Reinforce SK0-005 concepts with active-recall study cards covering all 4 blueprint domains. Each card shows the question on the front and the correct answer with a full explanation on the back.
Flashcards work through active recall — the process of retrieving information from memory rather than passively re-reading it. Research consistently shows that active recall produces stronger, longer-lasting memory than re-reading study guides. For SK0-005 preparation, this means flashcards are one of the highest-return study tools available.
Attempt recall first
Read the SK0-005 question on each card, pause, and attempt to formulate the answer in your own words before revealing. This retrieval attempt — even if wrong — dramatically strengthens memory compared to immediately reading the answer.
Review wrong cards again
When you get a card wrong, note it and add it back to your review pile. Spaced repetition — seeing difficult cards more frequently — is the mechanism that makes flashcard study far more efficient than linear reading.
Study by domain
Group your SK0-005 flashcard sessions by domain for the first 3–4 weeks. Master one domain before moving to the next. In the final week, shuffle all cards together to test cross-domain recall — which is what the real SK0-005 exam requires.
Short sessions beat marathon reviews
20–30 flashcard cards per session, done daily, produces better retention than a single 200-card marathon session. Five short daily sessions per week over 4 weeks gives you over 400 total card reviews — enough to reliably pass SK0-005.
Sample cards from the SK0-005 flashcard bank. Read the question, think of the answer, then read the explanation below.
A technician is installing a new server in a data center. To prevent electrostatic discharge (ESD) damage, which of the following should the technician do FIRST?
Attach an ESD wrist strap to a grounded surface
Option C is correct because using an ESD wrist strap connected to a grounded surface is the primary method to prevent ESD damage. Option A is wrong because wearing rubber-soled shoes alone does not provide a path to ground. Option B is wrong because an anti-static mat must be used with a ground connection. Option D is wrong because spraying anti-static spray on the floor is not a standard ESD prevention method and may create a slip hazard.
A server administrator is tasked with ensuring that a critical database server remains available in the event of a hardware failure. The solution must provide automatic failover with minimal administrative overhead. Which of the following should be implemented?
Server clustering
Server clustering provides automatic failover between nodes, ensuring high availability with minimal administrative overhead. RAID 1 offers disk redundancy but not server-level failover. Load balancing distributes traffic but does not automatically redirect if a server fails. Scheduled backups restore data after a failure but do not prevent downtime.
A server administrator is restoring a file server from a full backup taken 7 days ago and incremental backups taken daily. The restoration fails with an error about missing catalog files. What is the most likely cause?
The incremental backup chain is broken
Restoring from incremental backups requires a complete chain from the last full backup. If any incremental backup in the chain is missing or corrupted, the restore will fail. Corrupted full backup media would cause a different error. OS compatibility issues would likely appear earlier. Hard drive failure would be a hardware error.
A RAID 5 array is degraded due to a failed disk. What is the best practice for recovery?
Replace the failed disk and allow the array to rebuild automatically
Option C is correct because replacing the failed disk and allowing automatic rebuild utilizes the array's redundancy and minimizes downtime. Option A destroys the existing configuration. Option B and D are unnecessary if the array can rebuild.
A technician is installing a new server in a data center. To prevent electrostatic discharge (ESD) damage, which of the following should the technician do FIRST?
Attach an ESD wrist strap to a grounded surface
Option C is correct because using an ESD wrist strap connected to a grounded surface is the primary method to prevent ESD damage. Option A is wrong because wearing rubber-soled shoes alone does not provide a path to ground. Option B is wrong because an anti-static mat must be used with a ground connection. Option D is wrong because spraying anti-static spray on the floor is not a standard ESD prevention method and may create a slip hazard.
A server administrator is tasked with ensuring that a critical database server remains available in the event of a hardware failure. The solution must provide automatic failover with minimal administrative overhead. Which of the following should be implemented?
Server clustering
Server clustering provides automatic failover between nodes, ensuring high availability with minimal administrative overhead. RAID 1 offers disk redundancy but not server-level failover. Load balancing distributes traffic but does not automatically redirect if a server fails. Scheduled backups restore data after a failure but do not prevent downtime.
A server with a RAID 5 array of four disks reports a degraded logical drive. The technician replaces the failed disk and rebuilds the array. After the rebuild completes, the array is still degraded. Which of the following is the most likely cause?
The replacement disk has a different rotational speed than the other disks
Option B is correct because if the replacement disk is of a different speed (e.g., 10k vs 15k), the RAID controller may not accept it or the rebuild may fail, leaving the array degraded. Option A is wrong because missing a partition would not cause the array to remain degraded after rebuild; the array is at a lower level. Option C is wrong because if the firmware were outdated, the controller would likely not recognize the drive at all. Option D is wrong because the disk name in Windows would not affect the RAID status.
A server logged the warning shown in the exhibit. Which of the following should the technician check first?
The processor cooling fan
Option C is correct because the warning indicates high processor temperature, which is often caused by a failed or inadequate cooling fan for the CPU. Option A is wrong because the thermal paste would not cause a sudden temperature change; it's a more gradual issue. Option B is wrong while power supply issues can cause overheating, the more direct cause is the CPU fan. Option D is wrong because ambient temperature might be a factor but checking the CPU fan is a more immediate and likely cause.
A technician is replacing a failed hard drive in a hot-swap RAID 5 array. After inserting the new drive, the RAID controller does not automatically rebuild. What should the technician do first?
Manually initiate a rebuild from the RAID controller utility
Many RAID controllers require manual initiation of the rebuild process. Rebooting may not trigger it. Replacing with a different model is unnecessary. Checking cabling is less likely since the drive is detected. The technician should use the controller utility to start the rebuild.
A server has four memory slots on two channels (A and B). Currently, DIMM_A1 and DIMM_A2 are populated with 8 GB DDR4-2666 modules each. To maximize performance and capacity, which memory configuration should be added?
Add two 8 GB DDR4-2666 modules to DIMM_B1 and DIMM_B2
To achieve dual-channel performance, populate both slots on channel B with identical modules. Adding two 8 GB modules to channel B will enable dual-channel operation and increase capacity to 32 GB symmetrically.
A technician is installing a new server for a department. The server will run a single application that requires high reliability. The operating system should be protected against a single disk failure without sacrificing read performance. Which RAID configuration is MOST appropriate?
RAID 1
Option D is correct because RAID 1 mirrors the OS drive, providing fault tolerance and good read performance. Option A (RAID 0) has no redundancy. Option B (RAID 5) requires at least three disks and has write penalty. Option C (RAID 6) requires at least four disks and is overkill for a simple OS mirror.
A server administrator is restoring a file server from a full backup taken 7 days ago and incremental backups taken daily. The restoration fails with an error about missing catalog files. What is the most likely cause?
The incremental backup chain is broken
Restoring from incremental backups requires a complete chain from the last full backup. If any incremental backup in the chain is missing or corrupted, the restore will fail. Corrupted full backup media would cause a different error. OS compatibility issues would likely appear earlier. Hard drive failure would be a hardware error.
A RAID 5 array is degraded due to a failed disk. What is the best practice for recovery?
Replace the failed disk and allow the array to rebuild automatically
Option C is correct because replacing the failed disk and allowing automatic rebuild utilizes the array's redundancy and minimizes downtime. Option A destroys the existing configuration. Option B and D are unnecessary if the array can rebuild.
A technician is troubleshooting a server that is experiencing high disk I/O wait times. The disk queue length is consistently above 10. Which of the following is the MOST likely cause?
Insufficient RAM
Insufficient RAM can cause excessive paging to disk, leading to high disk I/O wait times and long queue lengths.
A technician is troubleshooting a server that fails to boot. The server displays a 'Boot Device Not Found' error. The technician verifies that the hard drives are spinning and appear in the RAID controller's BIOS. What should the technician check next?
Boot order in BIOS
Option B is correct because boot order is a common cause of 'Boot Device Not Found' when drives are detected. Option A is wrong because if drives are spinning and detected, cables are likely fine. Option C is wrong because missing OS files typically produce a different error. Option D is wrong because the array status is already verified as healthy.
Refer to the exhibit. A server is running slowly. Based on the memory statistics, what is the MOST likely issue?
Insufficient physical memory
With only 1 GB of available physical memory out of 16 GB, the server is heavily dependent on paging, leading to slow performance.
A server administrator is troubleshooting a performance issue on a VMware vSphere host. The host has multiple VMs, and one VM is experiencing high latency on its virtual disk. The administrator checks the datastore and sees it is a RAID 5 array of 4 SAS drives with 50% utilization. Latency for the VM's virtual disk is reported as 200ms. Which action would most likely improve performance?
Migrate the VM to a different datastore with SSD storage.
High latency on a heavily utilized RAID 5 array of spinning disks suggests an I/O bottleneck. Migrating to SSD storage would significantly reduce latency. Option A addresses memory, not disk; B might help with allocation but not latency; C might increase capacity but not improve latency (RAID 6 has more overhead).
A technician is troubleshooting a server that fails to boot after a scheduled power outage. The server is connected to a UPS. Upon pressing the power button, the server powers on briefly (fans spin, lights flash) and then shuts down after 2 seconds. The POST does not complete. The server has a dual power supply with each connected to a separate PDU. Which of the following is the MOST likely cause?
A short circuit in the motherboard
Option C is correct because immediate power-off after a brief spin-up is a classic symptom of a short circuit, often on the motherboard. Option A is wrong because a failed power supply would typically prevent any power-on or cause beep codes, not a brief power-on. Option B is wrong because the UPS battery condition would not cause this behavior if the server is receiving utility power; also the server is receiving power momentarily. Option D is wrong because a dead CMOS battery would cause date/time loss but not prevent boot completely.
A server fails to boot after installing new memory. The POST beep code indicates a memory error. What is the most likely cause?
The new memory is incompatible with the server
The POST memory error most commonly indicates an incompatible or improperly seated memory module. Incompatible memory (e.g., wrong type, speed, or rank) is a frequent issue when adding memory to servers. Option B is less common because most servers auto-detect slots. Option C is not required for basic memory compatibility. Option D would cause system instability, not a specific memory error.
A company uses a two-node failover cluster for a critical application. The cluster nodes are located in the same data center, and the quorum configuration uses a file share witness on a separate server in the same data center. During a major power outage, both cluster nodes and the file share witness server lose power. What is the impact on cluster availability?
The cluster will be offline until one of the nodes or the witness comes back online.
In a two-node cluster with a file share witness, if both nodes and the witness are unavailable, the cluster cannot achieve quorum and will be offline. This is because the cluster requires a majority of votes to stay online. With only two nodes, the witness is needed to break ties. Without any votes, the cluster fails.
A server is running out of disk space on the system drive (C:). The server is running Windows Server 2019. The IT manager wants to add more space without downtime. The server has one free SATA port and one available drive bay. Which of the following is the BEST solution?
Add a new drive, create a new partition, and mount it as a folder in the system drive
Option C is correct because mounting a new drive as a folder into the C: drive allows immediate space expansion without downtime or rebooting. Option A is wrong because it requires downtime for replacement and restore. Option B is wrong because configuring a mirror would require converting to dynamic disk and may require a reboot; also it duplicates data but does not add usable capacity. Option D is wrong because shrinking the system partition and extending to another disk is complex and often requires reboot or specialized software.
A server with dual redundant power supplies shuts down unexpectedly. One power supply has a solid amber LED. What is the most likely cause?
The power supply has failed
A solid amber LED on a redundant power supply typically indicates a power supply failure. Overheating would cause both to fail or trigger thermal shutdown. A power cord unplugged would show no LED. Server overload would not cause a single amber LED.
The SK0-005 flashcard bank covers all 4 official blueprint domains published by CompTIA. Cards are distributed proportionally, so domains with higher exam weight have more cards.
Domain Coverage
server-hardware-installation-management
server-administration
security-disaster-recovery
troubleshooting
Both flashcards and practice questions are evidence-based study tools. The difference is in what they train:
Flashcards — concept retention
Best for memorising definitions, acronyms, protocol behaviours, command syntax, and conceptual distinctions. Use flashcards to build the foundational vocabulary that SK0-005 questions assume you know.
Best in: weeks 1–3
Practice tests — application
Best for applying concepts to realistic scenarios, eliminating distractors, and building exam stamina.SK0-005 questions test scenario reasoning — not just recall — so practice tests are essential.
Best in: weeks 3–6
The most effective SK0-005 study plan combines both: use flashcards for the first 2–3 weeks to build conceptual foundations, then shift to practice tests and mock exams in the final 2–3 weeks to apply and benchmark that knowledge. Most candidates who pass on their first attempt use both tools.
Yes. Courseiva provides free SK0-005 flashcards across all official exam domains. Every card includes the correct answer and a full explanation of why it is right and why the distractors are wrong. The platform also includes topic-based practice, mock exams, and readiness tracking — no account required.
Courseiva has 144+ original SK0-005 flashcards across all 4 exam blueprint domains. New cards are added regularly as the question bank grows. All cards are written by certified engineers against the official CompTIA exam objectives.
Courseiva flashcards are purpose-built for IT certification exams. Unlike generic flashcard platforms where content quality varies, every Courseiva card is mapped to the official SK0-005 exam blueprint, written by engineers who hold the certification, and includes a full explanation of the correct answer and why the distractors are wrong. This explanation quality is what separates genuine learning from rote memorisation.
Courseiva is a web platform — an internet connection is required. For offline study, we recommend creating free Courseiva account, using the platform in your browser, and using your device's offline capabilities if your browser supports offline web apps.
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