Fifth A+

A technician is working to connect an RS-232 serial signature pad to a customer's ultralightweight laptop. Which of the following should the technician use to install the device?

• Port replicator
• Wi-Fi Direct
• Hotspot
• USB-C cable

Which of the following wireless networking protocols will support both 2.4GHz and 5GHz devices?

• 802.11ac
• 802.11ax
• 802.11b
• 802.11g

A customer reports that access to the network fileshare has become much slower than usual, but local applications do not seem to have trouble. The technician checks the bandwidth to other servers and finds no issues. Which of the following should the technician check NEXT?

• Level of network utilization
• Customer use of two-factor authentication
• Amount of local drive space
• RAID array drive health

A virtual file server in the cloud is configured to automatically add compute resources during times of high load on the server. Which of the following describes this cloud feature?

• File synchronization
• High availability
• Rapid elasticity
• Shared resources

A technician is on site troubleshooting a customer's laptop. The technician needs to download a software update, but the company’s proxy is blocking updates. Which of the following would be the MOST appropriate action for the technician to take to get the update?

• Connect to a hotspot
• Request a traffic exemption
• Change the DNS address to 1.1.1.1
• Update the Group Policy settings

An integrated webcam on a user's laptop broke, so a technician installed a temporary, external webcam. Since the external webcam installation, other users can only see part of the user's face during videoconferences. Which of the following BEST describes the reason for this issue?

• The webcam is not on a level surface.
• The webcam driver should be updated.
• The webcam is plugged into the wrong USB port.
• The webcam is not compatible with the OS.

A network engineer recently deployed a new application server in a cloud environment. Which of the following should be implemented to prevent a single point of failure within the system?

• Rapid elasticity
• RAID
• High availability
• Shared resources

A new HD webcam's image only updates one or two times per second. The specifications indicate the webcam is capable of updating 30 frames per second. Which of the following is MOST likely causing the issue?

• The USB 2.0 port has insufficient bandwidth.
• The Thunderbolt connector is not compatible.
• The VGA cable does not support a digital signal.
• The connection should use plenum instead of STP.

A user needs to transfer files from an Apple phone to a workstation. Which of the following connection types should the user utilize?

• USB-C
• Serial
• Lightning
• NFC

A technician is installing a USB Wi-Fi card. Which of the following would be the MOST appropriate way for the technician to receive the latest official drivers for the device?

• Download the drivers from the vendor's website.
• Allow the OS to install the drivers automatically.
• Utilize a third-party, non-OEM driver.
• Run the autoinstall CD.