- (Topic 4)
A user's Windows PC is unable to connect to the network at a new branch office that the user is visiting. A technician discovers the PC is unable to ping the local gateway. Which of the following commands should the technician use next?
Correct Answer:
A
ipconfig is a command-line tool that displays the current configuration of the network interfaces on a Windows PC. It can also be used to release and renew the IP address, flush the DNS cache, and display the routing table. If the PC is unable to ping the local gateway, the technician should use ipconfig to check the IP address, subnet mask, default gateway, and DNS servers of the PC. The technician can also use ipconfig /renew to request a new IP address from the DHCP server, or ipconfig /flushdns to clear the DNS cache.
References
•[CompTIA A+ Core 1 (220-1001) Certification Study Guide], page 78
•How to use the ipconfig command on Windows 10
•How to Ping the Windows Network Router
- (Topic 3)
A laptop does not have any audio output from the built-in speakers. The Windows Device Manager shows a down arrow for the audio device. Which of the following will correct this audio issue?
Correct Answer:
C
Enabling the audio device is the correct action to correct an audio issue where a laptop does not have any audio output from the built-in speakers and Windows Device Manager shows a down arrow for the audio device. A down arrow indicates that the audio device is disabled and needs to be enabled by right-clicking on it and selecting Enable device. Replacing the speakers, increasing the volume, or updating the driver are unlikely to solve the issue if the audio device is disabled.
- (Topic 2)
Which of the following types of devices MOST often uses a Thunderbolt cable?
Correct Answer:
C
Thunderbolt cables are commonly used to connect Apple laptops to external displays or other devices. While Thunderbolt is available on some Windows and Chromebook devices, it is most commonly associated with Apple products. References: https://www.intel.com/content/www/us/en/products/docs/io/thunderbolt/thunderbolt- technology-general.html
- (Topic 4)
A technician is asked to set up a new laptop for a coworker. Which of the following storage devices and interfaces will provide the best performance? (Select two).
Correct Answer:
BD
M.2 SSD and NVMe interface are the best options for storage devices and interfaces that provide the best performance. M.2 SSD is a form factor that allows for faster data transfer and lower power consumption than traditional SATA SSDs. NVMe is a protocol that enables direct communication between the SSD and the PCIe bus, bypassing the SATA controller and reducing latency and overhead. Together, they offer the highest speed and efficiency for storage devices.
References:
The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook1, page 3-17, section “M.2 Interface”.
The Official CompTIA A+ Core 1 (220-1101) Certification Study Guide2, page 3-21, section “NVMe”.
- (Topic 3)
A bank wants to leverage cloud computing but would like a cloud solution in which infrastructure is isolated from other businesses. Which of the following cloud models would BEST address the bank's need?
Correct Answer:
C
A private cloud is a cloud computing model that provides services and resources to a specific organization or group over a private network. A private cloud can offer more security and control than other cloud models, as well as customized infrastructure that suits the organization’s needs. A bank would most likely choose a private cloud model to leverage cloud computing while maintaining isolation from other businesses. A public cloud is a cloud computing model that provides services and resources to anyone over the internet. A hybrid cloud is a combination of public and private cloud services that share data and resources.