Comptia A+ 5-45

A technician wants to block remote logins to a server. Which of the following ports should be blocked?

21

A user is no longer able to browse the Internet after returning from vacation. The user is able to log in and navigate to the local intranet, but not to any outside sites. A technician pings a well- known website by name but gets no reply. The technician then pings its IP address and gets a reply. Which of the following commands will MOST likely resolve the issue?

ipconfig /flushdns

Which of the following channels would commonly be used on an 802.11 wireless network?

6

An end user wants to have a second monitor installed on a laptop. Which of the following would allow a technician to configure the laptop to show both screens once the cable is connected?

Adjust the monitor display settings.

A user brings in a smartphone for repair. The device is unable to send/receive calls or connect to WiFi. All applications on the device are working unless they require connectivity. Which of the following is MOST likely causing the problem?

Airplane mode

Which of the following peripherals would a company use to take inventory quickly and update price tags for products? (Choose two.)

Barcode scanner/Magnetic reader

Which of the following Ethernet cables would BEST support an application that requires a 600Mbps throughput at the lowest price point?

Cat 5e

A company has very strict rules regarding proprietary information leaving the premises. All computers host proprietary information. A technician is called to repair a computer on-site at the company's corporate office. The technician identifies the problem and goes through the troubleshooting steps to create a plan of action. The technician determines the computer needs to be taken off-site for repair. Which of the following should the technician do NEXT?

Check corporate policies for guidance.

A technician is troubleshooting a Windows CAD workstation that is running slow. The computer uses RAID 10 and has dual GPU cards. The user states that the same application runs faster on an identical workstation. Which of the following should the technician perform FIRST to troubleshoot the problem?

Check the event log for any cache issues.

Multiple users report that the network printer, which is connected through the print server, is not printing. Which of the following should a technician do FIRST to remedy this situation?

Clear the print queue.

A user reports that a laptop is not connecting to the corporate wireless network. A technician confirms with a smartphone that the corporate wireless network is available and can be accessed. The technician observes that the Ethernet connection to the corporate network is working. The technician disconnects the Ethernet cable. Which of the following should the technician do NEXT to troubleshoot this problem?

Confirm that the laptop wireless card is turned on.

A user purchases a wireless printer and sets it up in an office. The user installs all necessary software for the printer on the computer and connects the printer to the guest wireless network. However, when the user attempts to print to the printer, nothing happens. Which of the following will resolve the issue?

Connect the printer to the company wireless network.

A technician is troubleshooting what appears to be a RAM issue on a PC. Which of the following symptoms would indicate if this is a RAM issue?

Continuous reboots

A user is unable to access websites and has reported connectivity issues with pop-ups on the screen. A technician removes malware, and then is able to ping the router and access the websites. Which of the following NEXT steps should the technician perform in troubleshooting this issue? (Choose two.)

Document findings, actions, and outcomes/Run a virus scan

A business owner wants to provide security to laptop users with the ability to charge their devices, access corporate LAN resources, and allow for a variety of other removable hardware. Which of the following devices would BEST meet the owner's needs?

Docking station

A technician is replacing a broken screen on a new company laptop but does not have repair information from the vendor. Which of the following is the BEST way to proceed?

Document and label the cable and screw locations.

A user wants to print a large job on both the front and back sides of the paper. Which of the following settings should the technician advise the user to change in the printer settings?

Duplex

A technician is setting up a new wireless network at a branch office that previously had only wired connectivity with statically assigned IP addresses. After setting up the network, the technician configures a server to provide IP addresses to wireless clients. During testing, the technician is unable to access the Internet or named network resources. The technician receives a valid IP address from the DHCP server and can ping the default gateway. Which of the following should be technician check NEXT to resolve this issue?

Ensure the options are configured to provide a DNS server.

Which of the following cable types should be used to connect a cable modem to a SOHO router?

Ethernet

A customer wants to purchase a new home computer. The machine will mainly be used for Internet browsing and streaming video, except on weekends when the customer's son will use it to play games with friends. Which of the following should the technician focus on to meet these requirements? (Choose two.)

Four-core processor/16GB DDR2 memory

Several company users are frequently forgetting passwords for their mobile devices and applications. Which of the following should the systems administrator do to reduce the number of help desk tickets submitted?

Implement single sign-on.

A user reports that printing on heavy cardstock paper results in the image smearing if touched. When printing on plain paper, the problem does not occur. Which of the following would be the NEXT troubleshooting step to perform?

Increase the fuser temperature.

A technician is troubleshooting a laptop/projector combination that is displaying artifacts on the screen. When a different laptop is connected to the projector, the image appears to be correct but is very dim. Which of the following steps should the technician take to address these issues? (Choose two.)

Increase the projector contrast/Change the aspect ratio on the projector.

A technician is determining the specifications for a desktop computer that will be used at trade shows all over the world. The computer will have the maximum amount of RAM. The CPU, GPU, and storage will be typical of a business workstation. Which of the following system parameters is the MOST important for the technician to consider when choosing a power supply?

Input voltage

A customer's laptop display has suddenly become very dim. The image of the display can only be seen with a bright, external light, as adjusting the brightness/contrast controls does not cause much change. Which of the following components MOST likely needs to be replaced?

Inverter

Joe, a user, has purchased a new mobile device that uses a different OS than his previous one. Joe wants to copy his contacts and appointments from his corporate account without entering them manually. Which of the following would be the BEST way for a technician to assist Joe?

Log into the same email provider on the new device, and restore the contacts and dates.

A user's laptop is shutting down unexpectedly. The technician discovers the shutdowns only happen when the laptop is moved from one room to another. The technician reseated the hard drive, memory, battery, and LCD cable, but the laptop continues to shut down. Which of the following is the MOST probable cause of the issue?

Loose battery connection

A client has three locations within city limits that need to be networked. Vendor network requirements for all three locations are a minimum of 1GB. Which of the following are the types of networks that will MOST likely be used for internal office and office-to-office networking? (Choose two.)

MAN/LAN

During an inspection, it was found that data racks were not properly grounded. To pass the inspection and address a growing concern to protect data cabling and equipment, a technician must make sure all racks are properly grounded. Which of the following tools should the technician use to verify this has been completed?

Multimeter

A technician was called to check an unexpected clicking noise on a desktop that has become more frequent every time a video editing application is loaded. The system fans have been replaced, but the clicking noise remains. Diagnostics have been run on the video card. Which of the following should the technician do FIRST?

Perform a full data backup.

Which of the following terminates a coaxial cable?

RG-59

Which of the following cloud computing concepts allows scalable services to be provided to the client?

Rapid elasticity

A user accidentally spills liquid on a laptop. The user wants the device to be fixed and would like to know how much it will cost. Which of the following steps should the technician take NEXT to verify if the device is repairable before committing to a price? (Choose two.)

Remove the case and organize the parts/Document the screw locations

A customer asks a technician to help set up a specialized computing system for video editing. Which of the following should the technician install on the workstation to BEST meet the customer's specifications? (Choose two.)

SSD/Dual monitors

An end user has signed up to use a web-based calendar application. Which of the following solutions has the user purchased?

SaaS

Ann, an accountant, reports that after turning on her new laptop, she received a message stating her IP address is already in use on the system. She tried going back to her old desktop, which she now only uses for email, but received the same message. The technician checks the account and sees a comment that Ann requires a special network setup to connect to the banking software. Which of the following should the technician do to resolve the issue?

Set the laptop configuration to DHCP to prevent conflicts.

An associate is seeking advice on which device to purchase for a friend who is a business owner. The friend needs the ability to chart activity while keeping in contact with the home office. Which of the following would be the BEST recommendation?

Smart watch

A technician has noticed that when at company headquarters the laptop connection to the Internet is more responsive than when using the company-provided phone as a hotspot. The technician updated the drivers on the WiFi NIC without resolution and then verified the configuration on the WiFi was correct. Which of the following configurations could cause the decreased performance?

The connection is throttled.

Which of the following charging and data ports has a non-directional connector?

USB-C

A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices getting hacked. Which of the following BEST address the customer's concerns? (Choose two.)

Use the latest encryption standard on the wireless network and set a strong password/Separate the IoT thermostat by segregating it in a DMZ network.

Ann, a user, needs to attend several day-long conferences and wants to ensure her mobile device will have enough power for these events. She is concerned about wall outlet availability at the conferences and needs to continuously use her device for important updates. Which of the following should a technician recommend to BEST accommodate Ann's needs?

Wireless charging pad