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| Section | Weight | Objectives |
|---|---|---|
| Hardware and Network Troubleshooting | 28% | - Troubleshooting methodology - Network issues & resolution - Hardware problems & solutions - Component failure diagnosis & repair |
| Virtualization and Cloud Computing | 11% | - Virtualization concepts & hypervisors - Cloud service models & deployment types - Cloud infrastructure & resource management - Virtual & cloud security |
| Mobile Devices | 13% | - Hardware components & replacement - Synchronization & data management - Network connectivity & configuration - Mobile device security & troubleshooting |
| Hardware | 25% | - Peripherals & storage devices - Hardware maintenance & upgrades - Power supply & cooling systems - Custom PC builds & specialized hardware - PC components, installation & configuration |
| Networking | 23% | - Network devices & configuration - Wireless networking standards & security - IP addressing & protocols - Network connectivity & troubleshooting - Network types, topologies & cables |
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NEW QUESTION # 188
A user reports poor performance on the application server.
INSTRUCTIONS
Click on Server 1 and Server 2 and review the information presented in each chart to determine which drives need to be replaced.
Select the appropriate replacement drive that should be used, for the least performance degradation to the server.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
See the detailed solution in explanation below.
Explanation:
The degraded status on Server 2 indicates a RAID-5 issue, typically due to a failed or failing drive. In RAID-5 configurations, when one drive fails, the system can still operate but with reduced performance as parity data is used to rebuild missing data on-the-fly.
Recommended Replacement Drive:
To minimize performance degradation, the replacement drive should be:
SAS HDD with the same specifications (64KB stripe size, no read-ahead, and write-back policy).
Matching the configuration exactly ensures seamless integration and optimizes recovery speed in the RAID-5 array.
In RAID-5, degraded performance is expected when one drive fails, as parity data needs to rebuild missing information during each read/write process. Replacing the failed drive restores the RAID array to optimal status, reducing the load on existing drives and returning the system to normal read/write performance. The write-back policy and disabled disk cache settings are designed to reduce latency and increase efficiency, essential for handling real-time applications.
A user reports poor performance on the
application server.
INSTRUCTIONS
Click on Server 1 and Server 2 and review
the information presented in each chart to
determine which drives need to be replaced.
Select the appropriate replacement drive
that should be used, for the least
performance degradation to the server.
A computer server with many black and silver parts AI-generated content may be incorrect.A computer server with many black boxes Description automatically generated with medium confidence
A screen shot of a computer AI-generated content may be incorrect.A screen shot of a computer Description automatically generated
A computer screen shot of a computer AI-generated content may be incorrect.A computer screen shot of a computer Description automatically generated
A computer screen shot of a computer AI-generated content may be incorrect.A computer screen shot of a computer Description automatically generated
A computer screen shot of a computer AI-generated content may be incorrect.A computer screen shot of a computer Description automatically generated
A screenshot of a computer AI-generated content may be incorrect.A screenshot of a computer Description
automatically generated
A screenshot of a computer AI-generated content may be incorrect.A screenshot of a computer Description
automatically generated
NEW QUESTION # 189
A customer has contacted you about building two new desktops. The first desktop will be a gaming workstation. The customer requirements include:
Playing the newest games at a high frame rate
Fast game load times
Enough storage to have several games installed at once
High-end audio
No concern about cost
Running the current Windows OS
The second workstation will be a family workstation. The requirements include:
Capability for word processing, videoconferencing, and basic web surfing Minimal cost, as long as it meets the requirements Running the current Windows OS
Answer:
Explanation:
Explanation:
A computer tower with a hard drive and a hard drive AI-generated content may be incorrect.
A computer tower with a computer and a hard drive AI-generated content may be incorrect.
NEW QUESTION # 190
An organization uses a vendor-hosted database server. Which of the following best describes this solution?
Answer: B
Explanation:
A vendor-hosted database server is a platform service where the provider manages the underlying infrastructure and database engine, allowing the organization to focus on using the database without managing servers or operating systems.
NEW QUESTION # 191
Which of the following characteristics differentiates DDR4 RAM from DDR3 RAM?
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract (Aligned With CompTIA A+ 220-1201 Study Guide) CompTIA A+ Core 1 memory standards describe the differences between DDR generations. One of the key improvements in DDR4 over DDR3 is reduced operating voltage, which allows lower power consumption and increased efficiency.
DDR3 operates at 1.5V (some variants 1.35V)
DDR4 operates at 1.2V (some variants 1.05V LPDDR4)
This lower voltage is a recognized defining characteristic separating DDR4 from DDR3.
Other differences such as increased speed and internal bank structure exist, but the question specifically asks for the characteristic that differentiates DDR4 from DDR3 - and voltage is the correct, primary distinction used in CompTIA A+ materials.
Why the other options are incorrect
B . Higher latency
DDR4 generally has slightly higher CAS latency numbers, but due to increased speed, real latency is similar. This is not the standard differentiator referenced by CompTIA.
C . Increased DIMM width
DDR3 and DDR4 standard DIMMs both have a 64-bit data width.
D . Single-sided modules
Both DDR3 and DDR4 can be single- or double-sided; not a differentiating factor.
NEW QUESTION # 192
A technician upgrades the graphics card in a custom-built computer for a video game graphics tester. The computer works when the tester checks email. However, each time the tester attempts to launch video games, a BSOD occurs. Which of the following components should the technician upgrade?
Answer: C
Explanation:
The upgraded graphics card draws substantially more power when running video games than during light tasks. A higher-capacity power supply is needed to provide stable power under the increased graphics workload.
NEW QUESTION # 193
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