applications on personal smartphones under a Bring Your Own Device (BYOD) framework. The compliance team mandates that sensitive patient data within the app must be prevented from transferring to personal local storage, copying to personal messaging tools, or backing up to unapproved personal cloud services. Additionally, if an employee separates from the organization, IT must remotely purge corporate health data without affecting personal photographs, personal apps, or private settings. Which security and application management strategy should the administration implement?

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Cevap: Deploy Mobile Application Management (MAM) policies with containerization and execute selective wipes upon employee departure.

Cevap

Deploy Mobile Application Management (MAM) policies with containerization and execute selective wipes upon employee departure.
Mobile Application Management (MAM) using containerization creates a secure, encrypted sandbox environment for corporate apps and data on employee-owned (BYOD) devices. This isolates enterprise data from personal applications, prevents data leakage (such as copying data to personal clipboards or unapproved cloud storage), and permits administrators to perform a selective wipe—deleting corporate app data upon offboarding without touching personal photos, apps, or settings.

Adım Adım Çözüm

1
Identify the deployment scope and privacy requirements.
The devices are personal smartphones (BYOD), meaning IT management controls must be restricted strictly to corporate data without inspecting or altering personal data.
BYOD policies require a clear boundary between corporate enterprise data and personal user data.
2
Determine the application security and data leakage protection mechanism.
Mobile Application Management (MAM) with containerization creates an encrypted logical partition around enterprise software, blocking clipboard transfers, external cloud sync, and unapproved local saving.
Containerization enforces application-level security policies independently of the underlying personal mobile operating system.
3
Select the appropriate data removal action for offboarding.
A selective wipe targets and deletes only the encrypted container and associated corporate data, leaving personal files completely intact.
Selective wiping fulfills compliance requirements while respecting employee device privacy.

Anahtar Kavram

Mobile Application Management (MAM) vs Mobile Device Management (MDM) in BYOD environments
Soru 2890Soru

A field technician needs to safely replace an internal M.2 solid-state drive (SSD) in a corporate laptop. Place the technician's repair steps in the correct sequence from first to last.

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Cevap

The correct order for safely replacing a laptop M.2 SSD is: 1) Shut down the laptop and disconnect the AC power adapter; 2) Remove the bottom cover and disconnect the internal battery cable from the system board; 3) Unscrew the retaining fastener from the existing M.2 SSD and pull the drive out of the slot; 4) Slide the replacement M.2 SSD into the slot at an angle and tighten the retaining fastener.
Safely replacing laptop hardware requires isolating all power sources prior to handling internal circuitry. External AC power is disconnected first, followed by internal battery disconnection once the chassis is opened. After power isolation, the original M.2 SSD retaining screw is removed to release the drive, and finally the replacement M.2 SSD is inserted into the key slot and secured.

Adım Adım Çözüm

1
Disconnect external power supply.
Laptop is powered down and isolated from external AC power.
Prevents risk of electrical shock and cuts primary power before opening the case.
2
Isolate internal power supply.
System board is completely de-energized.
Disconnecting the battery prevents short-circuiting sensitive board traces during servicing.
3
Unfasten and remove original M.2 SSD.
The M.2 slot is cleared for the replacement drive.
Removing the securing screw releases tension on the drive key interface.
4
Install and secure new M.2 drive.
Replacement drive is properly seated and anchored.
Ensures reliable electrical contact and mechanical stability before reassembling.

Anahtar Kavram

Standard laptop component replacement and electrical safety sequence
Soru 2891Soru

A user reports that a corporate laptop charges normally up to exactly 60% capacity, at which point charging stops completely despite remaining plugged into the factory AC adapter. The laptop operates normally on AC power alone, but the user requires full battery capacity for traveling. Which of the following actions should the technician perform to address and diagnose this issue? (Select TWO.)

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Cevap: Inspect the vendor battery management utility or UEFI settings to see if a charge threshold or battery health preservation mode is enabled.; Run hardware diagnostics in the system UEFI or OS environment to check the health status, full charge capacity, and cycle count of the battery.

Cevap

The technician should inspect the vendor battery management utility or UEFI settings for enabled charge limits and run system hardware diagnostics to evaluate battery health and cycle count.
Checking the vendor battery management utility or UEFI settings directly addresses software charge caps, which frequently limit charge levels to 60% for battery preservation. Additionally, running built-in battery diagnostics provides empirical health and cycle metrics needed to confirm physical battery condition.

Adım Adım Çözüm

1
Check power management software and UEFI configuration
Identify if a custom charge limit (e.g., maximum 60% charge) is configured to preserve battery health.
Manufacturers include battery care features in software or UEFI that stop charging at set percentages to extend overall battery lifespan when used continuously on AC power.
2
Execute system battery hardware diagnostics
Obtain health report metrics including design capacity, current full charge capacity, and total charge cycles.
Diagnostics confirm whether the physical battery cells are healthy or if hardware replacement is necessary.

Anahtar Kavram

Laptop Battery Management Utilities and Charge Thresholds
Tahmini Süre:1m 30s
Soru 2892Soru

A field technician is troubleshooting an executive laptop that experiences battery drain and severe processor throttling while connected to an auxiliary 65W USB-C power adapter during heavy workloads. The laptop manufacturer specifies a minimum 90W input for maximum performance. Additionally, the user mentions routinely discharging the Lithium-ion battery down to 0% every Friday to 'keep the battery calibrated and healthy.' Which of the following statements correctly explain the underlying causes of these issues and identify proper remediation steps? (Select TWO.)

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Cevabı ve açıklamayı göster

Cevap: Operating the laptop with a 65W AC adapter under heavy load causes a power deficit, prompting the laptop to draw supplemental power from the internal battery and throttle performance.; Modern Lithium-ion batteries do not suffer from memory effect, and performing repeated deep zero-percent discharges accelerates chemical degradation and shortens overall battery lifespan.

Cevap

The two correct findings are that using a 65W AC adapter on a 90W system creates a power deficit causing battery drain and system throttling under load, and that routine zero-percent discharges degrade Lithium-ion battery health rapidly.
The system experiences power throttling and battery drain because the 65W AC adapter falls short of the system's 90W requirement under load, causing the laptop to pull supplemental power from the battery and throttle performance to maintain stability. Furthermore, modern Lithium-ion batteries do not have memory effect, so subjecting them to routine zero-percent discharges causes thermal and chemical degradation over time.

Adım Adım Çözüm

1
Analyze the wattage mismatch symptom.
The 65W AC adapter cannot meet the system's 90W peak demand.
When external power input is less than system demand, the system supplements power using the internal battery and throttles processor performance.
2
Evaluate the battery maintenance habit described by the user.
Weekly 0% discharges cause premature Lithium-ion degradation.
Lithium-ion chemistry does not suffer from memory effect; deep discharges increase voltage stress on the battery cells.
3
Formulate corrective recommendations.
Replace the 65W adapter with a 90W or higher vendor-approved adapter and instruct the user to discontinue 0% deep discharges.
Restoring required wattage stops power throttling, and partial charge cycles prolong Li-ion battery service life.

Anahtar Kavram

Laptop Power Systems and Battery Management
Soru 2893Soru

A network technician is deploying desktop computers and IP phones in a small office expansion. The devices must all reside on the same local IP subnet, and the IP phones must receive electrical power directly through the network cabling without using individual wall power adapters. Which TWO network hardware components or features should the technician select to fulfill these requirements?

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Cevap: Layer 2 Ethernet switch; Power over Ethernet (PoE) injector

Cevap

The technician should select a Layer 2 Ethernet switch for local subnet host connectivity and a Power over Ethernet (PoE) injector to supply power over network cabling to the IP phones.
The combination of a Layer 2 Ethernet switch and a Power over Ethernet (PoE) injector directly satisfies both requirements. The Layer 2 switch connects multiple wired endpoints on the same IP subnet, while the PoE injector delivers electrical power across standard Ethernet cabling to power the IP phones without individual power bricks.

Adım Adım Çözüm

1
Identify the local network connectivity requirement.
Connecting multiple wired devices on the same local IP subnet requires a Layer 2 Ethernet switch.
Layer 2 switches forward traffic based on MAC addresses within a single broadcast domain/subnet.
2
Identify the power delivery requirement for the IP phones.
Delivering power over Ethernet cabling to IP phones requires Power over Ethernet (PoE) capability, which can be provided via a PoE switch or a PoE injector.
PoE technology combines data transmission and DC electrical power over standard twisted-pair Ethernet cables.

Anahtar Kavram

Network Hardware Devices (Layer 2 Switching and PoE Power Delivery)
Soru 2894Soru

An IT technician is configuring mobile security controls for employees who use smartphones to access company resources. The security policy requires restricting application installation to official app stores and preventing corporate email data from mixing with personal apps. Which TWO of the following settings or management controls should the technician implement?

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Cevap: Enforce application containerization using Mobile Application Management (MAM) policies.; Disable permission to install applications from untrusted or unknown sources (sideloading).

Cevap

The correct controls to implement are enforcing application containerization through Mobile Application Management (MAM) policies and disabling the installation of applications from unknown sources (sideloading).
Mobile Application Management (MAM) containerization isolates enterprise data within a secure logical boundary on the device, ensuring corporate content remains separate from personal applications. Furthermore, restricting third-party application sideloading ensures that users can only download verified software from approved app stores, directly fulfilling the organization's security requirements.

Adım Adım Çözüm

1
Identify the data protection requirement.
Separating corporate email and application data from personal apps requires containerization via Mobile Application Management (MAM).
MAM creates an encrypted storage container for corporate applications and data without requiring complete control of personal content.
2
Identify the application installation restriction requirement.
Restricting application sources to official stores requires disabling sideloading settings on the device.
Preventing installations from unknown or untrusted sources mitigates malware risks associated with unverified third-party app stores.

Anahtar Kavram

Mobile Application Management (MAM) containerization and application sideloading restrictions.
Soru 2895Soru

A network technician is deploying equipment in a newly expanded facility. The incoming network backbone supplies connectivity over a fiber optic connection, but the local distribution switch only features standard RJ-45 copper Ethernet ports. Furthermore, a cluster of wired desktop computers located in an isolated office section must connect to the facility's wireless network without running network cables across the hallway. Which of the following network hardware devices should the technician deploy to fulfill these requirements? (Select TWO.)

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Cevap: A media converter; A wireless bridge

Cevap

The technician should install a media converter to adapt the fiber optic connection to copper Ethernet, and a wireless bridge to connect the wired workstations to the wireless network.
A media converter is required to convert optical signals from the incoming fiber line into electrical signals suitable for copper RJ-45 Ethernet infrastructure. A wireless bridge connects a local wired Ethernet switch or cluster of wired devices directly to a wireless network without requiring physical Ethernet cables across spaces.

Adım Adım Çözüm

1
Identify the physical layer interface mismatch
Recognize that converting fiber optic signals to copper RJ-45 Ethernet requires physical signal translation
A media converter is specifically designed to convert data signals between different cabling media types such as fiber optic and twisted-pair copper.
2
Identify the wireless connectivity requirement for wired clients
Determine how to connect a group of local wired devices to a Wi-Fi network without running long physical cables
A wireless bridge joins a local wired Ethernet segment to a wireless network, allowing non-Wi-Fi clients to communicate over the wireless link.

Anahtar Kavram

Selecting network hardware devices based on physical media conversion requirements and wireless bridging needs.
Soru 2896Soru

A network technician is setting up workstations at a new small office branch and needs a server service to automatically assign IP addresses, subnet masks, and default gateway configurations to client devices upon connection. Which server role should the technician install and configure?

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Cevap: DHCP server

Cevap

The technician should install and configure a DHCP server.
A DHCP (Dynamic Host Configuration Protocol) server is specifically designed to automatically distribute IP addresses, subnet masks, default gateways, and DNS server addresses to client devices as they connect to the network.

Adım Adım Çözüm

1
Identify the primary network requirement
The requirement is the automatic configuration of client IP addresses, subnet masks, and default gateways when devices join the network.
Workstations require these networking parameters to communicate locally and reach external networks.
2
Match the requirement to the appropriate network host service
DHCP (Dynamic Host Configuration Protocol) is the server role dedicated to automated dynamic IP address allocation.
DHCP eliminates the need for manual static IP assignment on each individual workstation.

Anahtar Kavram

DHCP Server Role and Automatic IP Address Leasing
Soru 2897Soru

A network technician is setting up network infrastructure services for a newly established branch office segment. The branch office requirements state that host workstations must automatically acquire dynamic IP addressing parameters upon connecting to the network, and host computers must also be able to resolve human-readable domain names to their corresponding IP addresses for web browsing. Which of the following network host services or server roles must be active to satisfy these operational requirements? (Select TWO.)

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Cevap: DHCP Server; DNS Server

Cevap

The network host services required to fulfill these needs are the DHCP Server and DNS Server.
The DHCP Server role automatically distributes IP addressing settings to client hosts on link startup, fulfilling the requirement for dynamic IP configuration. The DNS Server role performs name resolution, translating user-friendly domain names into destination IP addresses for web browsing.

Adım Adım Çözüm

1
Analyze the requirement for host workstations to automatically acquire dynamic IP addressing parameters.
Identify that dynamic allocation of IP configurations (IP address, subnet mask, default gateway) is the core function of a DHCP server operating on UDP ports 67 and 68.
Without a DHCP server, workstations would either require static IP configuration or self-assign an APIPA address (169.254.x.x169.254.x.x).
2
Analyze the requirement for host computers to resolve human-readable domain names into IP addresses.
Identify that hostname-to-IP resolution is performed by a DNS server operating on port 53.
DNS translates domain names into numerical IP addresses required for network routing and web connection establishment.

Anahtar Kavram

Core Network Host Services and Server Roles (DHCP and DNS)
Soru 2898Soru

Match each network host service to its primary administrative role or network function.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

DHCP Server
DNS Server
Syslog Server
Web Server (HTTP)

Eşleşmeler

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Cevap

DHCP Server pairs with dynamic IP assignment; DNS Server pairs with translating domain names to IP addresses; Syslog Server pairs with centralizing system event log aggregation; Web Server (HTTP) pairs with serving web pages over port 80.
DHCP automatically provisions client IP settings; DNS maps domain names to numeric IP addresses; Syslog collects log notifications centrally; and Web Servers host HTML web page content.

Adım Adım Çözüm

1
Determine the service responsible for IP addressing.
DHCP handles automatic configuration of IP address parameters.
Dynamic Host Configuration Protocol automates host addressing.
2
Determine the service responsible for name resolution.
DNS converts hostnames to network IP addresses.
Domain Name System bridges human-readable names with IP routing.
3
Determine the service responsible for centralized event logging.
Syslog collects log information across network devices.
Syslog is the standard for central system logging.
4
Determine the service responsible for hosting web pages.
Web Server delivers HTTP content.
Web servers serve HTML and web assets to browsers.

Anahtar Kavram

Basic functions of network host services and server roles
Soru 2899Soru

A field technician needs to safely replace an internal SODIMM memory module in a corporate laptop. Place the following hardware upgrade procedure steps in the correct order from first to last.

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Cevap

The correct order begins with disconnecting external power and shutting down the OS, followed by removing the chassis cover, disconnecting the internal battery, removing the old SODIMM at a 45-degree angle after releasing the clips, and finally inserting the new SODIMM at an angle and locking it down.
The proper sequence follows standard CompTIA hardware maintenance protocols: first isolate external AC power and shut down the device, remove the lower enclosure, disconnect the internal battery to eliminate residual voltage, release and tilt the existing SODIMM module out of its socket, and insert the new SODIMM at a 45-degree angle before locking it flat into the retaining latches.

Adım Adım Çözüm

1
Isolate system power source
System powered off completely with no external AC connection
Prevents data corruption and electrical hazards during physical disassembly.
2
Gain physical access to internal chassis
Bottom enclosure panel removed
Exposes motherboard components and RAM expansion slots.
3
Isolate internal power supply
Internal battery cable disconnected from system board header
Eliminates lingering standby voltage that could cause short circuits while handling components.
4
Remove existing SODIMM memory module
Retaining clips opened and module unseated at 45 degrees
Allows memory card extraction without placing strain on motherboard socket pins.
5
Install replacement SODIMM memory module
New module seated in slot at 45-degree tilt and pressed flat until locked
Ensures complete pin contact alignment and secure mechanical retention.

Anahtar Kavram

Laptop SODIMM Memory Replacement Procedure and Electrostatic/Electrical Safety
Soru 2900Soru

A network technician is configuring an isolated staging subnet for newly provisioned corporate workstations. The technician needs to ensure that client machines automatically receive network IP addresses, default gateways, and local domain name resolution services. However, client machines must be prevented from reaching any internet-facing servers or downloading public resources. Which of the following server roles and configuration parameters must be active and properly scoped on this isolated network segment to fulfill these requirements? (Select TWO.)

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Cevabı ve açıklamayı göster

Cevap: A DHCP server configured with an active scope to lease local IP addresses, subnet masks, and internal DNS server addresses; A DNS server hosting internal primary zones for local host name resolution without root hints or forwarders configured

Cevap

The correct selections are the DHCP server configured with an active IP leasing scope and the DNS server hosting internal zones without external forwarders.
To satisfy automatic configuration and restricted local name resolution, a DHCP server must be active to lease IP options to clients, and an internal DNS server must be present to resolve local resource hostnames while blocking external internet address resolution.

Adım Adım Çözüm

1
Identify the service required for automatic IP configuration.
Dynamic Host Configuration Protocol (DHCP) provides automatic assignment of IP addresses, subnet masks, default gateway parameters, and DNS server addresses to client hosts.
Client workstations on the isolated staging segment require dynamic IP configuration without manual static entry.
2
Identify the service required for internal name resolution while restricting external internet access.
Domain Name System (DNS) server role configured with local authoritative zones and no external recursion/forwarders.
Clients must resolve internal hostnames, but omitting root hints and external forwarders prevents resolution of internet domains.

Anahtar Kavram

Network Host Services and Server Roles (DHCP and DNS Configuration for Isolated Subnets)
ÖncekiSayfa 145 / 178Sonraki
Tüm alıştırma soruları — CompTIA A+ (Core 1 & Core 2) | Examkin