A customer built a computer for gaming, sourcing individual components and then assembling the system.
The OS starts up, but within a few minutes the machine locks up.
The customer brought the computer to a technician to diagnose the issue.
Hot Area:
Correct Answer:
Question 2:
SIMULATION
A technician is installing a wireless access point and is required to run all cabling and make patch cords if necessary.
INSTRUCTIONS
Part 1
For each cable type, click the (+) to select the appropriate connector and tool.
Part 2
An access point was moved and no longer has connectivity. Connect the access point, patch panel, and switch by clicking the (+) to select the appropriate cable end for each corresponding location to create a link.
The link will be visible after making the second selection of each pair.
Cable ends may be used multiple times, and all placeholders will be filled.
Correct Answer: See the solution below in Explanation.
Check the exhibit diagram for both parts.
Part 2
A close-up of several ports
Question 3:
HOTSPOT - For Family(SOHO)
A customer has contacted you about building two new desktops.
The first desktop will be a gaming workstation. The customer requirements include:
1.
Playing the newest games at a high frame rate
2.
Fast game load times
3.
Enough storage to have several games installed at once
4.
High-end audio
5.
No concern about cost
6.
Running the current Windows OS
The second workstation will be a family workstation. The requirements include:
1.
Capability for word processing, videoconferencing, and basic web surfing
2.
Minimal cost, as long as it meets the requirements
3.
Running the current Windows OS
INSTRUCTIONS
Use the drop-down menus to select the appropriate component for each category, based on the above requirements.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
For FAMILY(SOHO)
Hot Area:
Correct Answer:
Question 4:
HOTSPOT -For Gaming
A customer has contacted you about building two new desktops.
The first desktop will be a gaming workstation. The customer requirements include:
1.
Playing the newest games at a high frame rate
2.
Fast game load times
3.
Enough storage to have several games installed at once
4.
High-end audio
5.
No concern about cost
6.
Running the current Windows OS
The second workstation will be a family workstation. The requirements include:
1.
Capability for word processing, videoconferencing, and basic web surfing
2.
Minimal cost, as long as it meets the requirements
3.
Running the current Windows OS
INSTRUCTIONS
Use the drop-down menus to select the appropriate component for each category, based on the above requirements.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
For Gaming
Hot Area:
Correct Answer:
Question 5:
HOTSPOT
A technician is setting up a video-editing workstation and the operating system is already installed on an internal M.2 drive.
The new workstation must meet the following requirements:
Be able to edit files at the fastest speed
Allow for disk failure without any downtime Have 2TB of usable space Ensure the most robust fault tolerance
INSTRUCTIONS
Use the drop-down menus to select the appropriate RAID level, drive types, and drive sizes based on the requirements above. For each drive type that is selected, a corresponding drive size must also be selected.
Hot Area:
Correct Answer:
Based on the requirements, the best option for the video-editing workstation is to use RAID 10 with four SATA SSDs of 1TB each. This configuration will meet the following requirements: Be able to edit files at the fastest speed: RAID 10 combines the advantages of RAID 0 and RAID 1, which are striping and mirroring, respectively. Striping can increase the data transfer rate by using multiple disks in parallel, while mirroring can provide redundancy and reliability by duplicating the data on another set of disks. SATA SSDs are also faster than HDDs or SSHDs, as they use flash memory instead of spinning disks, and they can offer lower latency, higher IOPS, and less noise and heat. Allow for disk failure without any downtime: RAID 10 can withstand up to two disk failures, as long as they are not in the same mirrored pair. If one disk fails, the data can be read from or written to the other disk in the same pair, without affecting the performance or availability of the array. The failed disk can be replaced and rebuilt without interrupting the operation of the workstation. Have 2TB of usable space: RAID 10 uses half of the total disk capacity for mirroring, so the usable space is equal to the size of two disks. By using four SATA SSDs of 1TB each, the total disk capacity is 4TB, and the usable space is 2TB, which meets the requirement. Ensure the most robust fault tolerance: RAID 10 offers the highest level of fault tolerance among the standard RAID levels, as it can survive multiple disk failures and provide fast recovery. RAID 10 also has a low overhead, as it does not use parity or checksums, which can slow down the write performance or increase the complexity of the array. Therefore, the technician should select the following options from the drop-down menus: RAID level: RAID 10 Drive type 1: SATA SSD Drive size 1: 1TB Drive type 2: SATA SSD Drive size 2: 1TB Drive type 3: SATA SSD Drive size 3: 1TB Drive type 4: SATA SSD Drive size 4: 1TB Drive type 5: SATA SSD Drive size 5: 1TB
Question 6:
A technician is troubleshooting a network issue and needs to check the status of a local network device in the least disruptive manner possible_ Which of the following tools should the technician use to accomplish this task?
A. Network tap
B. Cable tester
C. Multimeter
D. Tone generator
Correct Answer: A
Explanation: A network tap is a device that can be used to monitor and analyze the traffic and data that pass through a network. A network tap can be inserted between two network devices, such as a switch and a router, and capture the packets that flow in both directions. A network tap can then send a copy of the packets to another device, such as a laptop or a server, for inspection and troubleshooting. A network tap can help diagnose and resolve network issues, such as performance, security, or configuration problems. A network tap is the least disruptive tool for checking the status of a local network device, because it does not interfere with the normal operation of the network. A network tap does not alter or block the packets that it captures, and it does not introduce any latency or noise to the network. A network tap can also operate in stealth mode, which means that it is invisible to the network devices and cannot be detected by hackers or attackers.
Question 7:
Which of the following cables should be used when connecting a cable modem to a SOHO router?
A. FireWire
B. Fiber
C. Ethernet
D. Coaxial
Correct Answer: C
Explanation: The correct answer is C. Ethernet.
An Ethernet cable is a type of network cable that is used to connect devices on a local area network (LAN), such as computers, routers, switches, and modems. Ethernet cables have RJ-45 connectors at both ends, which are similar to telephone jacks but larger. Ethernet cables can carry data signals at speeds ranging from 10 Mbps to 10 Gbps, depending on the type and quality of the cable. A cable modem is a device that connects to a coaxial cable from a cable service provider and provides high-speed internet access. A SOHO router is a small office/home office router that connects to a cable modem or DSL modem and provides network and internet access to multiple devices on a LAN. A SOHO router typically has one WAN port and four LAN ports. The WAN port is used to connect to the cable modem or DSL modem, while the LAN ports are used to connect to computers or other devices on the LAN. To connect a cable modem to a SOHO router, an Ethernet cable is needed. The Ethernet cable is plugged into the WAN port of the SOHO router and the Ethernet port of the cable modem. This allows the SOHO router to receive an IP address from the cable service provider and share it with the devices on the LAN using network address translation (NAT). The SOHO router also provides firewall and wireless features for the LAN. The other options are incorrect because they are not suitable for connecting a cable modem to a SOHO router. FireWire is a type of serial bus that is used to connect devices such as digital cameras, external hard drives, and audio interfaces. FireWire cables have different connectors than Ethernet cables and cannot be used for network communication. Fiber is a type of optical cable that uses light signals to transmit data over long distances. Fiber cables have special connectors that are not compatible with Ethernet ports. Coaxial is a type of copper cable that has a central conductor surrounded by an insulating layer and a braided shield. Coaxial cables are used for cable TV and internet services, but they cannot be directly connected to Ethernet ports without an adapter. References: CompTIA A+ Certification Exam: Core 1 Objectives (220-1001) Installing and Configuring a Cable Modem/DSL Router Cisco 831 Router and SOHO 91 Router Cabling and Setup Quick Start Guide
Question 8:
While on a VoIP call, one user is unable to understand the other because the audio is breaking up. Which of the following BEST describes what is occurring on the call?
A. High latency
B. External interference
C. No connectivity
D. Port flapping
Correct Answer: A
High latency is what best describes what is occurring on a VoIP call when one user is unable to understand the other because the audio is breaking up. Latency is the delay between sending and receiving data over a network, and high latency can cause poor quality or interruptions in VoIP calls. External interference, no connectivity, or port flapping are not likely to cause audio breaking up, but rather complete loss of signal or connection.
Question 9:
A technician is attempting to fix a computer that does not turn on when the power button is pressed Which of the following should the technician perform NEXT to troubleshoot the issue?
A. Verify the output voltages from the power supply unit.
B. Open the computer cabinet and replace the power button.
C. Remove and reconnect all cables that are plugged into the motherboard
D. Reseat the power cable and confirm the outlet is providing energy.
Correct Answer: D
The first step in troubleshooting a computer that does not turn on when the power button is pressed is to check if there is any power going to the computer. The technician should reseat or reconnect the power cable to ensure it is firmly
attached to both ends, and confirm that the outlet or power strip is providing energy by using a multimeter or another device. This can eliminate any issues with loose or faulty connections or power sources, and help isolate the problem
A user is requesting a headset that can be physically connected to a laptop for online conference calls. Which of the following connections should the headset use?
A. Bluetooth
B. DVI
C. Thunderbolt
D. USB
Correct Answer: D
Explanation: A USB (universal serial bus) connection is the most suitable option for a headset that can be physically connected to a laptop for online conference calls. A USB connection is a digital interface that can transfer both power and data between devices using a standard cable. A USB headset can plug into any available USB port on the laptop and communicate with the audio and microphone drivers without requiring additional software or hardware. A USB headset can also offer enhanced features, such as inline controls, noise cancellation, surround sound, or LED lighting, depending on the model and manufacturer. Other connections, such as Bluetooth, DVI, or Thunderbolt, are not appropriate for a headset that can be physically connected to a laptop. Bluetooth is a wireless technology that uses radio waves to pair devices over a short distance, and it requires a battery or a charger for the headset. DVI (digital visual interface) is a video interface that can transmit digital or analog signals between a display device and a video source, and it is not compatible with audio or microphone devices. Thunderbolt is a high-speed interface that can support multiple protocols, such as DisplayPort, USB, or PCI Express, and it requires a special cable and port that may not be available on all laptops. References: How to set up and use a headset on Windows 10 | Windows Central1 How to Connect a Headset to a Computer2 USB - Wikipedia
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