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| Section | Weight | Objectives |
|---|---|---|
| Virtualization and Cloud Computing | 11% | - Virtual & cloud security - Cloud service models & deployment types - Cloud infrastructure & resource management - Virtualization concepts & hypervisors |
| Hardware | 25% | - PC components, installation & configuration - Custom PC builds & specialized hardware - Peripherals & storage devices - Power supply & cooling systems - Hardware maintenance & upgrades |
| Hardware and Network Troubleshooting | 28% | - Network issues & resolution - Hardware problems & solutions - Troubleshooting methodology - Component failure diagnosis & repair |
| Mobile Devices | 13% | - Synchronization & data management - Network connectivity & configuration - Hardware components & replacement - Mobile device security & troubleshooting |
| Networking | 23% | - Network connectivity & troubleshooting - Network devices & configuration - Wireless networking standards & security - IP addressing & protocols - Network types, topologies & cables |
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NEW QUESTION # 223
A laptop's wireless speed has been very slow since a new router was installed The user thinks the issue is because the router is misconfigured Which of the following should a technician do first to diagnose this issue?
Answer: B
Explanation:
The first step in troubleshooting is to reproduce the issue. This ensures that the problem exists as reported, and the technician can observe it directly. In this case:
Testing the wireless speed on the user's laptop while connected to the new router allows the technician to verify the problem and gather evidence for further troubleshooting. Reproducing the issue helps confirm whether the problem is with the laptop, the router configuration, or other network factors.
NEW QUESTION # 224
A user prints a spreadsheet in duplex mode. The spreadsheet is difficult to read because some of the columns spill onto the second side of the page. Which of the following should the user do to prevent the issue but still print on both sides of the page?
Answer: C
NEW QUESTION # 225
A technician needs to configure an MX record. Which of the following will the technician use?
Answer: B
Explanation:
An MX, or Mail Exchanger, record is a type of DNS resource record. It identifies the mail server responsible for accepting email for a particular domain. Consequently, an MX record is created or modified in the domain's DNS zone, which is hosted on a DNS server.
Although the MX record points to a mail server, the record itself is configured through DNS. The mail server is the destination identified by the record, not the service in which the DNS record is stored.
A proxy server intermediates network requests, commonly for filtering, caching, or privacy.
A mail server sends, receives, and stores email, but DNS tells other systems how to locate it.
A print server manages printers and print jobs.
CompTIA objective 2.4 specifically includes DNS record types such as A, AAAA, CNAME, MX, and TXT. Microsoft also defines an MX record as a DNS resource record that identifies a domain's mail server.
NEW QUESTION # 226
A technician must upgrade a computer system to improve its overall processing performance. Which of the following should the technician focus on to ensure maximum system performance?
Answer: A
Explanation:
Clock frequency is one of the most significant factors influencing a computer system's processing performance. According to CompTIA Core 1 (220-1201) CPU and performance objectives, clock speed-measured in gigahertz (GHz)-determines how many instruction cycles a processor can perform per second.
Higher clock frequencies generally result in faster execution of instructions, leading to improved performance in both single-threaded and multi-threaded workloads. While modern CPUs also rely on core count, cache size, and architecture efficiency, clock frequency remains a primary metric for evaluating raw processing speed.
An integrated GPU affects graphics performance rather than overall CPU processing capability. Power connectors ensure proper electrical delivery but do not directly improve processing performance. The voltage regulator module (VRM) stabilizes and regulates power supplied to the CPU but does not itself increase processing speed.
CompTIA expects candidates to recognize clock frequency as a key determinant of CPU performance when upgrading or comparing processors.
Reference:
CompTIA A+ Core 1 (220-1201) Official Study Guide - CPU Architecture and Performance
NEW QUESTION # 227
Which of the following best describes a Type 2 hypervisor?
Answer: B
Explanation:
CompTIA A+ divides hypervisors into two main categories: Type 1 (bare-metal) and Type 2 (hosted). A Type 2 hypervisor runs on top of an existing host operating system such as Windows, macOS, or Linux. It relies on the host OS for device drivers, hardware interaction, and resource management. Examples include VMware Workstation, Oracle VirtualBox, and Parallels Desktop.
Type 2 hypervisors are ideal for lab environments, testing, learning, and small-scale virtualization because they do not require dedicated hardware or direct hardware control. The host OS loads first, and the hypervisor runs as an application, allowing users to create and manage virtual machines from within the OS environment.
Option B describes a Type 1 hypervisor, which installs directly on hardware without a host OS. Option A is unrelated, as firewalls are separate from virtualization technology. Option D is incorrect because hypervisors do not inherently increase CPU capabilities; they merely allocate existing hardware resources to virtual machines.
Thus, the correct and CompTIA-aligned description of a Type 2 hypervisor is that it runs on a host operating system.
NEW QUESTION # 228
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