Which type of communication is an HDMI port and cable designed to transmit?

A technician is dispatched to troubleshoot a user's computer. After performing diagnostics, the technician determines that drive thrashing is occurring. What are the factors that can affect this? (Choose all that apply.)

You administer computers on an Ethernet 100BaseTX network, which uses the TCP/IP network communications protocol. The network uses an unsubnetted Class A IP address range. A computer on the network named Admin1 has the IP address 12.10.100.3, and a computer on the network named Marketing1 is configured with the IP address 12.10.100.4. Both computers are configured with the subnet mask 255.0.0.0 and the default gateway address 12.10.100.5.

The network is connected to the Internet. RemoteWkst is a computer on a remote network that is connected to the Internet. Normally, Marketing1 and Admin1 can connect to RemoteWkst.

You recently discovered that Marketing1 can connect to Admin1, and Admin1 can connect to Marketing1, but neither of these computers can connect to RemoteWkst. You suspect that there is a problem with one of the routers between RemoteWkst and the network you administer.

Which TCP/IP utility should you use to troubleshoot this connectivity problem?

You need to synchronize your mobile device data with your desktop computer. For security reasons, your organization prohibits syncing devices over wireless connections or the Internet. Which connection(s) could you use to perform the synchronization?

A department manager reports that one of her department's printers is printing fuzzy or low-quality print. Which conditions contribute to this problem (Choose two.)

You are clearing the IT technician workspace for your company of any old or obsolete hardware. You have found several different types of RAM, including modules that use 168 pins. Which type of computer memory module uses 168 pins?

Susan called the help desk to ask about which type of BIOS password she should configure to restrict access to the BIOS setup program. Which password type would you explain?

You are checking connectivity between two devices using the ping command. You want the ping command to continue sending messages until interrupted. Which parameter of the ping command should you use?

Uses ICMP to test connectivity between two devices

Displays the TCP/IP configuration of a device. You should be familiar with its switches, including the /all, /release, /registerdns, /renew, and /flushdns switches. The ifconfig is the Unix/Linux equivalent of ipconfig.

Traces the path a packet traverses through a network. It displays the name and IP address of every single device through which the packet passes

Displays what ports are listening on a TCP/IP device

Displays NetBIOS information

A powerful Windows command. The net use subcommand allows you to view what is currently shared. Research the various ways you can use the net command.

Joins a computer to a Windows domain, manages computer accounts on a Windows domain, and establishes trust relationships between Windows domains. It is available by default with Windows 8 and later.

Queries the Domain Name System (DNS) to obtain domain name or IP address mapping or for any other specific DNS record.

A manager in your company has read about the memory effect and notebook computers. You are explaining to him how the memory effect works. Which component is affected by memory effect?

This is most often caused when the display is dimmed via the controls or when the display has been sent to the external device. Try changing the screen dimness, or use the appropriate function key to cycle through the different display options. If neither of these solutions fixes the problem, you could have a failed backlight or inverter, which are both internal components that will need to be replaced to troubleshoot the problem. For an iPhone or iPad that has dimmed or turned black, you should press and hold down the Sleep/Wake button and the Home button simultaneously for at least 10 seconds. This should soon display the Apple logo on the black background. For Android tablets and smartphones, you must take off the back cover, reseat your battery, and then charge your phone for a few hours. However, just like the blue screen of death on PC-based devices, Android can have the same issue. If this is the case, you will have to remove the SIM card and battery and leave them out for 5–10 seconds. At this point, you need to charge the battery, as well. Finally, sometimes you may have to perform a hardware factory reset. This process will permanently remove the customer's data from the device. Make sure to back up all personal data to a computer or to the cloud. To perform a hardware factory reset, you would press and hold the Volume Up, Power, and Home keys simultaneously and select Factory reset/wipe data using the volume keys. Then you would press the Power key to start the hardware factory reset.

This is most often caused when the display is dimmed. Change the screen dimness to see if this fixes the problem. Also, you may need to check the switch on the laptop that tells the system that the lid is closed. If neither of these solutions resolves the problem, either the backlight or inverter could be the cause. Replace each of these components to troubleshoot the issue. Smartphones and tablets have dim screen controls in the Settings menu. On an iPhone, you can swipe up the Control Center and change the display. Android devices have apps you can download for free, such as Screen Dimmer. The dimmer feature is a great way to change the brightness of your screen and save your battery.

This is usually caused by an incorrect video driver or low screen refresh rate. Update the driver first. If this does not resolve the problem, consult the display device manufacturer's documentation for the appropriate refresh rate. Finally, flickering can be caused by loose or bad connections. Check the internal connections for the display if none of the other solutions works.

Dust accumulation can cause keys to stick. In addition, most keys have a spring that can wear out. First, you should try to blow out the keyboard using compressed air. It may also be necessary to clean the individual keys. In some laptops, keys can be detached for individual cleaning. Be careful when detaching individual keys because this can damage keyboard components. If this does not fix the problem, replace the integrated keyboard or purchase an external keyboard. Spilled liquids are most often the cause of sticking keys.

This is usually caused by radio frequency interference (RFI). Research the wireless network environment. Try to minimize the obstructions between the laptop and the wireless access point. For example, microwaves and cordless phones can interrupt the flow or signal and cause disturbances to your flow and connection, so do not place routers near those types of electronics. Also, research the particular frequency in use on your wireless network to discover if you have deployed any devices that could be causing the problem. You may need to increase the signal strength on the wireless access point. Finally, the problem could be with the internal wireless card. Check the internal cable connections for the wireless card if none of the other troubleshooting techniques has solved the problem.

If the battery will no longer charge properly, you should totally drain the battery's power to eliminate the memory effect. If this does not solve the problem, replace the battery with a new one. However, the A+ number one rule is to always check the connection, so make sure that your plug snuggly fits on the charging device. Loose or disconnected cables can be frustrating, so do not eliminate that step when troubleshooting.

This usually occurs when the track pad is too sensitive. You can change the sensitivity settings to see if this fixes the problem. If the problem still exists, you should try installing the latest driver for the touch pad. Finally, you could disable the touch pad and connect an external mouse. You can also search Google for the Phantom Cursor to troubleshoot various devices.

This is usually caused when you are no longer connected to an external power source and the battery has been depleted. Make sure that the laptop is plugged in to a functional external power source. Plug the laptop into a power source and allow the battery to recharge. You may also want to reconfigure the power settings to ensure that certain devices are not enabled when you are working using battery.

To enable or disable the number lock function, you may need to press a single Num Lock key or use a function key combination. Read the laptop vendor's documentation to learn the appropriate way to enable and disable the number lock function. If the Num Lock key is disabled, you will notice that the cursor moves around when you use the number keys instead of numbers being entered on the screen. If your keyboard has calculator type keys built in, you will need to enable Num Lock to use the calculator as desired.

This is usually caused when the wireless device has been disabled. Read the laptop vendor's documentation to learn the appropriate function key combination that can be used to enable/disable wireless. The device can also be disabled in Device Manager. If neither of these solutions fixes the problem, you should check the wireless card to make sure that it is seated properly and attached to the antenna. Replacing the wireless card or antenna may be necessary. For most mobile devices, you simply need to make sure that Wi-Fi is enabled or turned on. You also may need to make sure that Airplane Mode is turned off. Airplane Mode disables several features, including WiFi.

This is usually caused when Bluetooth has been disabled. Read the laptop vendor's documentation to learn the appropriate function key combination that can be used to enable/disable Bluetooth. If this does not fix the problem, you should check the wireless card to make sure that it is seated properly and attached to the antenna. Replacing the wireless card or antenna may be necessary. For mobile devices, you probably only need to make sure that Bluetooth is enabled. As with Wi-Fi, Airplane Mode disables Bluetooth on most devices.

This is most often caused when the display has been sent to the internal. Use the appropriate function key to cycle through the different display options. If this does not fix the problem, you should check the cabling to the external monitor. For some displays, you will also need to make sure that that display device itself is set to the appropriate source.

First, you should make sure that your app and the device operating system is updated. Next, ensure that your firewall isn't configured to block the app. You could then synchronize the license for the app. As a last resort, try removing and reinstalling the app.

This is usually caused by too many apps running in the background. Stop any unneeded apps from running. If this does not resolve your issue, reboot the device. Finally, it could be that the drive in your device is reaching its storage capacity. If that is the case, you will need to remove some data and/or apps and possibly back up unused files to an external backup device, like a server or an external hard drive.

This is usually caused by a missing or expired key or certificate. Make sure the appropriate key or certificate is installed. It may be necessary to restore them from backup. It also could be that the device is configured to not allow encrypted email. If this is the case, then you need to enable encrypted email.

Always try completely draining and recharging the battery first. If the battery continues to only have a short life, you need to replace the battery. For mobile devices, you may try changing battery settings through the Control Panel or Settings.

If your mobile device overheats, try removing the protective case that you have it in. Other solutions are to remove the device from direct sunlight, shut down apps you are not using, or buy a glare screen and turn down the brightness. Finally, turn your mobile device off or put it in Airplane Mode when not in use.

First, try plugging the mobile device into a power supply. Then you should try to power down or restart the device the normal way. If that is not possible, then remove the battery for a few seconds. Next, you should delete the app that is causing the device to freeze. As a last resort, reset the device to the factory defaults. For an Apple mobile device, another possible solution is to restore the device using iTunes. You can also consult the manufacturer's website or device documentation on how to reset the device.

This is most often caused by the sound being muted or the device being in silent or vibrate mode. If that does not fix the problem, try adjusting the volume. As a last resort, reboot the device. If you are using Bluetooth speakers, remove the device through Settings, re-add the speakers, and resync.

First, you should ensure that the GPS function is enabled. If that is not the problem, reboot the device. Then try turning location services off and then back on. Finally, you could perform a GPS reset.

Swollen batteries are an explosion or leaking hazard and should be replaced immediately. Swollen batteries are usually found in devices like laptops and mobile devices that use lithium batteries. Batteries can become swollen due to manufacturing defects or by not using the right charger. Lithium-ion batteries do not like to be overcharged because there is no place for the gasses in the overheated cells to go. The overheated batteries expand, swell, and appear warped. Always replace swollen batteries.

Susan needs to replace the CPU in her laptop computer. She has asked you for recommendations. What would you recommend she do before she begins the process?