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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking | 23% | - IP addressing & protocols - Wireless networking standards & security - Network connectivity & troubleshooting - Network devices & configuration - Network types, topologies & cables |
| Topic 2: Mobile Devices | 13% | - Synchronization & data management - Network connectivity & configuration - Mobile device security & troubleshooting - Hardware components & replacement |
| Topic 3: Hardware and Network Troubleshooting | 28% | - Troubleshooting methodology - Hardware problems & solutions - Component failure diagnosis & repair - Network issues & resolution |
| Topic 4: Virtualization and Cloud Computing | 11% | - Virtualization concepts & hypervisors - Cloud infrastructure & resource management - Cloud service models & deployment types - Virtual & cloud security |
| Topic 5: Hardware | 25% | - Peripherals & storage devices - PC components, installation & configuration - Hardware maintenance & upgrades - Custom PC builds & specialized hardware - Power supply & cooling systems |
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NEW QUESTION # 268
A user's laptop keyboard is distorted and is no longer flat. Which of the following components most likely tailed?
Answer: B
Explanation:
A distorted or bulging keyboard is commonly caused by a swollen battery underneath it, which expands and pushes against the keyboard, deforming its shape.
NEW QUESTION # 269
A technician must install additional RAM in a desktop computer. Which of the following types of RAM will the technician most likely use?
Answer: C
Explanation:
Desktop computers most commonly use DIMM modules (Dual Inline Memory Module) for system memory.
DIMMs are the standard full-size RAM sticks installed in desktop motherboard memory slots and are available in modern DDR generations such as DDR4 and DDR5. CompTIA A+ Core 1 expects you to distinguish common form factors: desktops use DIMM, while laptops typically use SO-DIMM (Small Outline DIMM).
The other options are either specialized memory types or not the typical "type" used to describe desktop installation. Static refers to SRAM (static RAM), which is used for CPU cache and other internal high-speed buffers, not for installing system RAM modules in a desktop. ECC (Error-Correcting Code) memory is used mainly in servers/workstations where data integrity is critical and requires motherboard/CPU support; it is not the most likely choice for a typical desktop upgrade. Registered (buffered) memory is also primarily for servers and compatible platforms, improving stability with large memory configurations but not common in standard desktops. Therefore, the best answer for typical desktop RAM installation is DIMM.
NEW QUESTION # 270
While reviewing options in the BIOS/UEFI settings page to fix a laptop issue, a support technician notices an option to clear existing TPM keys. Which of the following would most likely happen if the TPM is cleared?
Answer: B
Explanation:
The Trusted Platform Module (TPM) is a hardware-based security feature used to store cryptographic keys, such as those used for encryption, authentication, or device identification. It plays a critical role in ensuring secure operations for encrypted drives, BitLocker, and secure boot processes. Clearing TPM keys involves wiping all stored cryptographic data, which can lead to several consequences depending on what the TPM was being used for. Let's break it down:
The answer: A. Encrypted hard drives would probably not be accessible.
Encrypted hard drives, such as those secured with BitLocker encryption, rely on the cryptographic keys stored in the TPM to unlock data.
Clearing the TPM will erase these keys, making it impossible for the encrypted drive to decrypt its contents unless a recovery key (separate from the TPM) is available. Without this recovery key, the data will likely become inaccessible.
CompTIA A+ Core 1 Exam Objective Reference: This falls under Objective 3.5, which covers understanding BIOS/UEFI configurations, TPM functions, and securing devices.
Why the Other Options Are Incorrect:
B). All security certificates would need to be reinstalled from trusted roots.
Clearing the TPM does not erase security certificates stored in the operating system or other areas.
Certificates are generally managed by the OS or specific applications, not the TPM.Clearing the TPM only affects cryptographic keys and data stored in the TPM chip, so this is incorrect.
C). The device would need to be reenrolled in the MDM platform.
Mobile Device Management (MDM) enrollment typically does not rely on the TPM. While certain enterprise security configurations may involve the TPM, clearing it does not inherently trigger MDM reenrollment unless specifically tied to the MDM configuration.
D). The laptop would need to be registered to the domain as a new client.
While domain registrations may sometimes use TPM for authentication or secure operations, clearing the TPM alone does not require re-registering the device to the domain. The domain registration and authentication process rely more on system-level credentials than the TPM itself.
Practical Example:
A user enables BitLocker on their laptop, which relies on the TPM to store the encryption key. Later, if they clear the TPM via BIOS/UEFI without saving the BitLocker recovery key separately, they will not be able to unlock the hard drive, leading to data loss unless the recovery key is available. This is a common issue when technicians or users inadvertently clear the TPM without understanding its role in encryption.
CompTIA A+ Exam Objective Alignment:
Objective 3.5: Given a scenario, install and configure laptop hardware and components, including UEFI/BIOS security settings (TPM, secure boot, etc.).
This question tests understanding of TPM functionality, encryption technologies, and secure device configurations.
NEW QUESTION # 271
A thief stole a company phone and successfully extracted confidential company information from the device. Which of the following should have been used to prevent the extraction?
Answer: A
Explanation:
Mobile Device Management enforces security controls such as device encryption, remote wipe, and access policies, preventing unauthorized access and data extraction from a stolen device.
NEW QUESTION # 272
A user reports that a phone's integration features consistently stop and restart when charging the phone in a car. A technician checks the phone and finds no malicious applications. Which of the following should the technician do to fix the issue?
Answer: C
Explanation:
Cleaning the connection port can resolve issues caused by dirt, debris, or corrosion interfering with the phone's charging and data connection, which can cause integration features to stop and restart.
NEW QUESTION # 273
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