View Full CompTIA Server+ SK0-005 Exam Dumps and Practice Test Dumps

 

Question 221.

Which server feature allows administrators to inspect hardware status before the operating system loads?

1. Pre-boot diagnostics
2. File-system journaling
3. Application logging
4. User-profile auditing

Correct Answer: 1

Explanation:

Pre-boot diagnostics allow administrators to examine hardware conditions before the operating system begins normal startup. These diagnostics can test components such as memory, processors, storage devices, cooling systems, and other platform hardware. They are particularly useful when a server cannot successfully reach the operating system, because operating-system troubleshooting utilities may not be available. Depending on the manufacturer, diagnostic tools may be accessible through firmware menus or dedicated management interfaces. Administrators should record diagnostic results when investigating recurring failures because error codes and hardware test results can help identify defective components and support warranty or replacement procedures.

Question 222.

Which motherboard feature determines how many processor packages a server can physically support?

1. Memory-channel count
2. PCIe lane allocation
3. CPU socket count
4. DIMM population rule

Correct Answer: 3

Explanation:

CPU socket count indicates how many physical processor packages a server motherboard can accommodate. A single-socket system supports one physical processor, while multi-socket platforms can contain multiple processor packages. Multi-socket servers can provide additional processing capacity and memory resources, although the exact capabilities depend on the platform architecture. Socket count should not be confused with the number of processor cores or logical processors because one physical CPU can contain many cores and threads. Before adding or replacing a processor, administrators must verify motherboard compatibility, supported processor models, firmware requirements, thermal limits, and memory architecture.

Question 223.

Which component helps regulate voltage supplied to a server processor?

1. DIMM buffer
2. Voltage regulator module
3. Storage expander
4. Network transceiver

Correct Answer: 2

Explanation:

A Voltage Regulator Module, or VRM, regulates and supplies the appropriate voltage required by a processor or other motherboard component. Modern CPUs operate at voltage levels that differ from the incoming power supplied by the server’s power system, so precise voltage regulation is necessary. VRM problems can contribute to instability, unexpected shutdowns, or failure under heavy workloads. Server motherboards may contain multiple regulation circuits to support processors and other components. Administrators generally diagnose VRM problems through hardware monitoring, firmware diagnostics, event logs, or vendor-specific management tools rather than treating them as ordinary software configuration issues.

Question 224.

What is the purpose of a server backplane?

1. Providing wireless network access
2. Managing user authentication
3. Hosting application databases
4. Connecting removable devices to system controllers

Correct Answer: 4

Explanation:

A server backplane provides physical electrical connections between removable components and the system’s controllers or other infrastructure. Storage backplanes are common in enterprise servers because they allow drives to connect through a shared interface while supporting features such as hot-swapping. The exact capabilities depend on the server design and may include connections for power, data, status indicators, or management signals. A backplane is not itself a storage controller or operating-system service. When troubleshooting drive-detection problems, administrators should consider the drive, backplane, cabling, controller, firmware, and configuration because a failure anywhere along this path can prevent the operating system from seeing the storage device.

Question 225.

Which memory configuration can improve bandwidth by distributing accesses across multiple memory channels?

1. Dual-channel memory
2. Single-rank operation
3. Memory mirroring
4. Firmware caching

Correct Answer: 1

Explanation:

Dual-channel memory enables a compatible processor and motherboard to communicate with memory through two memory channels, potentially increasing available memory bandwidth compared with a single-channel arrangement. Server platforms may support additional channels, with the exact architecture depending on the processor generation and motherboard design. Correct DIMM placement is important because simply installing multiple modules does not guarantee that the intended channel configuration will be active. Administrators should follow the vendor’s memory population guidelines when upgrading RAM. Channel configuration affects performance characteristics, while memory capacity and ECC support address different aspects of server operation.

Question 226.

Which storage technology uses persistent flash memory without mechanical spinning platters?

1. Tape cartridge
2. Optical disc
3. Solid-state drive
4. Magnetic disk

Correct Answer: 3

Explanation:

A solid-state drive, or SSD, stores data using non-volatile flash memory rather than rotating magnetic platters. Because SSDs have no mechanical read/write heads or spinning platters, they can provide lower access latency and better resistance to physical vibration than traditional hard disk drives. SSDs are available in several interfaces and form factors, including SATA and NVMe implementations. Enterprise SSDs may include features such as power-loss protection, endurance ratings, and advanced error management. Administrators should consider workload write intensity, endurance, interface bandwidth, thermal conditions, and capacity requirements when selecting SSDs for server environments.

Question 227.

Which hardware device provides multiple PCIe expansion slots to a server motherboard?

1. Drive cage
2. Riser card
3. Cooling shroud
4. Battery module

Correct Answer: 2

Explanation:

A PCIe riser card or riser assembly allows expansion cards to be installed in server chassis where conventional motherboard slots may not provide the required physical orientation. Rack-mounted servers often use risers to support network adapters, storage controllers, accelerators, or other PCIe devices while preserving the compact chassis design. The number and type of available slots depend on the server model and riser configuration. Administrators should verify lane availability, slot generation, physical clearance, and supported card types before installing an expansion device. An incorrect riser configuration can prevent an expansion card from being detected or operating at its expected capability.

Question 228.

What does a server’s thermal sensor primarily measure?

1. Network packet rate
2. Storage capacity
3. Processor instruction count
4. Temperature conditions

Correct Answer: 4

Explanation:

Thermal sensors measure temperature at specific locations within a server. Sensors may monitor processors, memory areas, storage components, motherboard zones, power supplies, or ambient conditions depending on the platform. Monitoring these readings helps administrators detect overheating before it causes instability or hardware damage. Server firmware and management controllers can use sensor information to adjust fan speeds or trigger protective actions. Unexpected temperature increases may result from blocked airflow, failed fans, excessive workload, inadequate cooling infrastructure, or environmental conditions. Administrators should investigate persistent thermal alerts rather than treating them as harmless notifications.

Question 229.

Which server design places computing modules into a shared chassis?

1. Blade architecture
2. Tower architecture
3. Desktop architecture
4. Standalone appliance design

Correct Answer: 1

Explanation:

Blade architecture places compact computing modules, commonly called blades, into a shared chassis. The chassis can provide shared power, cooling, networking, and management infrastructure for multiple blade servers. This design can reduce the amount of cabling and physical space required compared with deploying many independent systems, although it introduces dependencies on the chassis infrastructure. Blade environments are particularly useful where organizations need dense computing capacity and centralized management. Administrators must consider chassis capacity, interconnect modules, cooling requirements, power distribution, and blade compatibility when planning or expanding a blade-based server environment.

Question 230.

Which server form factor is typically designed to stand independently rather than mount directly in a rack?

1. Blade module
2. Tower server
3. Rack sled
4. Modular chassis node

Correct Answer: 2

Explanation:

A tower server uses a vertical enclosure designed to operate as a standalone system rather than occupying standardized rack units. Tower servers are often suitable for smaller environments or locations where a dedicated rack infrastructure is unnecessary. They can provide similar server components to rack systems, including processors, memory, storage, expansion slots, and redundant power options depending on the model. Administrators should still consider physical security, cooling, noise, power availability, and future expansion when deploying tower servers. If the environment later requires centralized rack-based infrastructure, migration to rack-mounted hardware may involve different space and cabling considerations.

Question 231.

Which interface is commonly used to connect a server to a Fibre Channel storage fabric?

1. HBA
2. DIMM
3. VRM
4. TPM

Correct Answer: 1

Explanation:

A Host Bus Adapter, or HBA, provides the server with connectivity to specialized storage networks such as Fibre Channel fabrics. Fibre Channel HBAs handle communication between the server and storage infrastructure, allowing the operating system to access storage resources provided through the fabric. Administrators configure HBAs with appropriate drivers, firmware, fabric connectivity, and access controls. In Fibre Channel environments, HBA ports commonly participate in zoning configurations that control which storage endpoints the server can communicate with. Proper HBA installation and configuration are essential for reliable SAN connectivity and correct storage discovery.

Question 232.

What is the primary purpose of a network interface card in a server?

1. Providing local video output
2. Connecting the server to a network
3. Regulating processor voltage
4. Storing boot configuration data

Correct Answer: 2

Explanation:

A Network Interface Card, or NIC, provides network connectivity between a server and an Ethernet or other supported network infrastructure. NICs handle transmission and reception of network frames and may support capabilities such as VLAN tagging, hardware offloading, teaming, and virtualization features. Server NICs can vary in speed from basic connections to high-bandwidth enterprise interfaces. Administrators should install appropriate drivers and verify switch configuration when troubleshooting connectivity. Network performance problems may involve the NIC, cable, transceiver, switch port, VLAN configuration, routing, or higher-level protocols, so administrators should evaluate the entire communication path.

Question 233.

Which feature allows a server NIC to divide one physical adapter into multiple logical interfaces?

1. NIC partitioning
2. Storage virtualization
3. CPU affinity
4. Disk spanning

Correct Answer: 1

Explanation:

NIC partitioning allows a physical network adapter to expose multiple logical interfaces to the operating system or virtualization environment. Depending on the implementation, these logical interfaces may have independently assigned bandwidth, VLAN, or traffic characteristics. This can help organizations consolidate network functions while using fewer physical adapters. NIC partitioning should not be confused with simple software interface creation because supported hardware may provide additional resource controls at the adapter level. Administrators should verify operating-system, driver, firmware, and virtualization compatibility before enabling partitioning because support varies among server platforms and network adapters.

Question 234.

Which processor technology allows virtualization software to execute guest workloads with hardware assistance?

1. Memory compression
2. CPU virtualization extensions
3. Disk striping
4. Network address translation

Correct Answer: 2

Explanation:

CPU virtualization extensions provide hardware assistance that virtualization software can use to execute guest operating systems efficiently. Modern processor families include virtualization technologies that help the hypervisor manage privileged guest operations and transitions between guest and host execution contexts. These extensions are normally enabled through firmware settings, although the exact terminology varies by processor vendor. Hardware-assisted virtualization does not itself create virtual machines; a compatible hypervisor is still required. Administrators should verify that virtualization extensions are enabled and supported when deploying virtualization hosts, especially after replacing processors or resetting firmware configurations.

Question 235.

What is the main purpose of CPU affinity in a server environment?

1. Associating a workload with selected processor cores
2. Assigning IP addresses to applications
3. Connecting storage volumes to hosts
4. Synchronizing system clocks

Correct Answer: 1

Explanation:

CPU affinity allows administrators or operating systems to associate a workload with selected processor cores or logical processors. Restricting execution to particular CPUs can sometimes improve performance predictability, reduce interference between workloads, or support applications with specific processor-placement requirements. In virtualization environments, CPU affinity may also be used to control where virtual processors are scheduled. However, unnecessarily restricting a workload can reduce scheduling flexibility and potentially decrease performance. Administrators should therefore use CPU affinity when there is a clear technical reason and validate the effect through performance monitoring rather than applying it universally.

Question 236.

Which operating-system feature records changes to a filesystem so recovery can be improved after an unexpected shutdown?

1. File compression
2. Filesystem journaling
3. Disk deduplication
4. Directory hashing

Correct Answer: 2

Explanation:

Filesystem journaling records information about filesystem operations so that the system can more efficiently determine which changes were completed or were in progress after an unexpected shutdown. During recovery, the journal can help reduce the amount of filesystem consistency checking required and lower the risk associated with incomplete metadata operations. Different filesystems implement journaling differently, and journaling does not guarantee that application data is never lost during a sudden failure. Administrators should still use backups and application-level recovery mechanisms where appropriate. Journaling primarily improves filesystem consistency and recovery behavior after interrupted operations.

Question 237.

Which Linux mechanism can restrict a process’s access to specific hardware or system resources?

1. cgroups
2. aliases
3. shell history
4. environment variables

Correct Answer: 1

Explanation:

Control groups, commonly called cgroups, provide a Linux mechanism for organizing processes and controlling their access to system resources. They can be used to manage resources such as CPU time, memory, and other system capabilities depending on the configuration and kernel support. Container platforms frequently rely on cgroups as part of workload isolation and resource management. Administrators can use them to prevent one workload from consuming excessive resources and affecting other services. Cgroups are different from shell configuration features because they operate at the operating-system resource-management level rather than simply changing command-line behavior.

Question 238.

Which Windows tool can display and manage local services?

1. Disk Management
2. Services console
3. Registry Editor
4. Character Map

Correct Answer: 2

Explanation:

The Windows Services console provides an interface for viewing and managing installed services. Administrators can inspect service status, startup behavior, dependencies, and other available properties. Services may start automatically during boot, begin when triggered, or remain disabled depending on configuration. When troubleshooting a server application, checking the associated service can reveal whether the required background process is running. Administrators should avoid disabling services without understanding their dependencies because other applications or operating-system functions may rely on them. Service changes should also follow organizational change procedures when performed on production servers.

Question 239.

Which Linux command is commonly used to display currently mounted filesystems?

1. mount
2. passwd
3. chmod
4. uname

Correct Answer: 1

Explanation:

The mount command can display information about currently mounted filesystems and can also be used to mount supported filesystems when appropriate privileges and parameters are supplied. This makes it useful when troubleshooting storage visibility, mount-point configuration, or filesystem availability on Linux servers. Administrators should distinguish between a physical disk being detected and its filesystem being mounted for use. A device may appear in hardware or block-device listings while remaining unavailable through the expected directory path because it has not been mounted. Persistent mounts are commonly configured through the system’s filesystem configuration mechanisms.

Question 240.

Which administrative control requires elevated privileges for selected system operations?

1. Privilege escalation control
2. File compression policy
3. Network packet shaping
4. Storage allocation rule

Correct Answer: 1

Explanation:

Privilege escalation control limits administrative operations to users or processes that have been explicitly granted elevated rights. On Linux systems, mechanisms such as sudo can allow authorized users to execute specific commands with higher privileges without requiring unrestricted root access. Proper privilege management reduces the chance that ordinary accounts can make unauthorized system-level changes. Administrators should follow least-privilege principles, maintain appropriate authorization rules, and review privileged access periodically. Elevated privileges should be granted only where necessary because excessive administrative access increases the potential impact of accidental or malicious actions.