View Full HP HPE0-V25 Exam Dumps and Practice Test Dumps

 

Question 241

Which server feature helps limit unauthorized physical access?

1. Firmware rollback
2. Front bezel lock
3. Memory interleaving
4. Network teaming

Correct Answer: 2

Explanation:

A front bezel lock helps restrict physical access to server components such as drive bays, power controls, and internal access points. This provides a basic physical security layer for servers installed in environments where unauthorized personnel may have access to the rack. Firmware controls, memory configuration, and network teaming address different operational areas and do not directly prevent physical access. Physical security measures are especially useful in shared data centers because administrative software controls cannot stop someone from physically interacting with exposed hardware.

Question 242

What does SSD overprovisioning primarily improve?

1. Network bandwidth
2. CPU scheduling
3. Drive endurance
4. Memory capacity

Correct Answer: 3

Explanation:

SSD overprovisioning reserves a portion of flash capacity for internal drive management. The controller can use this reserved space for wear leveling, garbage collection, and replacement of worn flash blocks. By providing additional spare capacity, overprovisioning can help maintain performance and improve endurance over the drive’s operational lifetime. It does not increase system memory, CPU resources, or network throughput. Properly configured SSD overprovisioning is therefore particularly useful in workloads involving frequent writes.

Question 243

Which RAID configuration uses distributed parity with two parity blocks?

1. RAID 6
2. RAID 10
3. RAID 1
4. RAID 0

Correct Answer: 1

Explanation:

RAID 6 uses distributed dual parity, allowing the array to tolerate the failure of two drives without losing data. The parity information is distributed across the participating drives rather than being stored on a single dedicated parity disk. RAID 10 combines mirroring and striping, RAID 1 mirrors data, and RAID 0 provides striping without redundancy. RAID 6 is therefore useful when higher fault tolerance is required and the environment can accept additional parity overhead.

Question 244

What is the main purpose of a RAID stripe size?

1. Define fan speed
2. Reserve memory pages
3. Control boot order
4. Determine data chunking

Correct Answer: 4

Explanation:

RAID stripe size determines how data is divided into chunks across the drives participating in a striped array. The selected size can influence sequential throughput, random I/O behavior, and workload efficiency. Different applications may benefit from different stripe configurations depending on their I/O patterns. Stripe size does not control cooling, memory allocation, or system startup sequencing. Storage administrators therefore consider workload characteristics when selecting an appropriate stripe size for a RAID implementation.

Question 245

Which HPE storage capability provides a designated spare drive for array recovery?

1. Global spare
2. Memory spare
3. Cache reserve
4. Firmware backup

Correct Answer: 1

Explanation:

A global spare is a drive reserved for use by eligible storage arrays when a failed drive requires replacement. Instead of waiting for an administrator to install another physical disk, the controller can use the available spare according to its configuration and compatibility requirements. This can reduce the time the array remains in a degraded state. Memory sparing, cache reserves, and firmware backups serve entirely different purposes and do not provide a replacement disk for storage recovery.

Question 246

What does SSD wear leveling primarily accomplish?

1. Balance flash-cell usage
2. Increase processor cores
3. Expand network ports
4. Reduce rack height

Correct Answer: 1

Explanation:

Wear leveling distributes write operations across available flash memory cells so that individual cells are not repeatedly written while others remain lightly used. Flash memory has a finite number of program and erase cycles, making balanced usage important for maintaining drive longevity. The SSD controller manages this process automatically. Wear leveling does not add CPU cores, provide network connectivity, or change the physical dimensions of the server. It is a key internal mechanism for managing NAND flash endurance.

Question 247

Which RAID level combines striping with distributed single parity?

1. RAID 10
2. RAID 6
3. RAID 5
4. RAID 1

Correct Answer: 3

Explanation:

RAID 5 combines data striping with distributed parity. The parity information is spread across the drives, avoiding the need for one dedicated parity disk. RAID 5 can continue operating after a single drive failure, although performance and protection characteristics change during recovery. RAID 10 uses mirroring and striping, RAID 6 uses two distributed parity calculations, and RAID 1 uses mirroring. RAID 5 is therefore identified by its combination of striping and distributed single parity.

Question 248

What does a storage controller’s cache primarily help accelerate?

1. Rack installation
2. I/O operations
3. Firmware signing
4. Fan monitoring

Correct Answer: 2

Explanation:

A storage controller cache temporarily holds frequently accessed or recently written data to improve storage I/O performance. Depending on the controller and configuration, cached operations can reduce the time required to complete certain read or write requests. Cache behavior is influenced by workload patterns, controller capabilities, and protection mechanisms. Rack installation, firmware signing, and fan monitoring are unrelated functions. Properly protected write cache can provide performance benefits while reducing the risk associated with temporarily buffered data.

Question 249

Which feature helps prevent data exposure when retiring a storage drive?

1. Secure erase
2. Link aggregation
3. CPU pinning
4. Memory interleaving

Correct Answer: 1

Explanation:

Secure erase is designed to remove or render stored information inaccessible before a storage device is reused, repurposed, or retired. This is particularly important when drives may leave an organization’s controlled environment. Depending on the device and implementation, secure erase may use drive-supported sanitization commands or other approved mechanisms. Network aggregation, CPU scheduling, and memory configuration do not remove information from storage media. Administrators should follow organizational data-destruction requirements when sanitizing drives.

Question 250

What does a dedicated online spare primarily provide?

1. Extra network bandwidth
2. Automatic drive replacement
3. Additional CPU threads
4. Larger memory pages

Correct Answer: 2

Explanation:

A dedicated online spare is assigned to a particular storage array and can be used when a qualifying drive failure occurs. The controller can begin recovery using the spare, helping restore redundancy without waiting for manual disk replacement. This differs from a global spare, which may be available to multiple eligible arrays depending on configuration. Network bandwidth, processor threads, and memory-page sizing are unrelated to online spare functionality. Spare-drive strategies are commonly used to improve storage resilience and recovery behavior.

Question 251

Which network feature allows a physical NIC to present virtual functions?

1. LACP
2. SR-IOV
3. Jumbo frames
4. Flow control

Correct Answer: 2

Explanation:

SR-IOV, or Single Root I/O Virtualization, allows a compatible physical PCIe device such as a network adapter to expose multiple virtual functions. These virtual functions can be assigned to virtual machines, allowing more direct access to hardware resources and potentially reducing virtualization I/O overhead. LACP combines network links, jumbo frames increase maximum frame size, and flow control manages transmission behavior under congestion. SR-IOV is therefore the feature specifically associated with virtualizing device functions at the hardware level.

Question 252

What is a common benefit of TCP checksum offload?

1. Reduces CPU processing
2. Adds storage capacity
3. Improves fan redundancy
4. Expands DIMM slots

Correct Answer: 1

Explanation:

TCP checksum offload allows a compatible network adapter to calculate or verify certain TCP/IP checksums instead of requiring the host processor to perform all of that work. This can reduce CPU overhead during network communication, particularly under sustained traffic loads. The exact capabilities depend on the network adapter and operating system configuration. Checksum offload does not increase storage capacity, cooling redundancy, or the number of available memory slots. It is one example of a hardware-assisted network processing feature.

Question 253

Which Ethernet capability allows larger-than-standard frames?

1. Port mirroring
2. Jumbo frames
3. MAC filtering
4. Link failover

Correct Answer: 2

Explanation:

Jumbo frames allow Ethernet networks to transmit frames larger than the traditional standard maximum frame size. Using larger frames can reduce packet-processing overhead and may improve efficiency for suitable workloads. However, the network path must consistently support the configured frame size, because mismatched MTU settings can cause communication problems. Port mirroring copies traffic, MAC filtering controls access, and link failover provides redundancy. Jumbo frames therefore specifically relate to increasing Ethernet frame size.

Question 254

What does Ethernet flow control help manage?

1. Memory timing
2. Network congestion
3. Disk partitioning
4. CPU temperature

Correct Answer: 2

Explanation:

Ethernet flow control helps regulate traffic when a receiving device cannot process incoming frames quickly enough. A commonly used mechanism is IEEE 802.3x pause frames, which can temporarily request that a sender reduce or pause transmission. This can help prevent buffer overflow under certain conditions. Flow control does not manage processor temperature, memory timing, or disk partitioning. Its effectiveness depends on network design and whether the relevant devices and interfaces are configured to support the mechanism.

Question 255

Which server feature identifies a specific chassis for inventory purposes?

1. RAID metadata
2. Boot variable
3. Asset tag
4. Cache policy

Correct Answer: 3

Explanation:

An asset tag provides an administrative identifier that can be associated with a physical server or other equipment. Organizations commonly use asset information to support inventory management, ownership tracking, maintenance records, and data-center audits. RAID metadata describes storage-array configuration, boot variables influence startup behavior, and cache policies govern storage operations. Asset identification is especially useful in environments containing many similar servers because administrators can associate physical equipment with records in inventory or management systems.

Question 256

Which server information uniquely identifies its hardware model?

1. Product ID
2. VLAN number
3. RAID stripe
4. CPU affinity

Correct Answer: 1

Explanation:

The product ID identifies the specific hardware model or product family of an HPE server. Administrators can use this information when checking compatible components, firmware, documentation, and support requirements. A VLAN number relates to network segmentation, a RAID stripe describes storage data distribution, and CPU affinity controls processor assignment. Correct product identification is important before installing replacement components because hardware compatibility can depend on the exact server model and generation.

Question 257

Which storage technique reserves extra flash capacity for controller operations?

1. SSD overprovisioning
2. RAID mirroring
3. Disk defragmentation
4. Partition alignment

Correct Answer: 1

Explanation:

SSD overprovisioning reserves part of a solid-state drive’s physical flash capacity for internal controller operations. This additional space can support garbage collection, wear leveling, and block replacement. By maintaining more readily available flash resources, the drive can manage sustained workloads more effectively and potentially maintain performance and endurance. RAID mirroring provides redundancy, defragmentation is associated primarily with traditional disk organization, and partition alignment concerns logical data placement. Overprovisioning is therefore specifically associated with flash-storage management.

Question 258

What is a primary purpose of BIOS recovery capability?

1. Restore damaged firmware
2. Increase RAM capacity
3. Expand RAID width
4. Improve network speed

Correct Answer: 1

Explanation:

BIOS recovery capability is intended to help restore system firmware when the primary firmware image becomes corrupted or unusable. Recovery mechanisms can allow a server to return to a bootable firmware state without replacing the entire system board. The exact recovery process varies by platform and firmware architecture. BIOS recovery does not add memory, expand storage arrays, or increase network bandwidth. Maintaining reliable firmware recovery mechanisms is important because firmware problems can prevent normal hardware initialization and operating-system startup.

Question 259

Which interface is commonly used for local server display output?

1. USB
2. VGA
3. SATA
4. SAS

Correct Answer: 2

Explanation:

VGA is a traditional video interface used to provide local display output from a server to a compatible monitor. Although modern systems increasingly use digital display technologies, VGA remains present on many enterprise server platforms and can be useful during local setup or troubleshooting. USB primarily connects peripherals, while SATA and SAS are storage interfaces. Local video output can be useful when remote management is unavailable or when an administrator needs direct access during hardware installation and diagnostic procedures.

Question 260

Which environmental measurement is especially important for server-room planning?

1. Rack color
2. Keyboard layout
3. Relative humidity
4. Monitor resolution

Correct Answer: 3

Explanation:

Relative humidity is an important environmental consideration in data-center and server-room planning. Excessively high humidity can contribute to condensation risks, while very low humidity can increase the likelihood of electrostatic discharge. Maintaining environmental conditions within the server manufacturer’s recommended range helps protect equipment reliability. Rack appearance, keyboard layout, and monitor resolution do not directly define the environmental operating conditions of server hardware. Monitoring temperature and humidity together provides a more complete view of the physical environment surrounding installed equipment.