SK0-005 Practice Test 23 — 15 Questions

Question 1

A junior administrator is tasked with creating a new virtual machine on a Windows Server 2019 Hyper-V host. The VM will run a lightly used internal application and requires 4 GB of RAM, 2 virtual processors, and a 60 GB virtual hard disk. The administrator creates the VM using the default dynamic memory settings and a dynamically expanding VHDX. After a week, users report that the application occasionally becomes very slow. Performance monitoring shows that the VM's memory utilization frequently hits the configured maximum, and disk latency spikes during these times. Which of the following is the MOST likely cause of the performance issue?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

The VM is experiencing memory pressure due to dynamic memory configuration, causing excessive paging.. Dynamic memory in Hyper-V adjusts the VM's memory within a configured minimum and maximum. If the maximum is set too low, the VM can run out of memory, causing the guest OS to page heavily to disk. This results in high disk latency and application slowdowns. The memory utilization hitting the maximum confirms memory pressure as the root cause. Adjusting the dynamic memory maximum or using static memory would resolve the issue.

Answer

The host's CPU is oversubscribed, causing the VM's virtual processors to wait.

Answer

The virtual switch is misconfigured, causing network latency.

Answer

The dynamically expanding VHDX is causing disk fragmentation and slow I/O.

Question 2

A company performs a full backup every Sunday and incremental backups Monday through Saturday. On Wednesday, a database file becomes corrupted. The administrator needs to restore the most recent version of the file prior to corruption. Which backup sets must be restored?

Accepted Answer

The most recent full backup and all incremental backups since that full backup.. With an incremental backup scheme, each incremental contains only the changes since the previous backup. To restore the most recent version of a file, the administrator must restore the last full backup and then apply every incremental backup in sequence. This reconstructs the file to its state just before corruption. Restoring only a subset would result in missing data and potential inconsistency.

Answer

The most recent full backup and the most recent incremental backup only.

Answer

The most recent differential backup.

Answer

The most recent full backup only.

Question 3

A server administrator is troubleshooting a RAID 5 array that has suddenly become degraded. The array consists of four SAS drives. The administrator runs the RAID controller management utility and sees that one drive has failed. After replacing the failed drive, the rebuild process starts but stalls at 20%. The administrator checks the event log and sees numerous medium errors on another drive. What should the administrator do next?

Accepted Answer

Back up critical data immediately before taking further action.. A degraded RAID 5 array with a second drive showing medium errors is in a precarious state. The rebuild is stalled, and another drive failure could cause data loss. The immediate priority is to back up critical data. Only after a backup should the administrator attempt to replace the problematic drive or take other corrective actions, ensuring data can be restored if the array fails completely.

Answer

Restart the server to reset the RAID controller and resume the rebuild.

Answer

Force the rebuild to complete by setting the drive with medium errors offline.

Answer

Replace the drive with medium errors and allow the rebuild to continue.

Question 4

A technician installs a new 2U server whose chassis is 24 inches deep into a rack with 30-inch posts. After mounting, the technician notices the server's rear fans are recirculating hot exhaust because the rack's rear door is perforated but the server's rear panel sits flush against it. Cable bundles also press against the door. Which of the following is the BEST action to correct the airflow problem?

Accepted Answer

Reinstall the server with a rail kit that positions the chassis so a gap remains between the rear panel and the door, and reroute cables to preserve that gap.. A server needs unobstructed space behind the rear panel so exhaust can leave the chassis and enter the hot aisle. When the chassis sits flush against a perforated door and cables fill the remaining space, exhaust recirculates into the intakes. Using rails that leave a proper gap and rerouting cables restores the front-to-back airflow path while keeping the cabinet closed.

Answer

Increase the speed of the server's rear fans through the management controller to overcome the back pressure.

Answer

Replace the perforated rear door with a solid door to contain the exhaust.

Answer

Reverse the server's airflow direction so the fans draw air from the rear and exhaust to the front.

Question 5

A company has a server running Windows Server 2022 with two 10-Gbps network adapters. The server hosts a high-traffic web application that requires maximum throughput and fault tolerance. The network switches support 802.3ad link aggregation. The administrator configures NIC teaming using LACP with Address Hash. After deployment, users report intermittent connectivity issues. Which of the following is the MOST likely cause?

Accepted Answer

The switch ports are not configured for LACP.. The most likely cause is that the switch ports are not configured for LACP. LACP requires configuration on both the server and the switch to form a link aggregation group. Without proper switch configuration, the team will not function correctly, causing intermittent connectivity.

Answer

The load balancing mode should be Dynamic instead of Address Hash.

Answer

The server's network adapters are not identical models.

Answer

The NIC teaming mode should be Switch Independent instead of LACP.

Question 6

A server administrator is troubleshooting a Windows Server 2019 that periodically loses network connectivity. The server has two teamed network adapters in switch-independent mode. Users report intermittent access to file shares. The administrator runs `Get-NetLbfoTeam` and sees the team status is 'Degraded'. Which of the following is the MOST likely cause?

Accepted Answer

One of the physical adapters in the team has failed or is disconnected.. The 'Degraded' status of a Windows NIC team indicates that at least one member adapter is not operational. This commonly results from a failed adapter, unplugged cable, or switch port issue. The team continues to function with remaining adapters but loses redundancy and may experience intermittent connectivity. Checking physical connections, adapter status in Device Manager, and switch port statistics will confirm the cause. Other options do not directly explain the degraded state.

Answer

The switch ports for both adapters are configured with different VLANs.

Answer

The NIC teaming mode is set to switch-dependent, causing a configuration conflict.

Answer

The server's TCP/IP stack is corrupted, requiring a reset.

Question 7

A company is designing a disaster recovery plan for a critical web application. The plan must ensure that the application can be recovered within a 4-hour recovery time objective (RTO) and that no more than 1 hour of data is lost. The application runs on virtual machines backed by a storage area network (SAN). Which two actions best support these objectives? (Choose two.)

Accepted Answer

Configure the virtual machines to replicate to a secondary host every 15 minutes using hypervisor-based replication.. Meeting a 1-hour RPO and 4-hour RTO requires a recent, ready-to-use copy of the data at a secondary location. SAN-based replication with a 1-hour RPO and hypervisor-based replication every 15 minutes both provide that. Nightly tape backups, primary-site snapshots, and local installation media either exceed the RPO or do not survive a site failure.

Answer

Perform nightly full backups to tape and store the tapes offsite.

Answer

Enable daily snapshots on the primary SAN and retain them for 30 days.

Answer

Store a copy of the application installation media in a locked cabinet at the primary site.

Question 8

A company’s file server runs Windows Server 2022 and hosts a 4 TB volume. Users report that saving large files to a shared folder occasionally fails with an error about insufficient disk space, even though the volume shows 800 GB of free space. Performance Monitor shows high Avg. Disk sec/Transfer and frequent paging. Which action should the administrator take first to resolve the file‑save failures?

Accepted Answer

Increase the amount of RAM in the server.. The server’s symptoms—high disk transfer times, frequent paging, and file‑save failures despite free space—point to insufficient RAM. When memory is low, Windows pages heavily to disk, causing I/O bottlenecks and timeouts. Adding RAM reduces paging, improves disk responsiveness, and resolves the file‑save errors. Other options do not address the memory constraint and could introduce unnecessary changes.

Answer

Enable Data Deduplication on the volume to reclaim space.

Answer

Convert the volume to ReFS to improve file handling.

Answer

Move the shared folder to a different volume with more free space.

Question 9

A datacenter manager is reviewing physical security controls for a server room. Which two controls are considered preventive measures against unauthorized physical access? (Choose two.)

Accepted Answer

Biometric lock. Preventive controls actively stop unauthorized access before it occurs. A biometric lock and an access control vestibule both require authentication and physically block entry, making them preventive. Security cameras and log monitoring are detective controls that record or detect events, and a visitor sign-in sheet is an administrative control that documents but does not prevent access.

Answer

Security camera

Answer

Log monitoring

Answer

Visitor sign-in sheet

Question 10

A technician is installing a new server into a rack and needs to ensure the chassis does not tip forward when a heavy component is pulled out on its rails. Which of the following should the technician install FIRST?

Accepted Answer

A stabilizer or anti-tip foot on the bottom front of the rack before extending any equipment.. Anti-tip feet or stabilizers widen the rack's base and prevent it from pitching forward when a server on sliding rails is fully extended. They should be deployed before equipment is pulled out, making them the correct first step to protect the technician and the installed hardware from an overturn.

Answer

A vertical PDU mounted in the rear of the rack to add weight to the back of the cabinet.

Answer

Cage nuts and screws at the front of the server to secure the chassis to the front uprights.

Answer

A cable management arm attached to the rear of the rails to limit forward travel.

Question 11

A server administrator receives alerts that a file server's system volume is nearly full. The administrator runs a disk usage report and finds that a single log directory contains millions of small files consuming most of the free space. Users need the server to remain online while the issue is resolved. Which of the following should the administrator do to reclaim space with the LEAST disruption?

Accepted Answer

Archive or rotate the log files to another volume and delete or compress the older logs. The disk usage report identifies millions of accumulated log files as the cause of the near-full volume, so the direct, low-impact remedy is to archive or rotate those logs to another volume and remove or compress the old ones. This reclaims space immediately without taking the server offline or disrupting users, unlike scanning, defragmenting, or expanding the volume, which do not address the root cause.

Answer

Extend the system volume by adding a disk to the existing array and expanding the partition online

Answer

Perform an online defragmentation of the system volume to consolidate the small files

Answer

Run a full antivirus scan on the volume to remove infected files and quarantine them

Question 12

A server administrator is troubleshooting a server that fails to boot after a firmware update. The server powers on, completes POST, but then displays a message indicating no bootable device found. The administrator confirms the RAID controller is detected and the drives are online. What is the most likely cause?

Accepted Answer

The boot order in the UEFI/BIOS was reset during the firmware update.. The correct answer is that the boot order in the UEFI/BIOS was reset during the firmware update. Firmware updates often reset BIOS settings to defaults, which can remove the RAID volume from the boot order. Since the RAID controller and drives are online, the data is safe. Reconfiguring the boot order restores bootability.

Answer

The operating system boot files are corrupted.

Answer

The RAID array is degraded and needs to be rebuilt.

Answer

The firmware update failed and corrupted the RAID controller.

Question 13

A server administrator is replacing a failed hard drive in a server that uses a hardware RAID controller. The server supports hot-swappable drives. Which of the following should the administrator do FIRST to safely replace the drive?

Accepted Answer

Identify the failed drive using the RAID controller management utility or drive LEDs.. The correct first step is to identify the failed drive using the RAID controller management utility or drive LEDs. This prevents accidentally removing a healthy drive, which could cause a second failure and potentially data loss. Once the failed drive is confirmed, the administrator can safely hot-swap it. Backups and power-down are not required first steps in a hot-swap scenario.

Answer

Remove the drive immediately and replace it with a new one.

Answer

Back up all data on the server before replacing the drive.

Answer

Power down the server and disconnect power cables.

Question 14

A system administrator is configuring a new server that will run a high-performance database. The server has four 1 TB NVMe drives and a hardware RAID controller that supports RAID 0, 1, 5, 6, 10, and 50. The database workload is write-intensive with random I/O. The administrator needs to maximize performance while providing redundancy against a single drive failure. Which RAID level should the administrator choose?

Accepted Answer

RAID 10. For a write-intensive random I/O database workload, RAID 10 is the best choice because it provides redundancy and superior write performance by avoiding parity overhead. RAID 0 lacks redundancy, while RAID 5 and RAID 6 incur write penalties that would hinder performance. RAID 10 meets both the performance and redundancy requirements.

Answer

RAID 6

Answer

RAID 5

Answer

RAID 0

Question 15

A rack-mounted server must be installed in a datacenter cabinet that is only 30 inches deep, while the server's rails require a minimum depth of 35 inches for the rear brackets to attach. The server is currently supported only by the front flanges. Which of the following should the technician do?

Accepted Answer

Relocate the server to a cabinet that meets the rail's minimum depth requirement and mount it with both front and rear brackets secured.. Server rails are designed to attach at both the front and rear of the cabinet, distributing the chassis weight and keeping the unit square. A cabinet that does not meet the rail's minimum depth cannot accept the rear brackets, so the correct action is to install the server in a cabinet that satisfies the rail specification rather than improvising support.

Answer

Mount the server in the shallow cabinet using a universal rail kit that does not require rear attachment.

Answer

Trim the rear rails to fit the 30-inch cabinet and torque the front flanges to compensate for the missing rear support.

Answer

Install the server using only the front mounting flanges and support the rear with a shelf.