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| Section | Weight | Objectives |
|---|---|---|
| Networking | 20% | - Network fundamentals
|
| Hardware and Network Troubleshooting | 29% | - Troubleshooting methodology
|
| Hardware | 25% | - PC hardware components
|
| Virtualization and Cloud Computing | 11% | - Cloud computing concepts
|
| Mobile Devices | 15% | - Mobile device hardware and components
|
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NEW QUESTION # 11
Which of the following tools would most likely be used to identify a cable's location in the network closet?
Answer: C
Explanation:
A toner probe is used to trace and identify cables by sending a signal through the wire and detecting it at the other end, allowing technicians to locate specific cables in a network closet.
NEW QUESTION # 12
Which of the following types of RAM would most likely be used in a server?
Answer: C
Explanation:
ECC (Error-Correcting Code) RAM is commonly used in servers because it can detect and correct memory errors, providing greater stability and reliability for mission-critical environments.
NEW QUESTION # 13
A technician receives a tablet that looks like it has a bulge inside. The bulge is pushing the screen away from the backplate. The tablet still turns on when it is plugged in, but the screen looks damaged and turns off when unplugged. Which of the following is the most likely cause of this issue?
Answer: A
Explanation:
The most likely cause is a swollen battery, which occurs when the battery's internal components break down, causing a buildup of gas. This results in:
Physical Symptoms: The battery bulges, pushing the screen away.
Operational Symptoms: The device may still power on when connected to a charger but fails to hold a charge due to battery degradation.
Option A (Malfunctioning power supply): Incorrect. Power supply issues affect charging but do not cause physical bulging.
Option B (Damaged charge port): Incorrect. A damaged port can prevent charging but does not explain the bulge.
Option D (Broken screen): Incorrect. A damaged screen does not cause the device to bulge; it is likely a secondary effect of the swollen battery.
Safety Note: A swollen battery poses a risk of fire or explosion and should be replaced immediately following proper disposal procedures.
References:
CompTIA A+ Core 1 Objectives: 5.5 (Troubleshooting common issues with mobile devices)
NEW QUESTION # 14
Which of the following describes the difference between routers and switches?
Answer: C
Explanation:
The correct answer is B. Switches connect devices within a network; routers connect networks.
According to the CompTIA A+ Core 1 220-1201 networking objectives:
* Switches operate at the Data Link layer (Layer 2) and sometimes Layer 3, connecting multiple devices within the same local area network (LAN). They manage data traffic between devices by using MAC addresses to forward frames only to the intended recipient.
* Routers operate at the Network layer (Layer 3) and connect different networks together, such as connecting a LAN to the internet. They use IP addresses to determine the best path for forwarding packets between networks.
Why the other options are incorrect:
* A. Routers are programmable; switches are not programmable: Both devices can have programmable configurations in enterprise environments, so this is not a defining difference.
* C. Switches are programmable; routers are not programmable: Same reasoning as above; not accurate.
* D. Routers connect devices within a network; switches connect networks: This reverses the actual roles and is incorrect.
References:
CompTIA A+ Core 1 (220-1201) Exam Objectives - Networking: "Given a scenario, install and configure network devices including switches and routers and describe their primary functions." Mike Meyers' CompTIA A+ Certification Guide, 13th Edition, Chapter on Networking Devices.
NEW QUESTION # 15
Which of the following supports the most devices due to its status as a legacy technology?
Answer: B
Explanation:
The correct answer is A. 2.4GHz.
In the CompTIA A+ Core 1 220-1201 networking objectives, wireless networking technologies include frequency bands such as 2.4GHz, 5GHz, and 6GHz, along with related concepts like channels, regulations, channel selection, Bluetooth, 802.11 standards, NFC, and RFID.
The 2.4GHz band supports the most devices because it is the oldest and most widely adopted Wi-Fi frequency listed. Many legacy devices, including older laptops, printers, IoT devices, smart home devices, and wireless peripherals, still rely on 2.4GHz. It also has better range and wall penetration than higher-frequency bands, although it is usually more crowded and slower.
Why the other options are incorrect:
B). 5GHz
5GHz is newer than 2.4GHz and generally provides faster speeds with less interference, but it does not support as many older legacy devices.
C). 6GHz
6GHz is the newest Wi-Fi frequency option used with newer Wi-Fi standards, so it has the least legacy device support among the Wi-Fi frequency choices.
D). NFC
NFC is a short-range communication technology, not a Wi-Fi frequency band. It is used for close-proximity functions such as tap-to-pay, pairing, and access cards, so it is not the best answer.
NEW QUESTION # 16
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