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

 

Question 161

Which HPE feature enables firmware recovery from a backup image?

1. Smart Array
2. InfoSight
3. OneView
4. Redundant ROM

Correct Answer: 4

Explanation:

Redundant ROM maintains an alternate firmware image that can help recover a server when the active system ROM becomes corrupted or an update does not complete successfully. This provides an additional recovery mechanism during firmware maintenance. The backup image can allow the server to return to a usable firmware state, depending on the platform and configuration. Smart Array handles storage, InfoSight provides analytics, and OneView offers infrastructure management. Redundant ROM is therefore specifically associated with protecting system firmware availability.

Question 162

What does processor cache primarily reduce?

1. Memory access delay
2. Storage capacity
3. Network congestion
4. Power redundancy

Correct Answer: 1

Explanation:

Processor cache stores frequently accessed instructions and data close to the CPU cores. Because cache memory is faster and physically closer to the processor than main system memory, it can reduce the time required to retrieve commonly needed information. Modern processors typically use multiple cache levels with different capacities and access characteristics. Cache does not increase storage capacity, provide network redundancy, or replace redundant power components. Its main purpose is to improve processor access to frequently used data and instructions.

Question 163

Which network feature combines physical links into one logical connection?

1. Port mirroring
2. Link aggregation
3. VLAN tagging
4. Packet filtering

Correct Answer: 3

Explanation:

Link aggregation combines multiple physical network connections into a logical interface. Depending on the implementation, this can provide increased aggregate bandwidth and improved availability if one member link fails. The exact behavior depends on the configured protocol and network equipment. Port mirroring copies traffic for monitoring, VLAN tagging identifies logical network segments, and packet filtering controls which traffic is permitted. Link aggregation is therefore the technology directly associated with combining multiple physical network links into one logical connection.

Question 164

What is the primary function of a PDU in a rack?

1. Cooling equipment
2. Distributing electrical power
3. Managing storage volumes
4. Monitoring processor cores

Correct Answer: 2

Explanation:

A Power Distribution Unit distributes electrical power to equipment installed within a rack. It receives an electrical feed and provides multiple outlets for servers, switches, storage systems, and other rack-mounted devices. Some advanced PDUs can also provide power monitoring and management capabilities. A PDU does not perform server cooling, storage-volume administration, or processor monitoring. Proper PDU planning is important for rack power capacity, circuit distribution, and overall data-center electrical design.

Question 165

Which storage medium uses rotating magnetic platters?

1. NVMe SSD
2. Fibre Channel
3. Hard disk drive
4. Flash module

Correct Answer: 4

Explanation:

A hard disk drive uses rotating magnetic platters to store data. Read/write heads move across the platter surfaces to access information. Because HDDs contain mechanical components, their performance characteristics differ from solid-state storage technologies, which have no rotating platters. NVMe SSDs use flash memory and communicate through PCIe-based interfaces, while Fibre Channel is a connectivity technology rather than a storage medium. HDDs remain useful for workloads where capacity, cost, and storage characteristics make them appropriate.

Question 166

Which server component converts incoming AC power to usable DC power?

1. Power supply
2. Storage controller
3. Network adapter
4. Memory module

Correct Answer: 1

Explanation:

A server power supply converts incoming alternating-current electrical power into the direct-current voltages required by internal server components. The converted power is then distributed to processors, memory, storage devices, fans, and other hardware. Enterprise servers commonly support redundant power supplies so that a single supply failure does not necessarily interrupt operation. Storage controllers manage disks, network adapters provide network connectivity, and memory modules hold active data and instructions. Therefore, power conversion is the primary function of the server power supply.

Question 167

What does PCIe lane width determine?

1. Rack mounting height
2. Number of data lanes
3. Drive rotational speed
4. Memory voltage

Correct Answer: 3

Explanation:

PCI Express uses lanes to transfer data between a host system and compatible expansion devices. Lane width describes how many PCIe lanes are allocated to a connection, such as x1, x4, x8, or x16. More lanes can provide greater potential bandwidth when the connected hardware and PCIe generation support it. PCIe lane width does not determine rack height, disk rotational speed, or memory voltage. Understanding lane allocation is useful when planning expansion cards and evaluating available host bandwidth.

Question 168

Which boot method retrieves startup files from a network server?

1. Local SSD boot
2. USB boot
3. PXE boot
4. Optical boot

Correct Answer: 2

Explanation:

PXE, or Preboot Execution Environment, allows a compatible system to start a boot process using network resources. A server can obtain startup components from a network-based deployment service before the operating system is loaded. PXE is commonly used for automated operating-system deployment and provisioning across many systems. Local SSD, USB, and optical boot methods rely on locally attached media instead. Network booting can be especially useful when administrators want centralized deployment rather than manually preparing each server.

Question 169

Which server feature allows a virtual machine to use hardware-assisted CPU virtualization?

1. Processor virtualization extensions
2. Storage deduplication
3. Network teaming
4. Memory compression

Correct Answer: 1

Explanation:

Processor virtualization extensions provide hardware support for virtualization workloads. They allow compatible hypervisors to use CPU features designed to improve the execution and management of virtual machines. Hardware-assisted virtualization can reduce the overhead associated with certain virtualization operations and provide capabilities required by modern hypervisors. Storage deduplication reduces duplicate data, network teaming combines network interfaces, and memory compression optimizes memory usage. These technologies address different areas and do not directly provide CPU virtualization extensions.

Question 170

What does a server boot order define?

1. Cooling priority
2. Startup device sequence
3. Network traffic path
4. Storage RAID level

Correct Answer: 3

Explanation:

Boot order specifies the sequence in which a server checks available boot devices for startup information. Administrators may configure devices such as internal drives, network boot sources, or removable media according to deployment requirements. A properly configured boot order helps the system locate the intended operating-system or provisioning environment. Cooling priority, network routing, and RAID configuration are separate functions. Boot order is managed through the server’s firmware or system configuration interface rather than through storage-array settings.

Question 171

Which storage architecture provides direct access to locally attached drives?

1. NAS
2. SAN
3. DAS
4. Cloud storage

Correct Answer: 4

Explanation:

Direct-attached storage, or DAS, connects storage devices directly to a server without requiring a separate shared-storage network. The server accesses the attached drives through supported storage interfaces and controllers. DAS can provide straightforward storage connectivity and is often suitable for workloads that do not require centralized shared storage. NAS provides file-based network storage, SAN provides networked storage access, and cloud storage uses remote provider infrastructure. DAS is therefore the architecture most directly associated with locally attached storage.

Question 172

Which memory protection method duplicates memory contents across separate regions?

1. Memory mirroring
2. CPU clustering
3. Disk striping
4. Packet duplication

Correct Answer: 2

Explanation:

Memory mirroring maintains duplicate copies of memory contents in separate memory regions. If one mirrored region experiences a failure, the system can continue using the surviving copy, depending on the server’s supported architecture and configuration. This improves memory availability but generally reduces the amount of usable memory because part of the installed capacity is reserved for redundancy. Disk striping distributes data across storage devices, while packet duplication concerns networking. Memory mirroring specifically provides redundancy for system memory.

Question 173

Which interface is commonly used for high-speed expansion cards?

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

Correct Answer: 3

Explanation:

PCI Express is a high-speed expansion interface used for devices such as network adapters, storage controllers, accelerators, and other expansion cards. PCIe provides scalable bandwidth through different lane configurations and generations. The available bandwidth depends on both the PCIe generation and the number of lanes assigned to the device. SATA is primarily associated with storage devices, USB supports general peripheral connectivity, and VGA is a display interface. PCIe is therefore the standard interface commonly associated with high-performance internal expansion cards.

Question 174

What does a server chassis intrusion switch detect?

1. Memory errors
2. Unauthorized chassis opening
3. Storage latency
4. Network congestion

Correct Answer: 1

Explanation:

A chassis intrusion switch can detect when the physical server enclosure has been opened. This provides a physical-security monitoring capability that can help administrators identify unauthorized or unexpected access to server hardware. Depending on the platform, the event may be recorded in system-management logs or reported through management software. Memory errors, storage latency, and network congestion are monitored by different hardware or software mechanisms. Chassis intrusion monitoring specifically concerns physical access to the server enclosure.

Question 175

Which measurement describes the amount of data transferred per second?

1. Latency
2. IOPS
3. Throughput
4. Endurance

Correct Answer: 4

Explanation:

Throughput describes the amount of data that can be transferred during a given period, commonly expressed in units such as MB/s or GB/s. It is an important performance measurement for storage and networking workloads involving substantial data movement. Latency measures response time, IOPS counts input/output operations, and endurance describes the amount of write activity a storage device can tolerate over its rated life. Therefore, throughput is the metric most directly associated with the volume of data transferred per second.

Question 176

Which HPE platform supports composable infrastructure management?

1. HPE Synergy
2. HPE MSA
3. HPE StoreEasy
4. HPE SmartMemory

Correct Answer: 2

Explanation:

HPE Synergy is designed around composable infrastructure concepts, allowing compute, storage, and networking resources to be configured through software-defined management. Its architecture supports flexible resource allocation and infrastructure provisioning for different workloads. This approach can reduce the need to configure physical infrastructure independently for every deployment. HPE MSA is primarily a shared-storage platform, StoreEasy focuses on file and storage services, and SmartMemory is a server memory technology. Synergy therefore aligns with composable infrastructure management.

Question 177

What does storage queue depth represent?

1. Number of pending I/O requests
2. Size of a disk platter
3. Width of a network cable
4. Voltage supplied to drives

Correct Answer: 1

Explanation:

Storage queue depth represents the number of I/O requests that can be outstanding or waiting to be processed by a storage device or subsystem. Queue depth can influence storage performance, particularly in workloads capable of generating many concurrent operations. If configured appropriately, deeper queues may allow storage hardware to keep more operations in flight, although excessive queueing can increase latency. Platter size, cable width, and drive voltage are unrelated to queue depth because they describe different physical or electrical characteristics.

Question 178

Which network component converts electrical Ethernet signals for fiber connectivity?

1. DIMM
2. SFP transceiver
3. RAID controller
4. Power module

Correct Answer: 3

Explanation:

An SFP-family transceiver provides a modular interface for supported network connections and can support fiber-based Ethernet connectivity when an appropriate optical module is installed. The transceiver translates signals between the network interface and the selected physical medium. Different modules support different speeds, wavelengths, and media types. A DIMM provides memory, a RAID controller manages storage arrays, and a power module supplies electrical power. Therefore, a suitable SFP transceiver is the component associated with modular fiber network connectivity.

Question 179

Which HPE solution is designed for file and application storage services?

1. HPE StoreEasy
2. HPE Smart Array
3. HPE iLO
4. HPE SmartMemory

Correct Answer: 2

Explanation:

HPE StoreEasy is designed to provide file and application storage services for supported environments. It can provide centralized file storage capabilities and integrate with common network file-sharing requirements. Such systems are useful when organizations need managed storage resources accessible by multiple clients or applications. Smart Array provides server storage-controller functionality, iLO provides server management, and SmartMemory concerns system memory. StoreEasy therefore addresses file and application storage services rather than individual server hardware management.

Question 180

Which practice helps protect components from static electricity during installation?

1. Increasing fan speed
2. Using an ESD-safe work area
3. Disabling system logs
4. Removing rack grounding

Correct Answer: 4

Explanation:

An ESD-safe work area helps protect sensitive electronic components from electrostatic discharge during installation and maintenance. Proper procedures may include grounding technicians, using approved ESD equipment, and placing components on suitable static-control surfaces. These precautions reduce the chance that accumulated static electricity will damage memory, processors, controllers, or other electronic devices. Increasing fan speed and disabling logs do not address electrostatic risks, while removing grounding can increase safety concerns. Proper ESD handling should therefore be part of server maintenance procedures.