Intro to I.T. midterm
You are a first line desktop support technician. A user reports that he cannot access several network files. After some investigation, you determine that the problem is with a network server. Which of the following actions should be performed NEXT? Create an action plan. Determine if escalation is needed. Fix the problem. Document the problem
Determine if escalation is needed.
Which function does a motherboard's chipset perform? Maintains an accurate system time and date. Controls devices and functions attached to the motherboard. Facilitates communication between the processor, memory, and peripheral devices. Initializes devices during the boot process.
Facilitates communication between the processor, memory, and peripheral devices.
Lately, you hear a clicking noise when reading or writing data from the hard disk. What is the most likely cause of the clicking? Bad memory Failing hard drive Overheated CPU Failed UPS
Failing hard drive
You are setting up a small network in your office with one Windows server and 50 Windows workstations. You want to spend as little time as possible configuring the workstations with IP addressing information. What should you do? Install the WINS service on your server. Install and configure the DHCP service on your server. Install the DHCP service on each workstation. Assign each user an IP address and instruct the user to enter the IP address in his or her computer
Install and configure the DHCP service on your server.
You have three computers in your office. You would like to reduce the time it takes to move from one computer to the next, and you would like to use only one keyboard, one monitor, and one mouse for all three computers. Which of the following devices BEST allows this type of setup? DVI KVM Router USB hub
KVM
You have just received an order of various system components from an order you placed several weeks ago. One of the components is labeled as SODIMM memory. For which of the following was this memory MOST likely purchased? Desktop workstations Servers Printers Laptop computers
Laptop computers
Match the network types on the left with the descriptions on the right. Each network type may be used once, more than once, or not at all. A network in a small geographic area that typically uses wires to connect systems together. A small network used for connecting devices, such as a notebook computer, a wireless headset, a wireless printer, and a smartphone. A network that is typically owned and managed by a city as a public utility. A group of networks that are geographically isolated, but are connected to form a large internetwork. Similar to a standard LAN, but uses radio signals instead of wires to connect systems together. A network that covers an area as small as a few city blocks to as large as an entire city. A set of subnets connected to each other, typically by wires, using at least one router.
Local Area Network Personal Area Network (PAN) Metropolitan Area Network (MAN) Wide Area Network Wireless Local Area Metropolitan Area Network (MAN) Local Area Network (LAN)
Your workstation is unable to communicate with any other computer on the network. Which of the following tools should you use to test the network card's abilities to send and receive signals? Ohmmeter Multimeter Cable tester Loopback plug
Loopback plug
Which of the following features are typically available through TRS ports on a sound card? (Select TWO). HDMI audio Microphone in Speaker out S/PDIF audio IEEE 1394
Microphone in Speaker out
A company is purchasing new laptops for their graphic artist division. Which of the following display technologies provides better contrast and deeper blacks, resulting in better picture quality? DLP Plasma OLED LCD
OLED
You have a computer with a single hard disk configured as a basic disk with a single partition formatted with NTFS. The computer runs Windows 10. The disk has run out of space. You need to add space to the disk. You install a new hard drive and start Disk Management. Which of the following is a required task to add space to the existing volume? Create an empty folder on the new hard disk. Upgrade both disks to dynamic. Extend the C:\ volume. On the new hard disk, create a new partition without a drive letter.
On the new hard disk, create a new partition without a drive letter.
Which of the following is the term used for a set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware? Driver Operating system Kernel Utilities Command line
Operating system
After using your LCD monitor for about three months, you notice a small black dot in one area of the screen. Regardless of what is shown on the monitor, the dot remains the same color and in the same location. Which of the following is the BEST method for removing the black dot from the monitor? Apply pointed pressure and rub the dead pixel. Purchase a new monitor. Apply a heated cloth enclosed in a bag to the dead pixel. Play a video designed to fix dead pixels.
Play a video designed to fix dead pixels.
A technician is running a network above a dropped ceiling that is also used for ventilation. The cable must be twisted pair and must be capable of Gigabit Ethernet speeds. Which of the following cables should be used? Plenum-rated CAT-6a Riser-rated CAT-5e Plenum-rated multimode fiber Riser-rated RG-58
Plenum-rated CAT-6a
Which of the following will help reduce the threat of static discharge when working on computer hardware? (Select TWO.) Reduce the humidity in the room to around 30%. Leave the system plugged into a grounded wall outlet. Remain in physical contact with the server chassis at all times. Store unused components in static shielding bags. Place your hardware on an insulating layer of 1/4 inch Styrofoam. Touch the leads on the PC components with your finger to dissipate any static charge.
Remain in physical contact with the server chassis at all times. Store unused components in static shielding bags
You have a system that has been overheating. Which of the following actions will NOT help to keep the system cool? Adding thermal paste or a thermal pad between the CPU and the heat sink. Removing the case side panel. Installing heat spreaders and heat sinks on internal components. Cleaning off the inside of the computer case. Installing a water cooling system
Removing the case side panel.
On Windows 10, using Storage Spaces eliminates the need for which of the following tasks? (Select TWO). Repartitioning drives Formatting hard drives Using Disk Cleanup Running defragmentation Resizing volumes Creating RAID arrays
Repartitioning drives Resizing volumes
You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multimeter. You connect the positive lead to the yellow wire on one of the Molex connectors. Which of the following BEST describes the action you should take based on the multimeter reading shown below? _____________________________________________________ [UBT - 1] UT52 Multimeter 10.24 *little lightning bolt* _____________________________________________________ Switch the voltage selector on the back of the power supply to 230 volts AC. Continue using the power supply until the voltage on the yellow wire drops to less than 9 volts. Replace the power supply because it is failing. Keep using the power supply, but stop using that particular Molex connector.
Replace the power supply because it is failing.
Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected? Switch Hub Router Network adapter
Switch
77 is yet again another lab, no help here. :'(
Take a guess, I guess?
Which of the following tools allow remote server management? (Select TWO.) LDAP FTP POP3 Telnet SSH
Telnet SSH
When you try to boot your computer, it hangs after POST. When you access the UEFI setup program, you see that the date is several years behind, and the time is set to 12:01 a.m. Which of the following is the MOST likely cause of this behavior? The UEFI firmware is corrupt. A RAM module has become unseated from its socket. The motherboard battery has failed. The UEFI firmware is outdated
The motherboard battery has failed.
Your company has decided to use only SATA drives in their systems. Which of the following is true of MOST newer SATA drives? They can be added to or removed from a system without shutting down the computer. They can be added to or removed from a system without shutting down the computer, but they must be enabled from Device Manager. They can be plugged into a system without shutting down the computer, but not removed without shutting down. After you install the latest driver from Device Manager, they can be added to or removed from a system without shutting down the computer.
They can be added to or removed from a system without shutting down the computer.
Which of the following is considered an input device? Monitor RAM Touchscreen Hard disk
Touchscreen
You need to replace the power supply in your home desktop computer. Which of the following specifications are the most likely to affect your power supply choice? (Select THREE). Type and number of connectors Output voltage Form factor Output wattage Input voltage
Type and number of connectors Form factor Output wattage
Your motherboard has two memory slots and supports a maximum of 8 GB of RAM. You are using a 32-bit version of Windows. After installing two 4 GB modules and booting your system, you find that Windows only recognizes 3.5 GB of RAM. Which of the following would MOST likely fix this issue? Make sure that both modules are seated properly in their slots. Reboot the computer and run memory diagnostic tests on the memory. Return both modules for a replacement. Upgrade to a 64-bit version of Windows. Change the memory timings in the BIOS to a slower (higher) setting.
Upgrade to a 64-bit version of Windows.
You are an IT technician for your company. One of your employees has a computer that continually reboots when it is powered on. He has asked you to fix it. You suspect that the power supply may be failing. Which of the following is the BEST way to determine whether the power supply is causing the reboots? Listen for POST code beeps to determine the error's cause. Verify that the fan on the power supply is spinning. Replace the power supply. Use a multimeter to test the power supply.
Use a multimeter to test the power supply.
You work as the IT administrator for a small corporate network. One of the company employees needs to add an additional PCI card to the motherboard. When you open the computer, you see that the card purchased will not fit due to the card's height. Which of the following is the BEST method for using the newly purchased card? Use an expanded case to accommodate the height of the newly purchased card. Use a riser card to allow the new card to be installed parallel to the motherboard. Use a parallel card to allow the new card to be installed parallel to the motherboard. Use a firewire card to allow the new card to be installed parallel to the motherboard.
Use a riser card to allow the new card to be installed parallel to the motherboard.
You need to connect a monitor that provides an HDMI port and a VGA port to a video adapter in a PC system that uses a DVI-D connector. Which of the following options would provide the BEST display quality at the lowest cost? Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC. It's not possible to connect this monitor to this PC. Purchase a new monitor with a DVI-D port. Use an adapter to connect the monitor VGA port to the DVI-D connector on the PC
Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.
Which component of Windows prompts the user for credentials or permissions to minimize the dangers of unintended software installations? Firewall with Advanced Security User Account Control (UAC) Defender Firewal
User Account Control (UAC)
Which of the following is most helpful in keeping a computer cool? (Select TWO). Install a thermostat in the fan circuit. Use a high-wattage power supply. Remove a slot cover from the back of the computer. Vacuum dust from the system regularly. Verify that cooling fans are not circulating air in the wrong directions
Vacuum dust from the system regularly. Verify that cooling fans are not circulating air in the wrong directions
Question 11 is a lab
sorry :(
76 is sadly a lab also, no answer this time :(
sorry champ.
Your network follows the 1000Base-T specifications for Gigabit Ethernet. Which of the following is the MAXIMUM cable segment length allowed? 100 meters 412 meters 500 meters 1,000 meters 2,000 meters
100 meters
Which of the following are valid IPv6 addresses? (Select TWO.) A82:5B67:7700:AH0A:446A:779F:FFE3:0091 141:0:0:0:15:0:0:1 343F:1EEE:ACDD:2034:1FF3:5012 165.15.78.53.100.1 6384:1319:7700:7631:446A:5511:8940:2552
141:0:0:0:15:0:0:1 6384:1319:7700:7631:446A:5511:8940:2552
Which of the following are valid IP addresses? (Select TWO.) 172.16.1.26 256.0.0.1 192.168.1.512 1.254.1.1024 254.7.1.417 2.2.2.2 10.384.0.3
172.16.1.26 2.2.2.2
Click the View Lab button and use the lab interface to find the answers to the following questions. What is the IPv4 address of the workstation? What is the subnet mask? What is the default gateway address? What is the address of the first DNS server that the workstation will use for name resolution? How did the computer get its IP configuration information?
192.168.0.35 255.255.255.0 192.168.0.5 192.168.0.11 [IMPORTANT INFO] You can use the ipconfig command to find the IP address and subnet mask. You will need to use ipconfig /all to find the default gateway, DNS server, and DHCP server addresses. Because the DHCP server line has a value, this computer got its configuration information from a DHCP server.
While making an online bank transaction, a customer checks to see that the web browser is displaying a lock icon that indicates that an encrypted TCP/IP suite protocol is being used. Which of the following TCP/IP port numbers does this protocol typically use when the browser encrypts its communications with the bank's web server? 25 80 143 443
443
You want to build a new system that supports 6 GB of memory. Which of the following will be the MOST important consideration when building the computer? Triple channel memory support DDR3 memory ECC memory 64-bit processor
64-bit processor
This was the question with various towers, ill just give a description since I cant post a picture. >:(
A - Mini-ITX Tower, looking like a gamecube B - Micro-ATX Slim Tower, looks like a wii C - Micro -ATX Tower, looks sort of like a mini fridge D - ATX-Midtower, looks like a regular computer. E - ATX full tower, looks like a slightly larger regular computer with four drives on the top instead of two.
A technician is tasked with preparing a conference room so that at least 20 guests will be able to wirelessly connect laptop computers to the company network. Which of the following network devices would be the BEST choice for this connectivity? Router Firewall Access point Switch
Access point
While on a service call at a customer site, you are discussing the problem with the customer when your cell phone rings. You check the caller ID, and you see that the call is related to parts you ordered for another customer. Which of the following is the MOST professional way to handle the situation? Answer the phone and say, "I'm busy right now. I'll call you right back." Immediately answer the phone and try to finish the call as fast as you can. Ask the customer if it is okay to take the call, and then step into the hallway to briefly talk on the phone. Ignore the phone and let it continue ringing until the caller reaches your voicemail
Ask the customer if it is okay to take the call, and then step into the hallway to briefly talk on the phone.
A technician is tasked with installing the Windows OS on a Mac OS computer so that the computer can boot to either the Mac OS or the Windows OS. Which Mac OS feature should the technician use to complete this task? Finder Boot Camp Disk Utility Key Chain
Boot Camp
There are six buttons [Events][_________][Power Management] [General][_________][___________] choose the last button on the bottom row, bottom right corner
Bottom right button
Brian is a new employee on the development team. As part of his job, he runs three virtual machines (VMs) on his computer. Each VM runs a different Windows license. After a while, Brian notices that his VMs are not running as fast as he thought. He has asked you to explore the issue. Which of the following BEST describes why Brian's VMs are running slowly? Brian's computer has a single-core CPU configured to use hyper-threading. Brian's computer has a single dual-core CPU containing two central processing units. Brian's computer has a quad-core processor, but hyper-threading has not been configured. Brian's computer has two physical CPUs, but hyper-threading has not been configured.
Brian's computer has a single-core CPU configured to use hyper-threading.
Which of the following is a general term for the program that holds system information related to computer startup? CMOS UEFI DRAM Cache memory
CMOS
Match each of the motherboard components on the left with the appropriate description on the right. Each component is used once. Maintains an accurate system time and date, even when the power is off. Allows additional features and capabilities to be added to the motherboard. Houses the PCI bus controllers and communicates with the super I/O controller. Contains firmware that is used to configure motherboard settings and initialize devices. Controls communication between the CPU, memory, and high-speed graphics bus. Stores custom configuration settings made by the user.
CMOS battery Expansion slots Southbridge Flash memory Northbridge Non-volatile BIOS memory
What is the correct order for installing a processor for proper cooling? Thermal paste, CPU, heat sink, fan CPU, thermal paste, heat sink, fan CPU, heat sink, thermal paste, fan Heat sink, CPU, thermal paste, fan
CPU, thermal paste, heat sink, fan
The 802.11ac wireless networking standard provides increased bandwidth and communication speeds by using which of the following technologies? (Select TWO). Dual band transmission to allow data to be transmitted at two frequencies at the same time. Peer-to-peer mode to allow each host to communicate directly with other hosts. Channel bonding to combine more channels in the 5 GHz band to allow for up to 160-MHz-wide channels. MU-MIMO to allow multiple users to use the same channel. OFDM modulation to allow several parallel data channels to stream data.
Channel bonding to combine more channels in the 5 GHz band to allow for up to 160-MHz-wide channels. MU-MIMO to allow multiple users to use the same channel.
You would like to install Windows on a computer that previously had another operating system installed on it, but you are not sure if the audio card is compatible. The installed audio card is a SoundMax D1371 (PCI) card. Which of the following BEST describes the next step you should perform? View the device manager and check the current driver details. Change from a PCI card to USB. Check the manufacturer website for compatibility information. Use a card known to be compatible with Windows.
Check the manufacturer website for compatibility information.
A customer complains that a recently purchased monitor no longer displays a picture. You verify that the monitor is powered on and that the video cable is securely fastened to the video port. Which of the following actions is the BEST to take next? Check the monitor's brightness and contrast settings using the controls on the monitor. Return the monitor to the manufacturer. Open the computer and switch the video card to a different slot. Unload then reload the video card's software driver.
Check the monitor's brightness and contrast settings using the controls on the monitor.
You work as the IT administrator for a small news station. Jill, an employee in building 2, works in the audio/video editing department and would like to increase her productivity. For example, she would like to be able to run multiple programs simultaneously and be able to compare video clips side-byside. Which of the following configuration changes would provide the BEST solution for Jill? Configure Jill's computer to have dual monitors. Provide Jill with a second computer. Configure Jill's computer with a higher resolution. Grant Jill access to a remote workstation.
Configure Jill's computer to have dual monitors
Which of the following methods can be used to connect a printer to a network? (Select TWO.) Connect your printer to an external print server device that is connected to the network. Plug a USB-to-Ethernet adapter in your printer's USB port. Plug an Ethernet cable into the network port in the printer. Plug a network cable into your printer's serial port. Plug a network cable into your printer's USB port
Connect your printer to an external print server device that is connected to the network. Plug an Ethernet cable into the network port in the printer.
This is the one with several memory modules.. really wish pictures were free. Ill just put it in the right order.
DDR DIMM DDR3 DIMM DDR4 DIMM DDR2 DIMM 200-pin SODIMM 144-pin SODIMM UniDIMM
After several new computers are connected to a network device, every computer connected to the device begins to experience slow transfer speeds. Which of the following is the FIRST step in troubleshooting this problem? Use a cable tester to determine whether all cables between each computer and the device are good. Use a loopback plug to determine whether each port on the network device is good. Determine whether the network device is a hub or a switch. Use a loopback plug to determine whether the NIC in each computer is good.
Determine whether the network device is a hub or a switch.
As a member of the help desk administration team, you've been assigned to update the driver for the network adapter that is installed on most of the machines in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility will allow you to manually update this new driver? Network and Sharing Center Device Manager Driver Manager Internet Properties
Device Manager
You are attempting to boot a new system. The boot fails, and the system sounds a beep code. Which of the following describes the MOST likely cause of this error? Either no memory is installed or the memory was not detected. Either a card/memory module is not seated properly or the system includes unsupported memory. The POST failed to recognize all of the memory. The new memory is not compatible and was not installed and configured properly.
Either no memory is installed or the memory was not detected.
Since it has no moving parts, a CPU will usually work properly for several years. Which of the following is a common factor that MIGHT cause a CPU to fail prematurely? Magnetic field High CPU usage Electrostatic discharge (ESD) Electromagnetic interference Unsupported memory modules
Electrostatic discharge (ESD)
u want to use Hibernation on your Windows notebook. What does it need to have? Enough free hard drive space A minimum of 1 GB of RAM A Pentium IV or better processor UPS
Enough free hard drive space
You have just purchased a new USB drive that you want to use to troubleshoot the computers in your company as well as other network devices, such as printers and projectors. You need to format this new drive with a file system that will be recognized and used on all devices. When formatting your USB drive, which of the following file system types would meet MOST, if not all, of your needs? CDFS NTFS NFS FAT32
FAT32
A customer wants to add an additional video card to her computer so she can play the latest computer games. As a result, this system will now have a multi-GPU configuration. Which of the following statements are true? (Select TWO). An SLI video card can be linked with a CrossFire video card. Linking video cards also provides additional video output ports. Linking only shares memory resources, not GPU resources. For the best performance, both video cards should be identical. The motherboard should support either SLI or CrossFire.
For the best performance, both video cards should be identical. The motherboard should support either SLI or CrossFire.
Question 39 shows a picture of various cords. and since I do not want to pay to upload a png from my own computer heres how it goes.
G - External storage device, looks like a USB D - Analog monitor, looks blue with 15 metal points in the center C - Video camera, think small usb with three curves A - HDTV, looks like an outlet for an HDMI cord H - Dial-up modem, think like a smaller version of an Ethernet cable E - Digital monitor (without audio), rectangle like outlet with 18 metal points and one long point at the top F - Network adapter, this looks like a regular Ethernet cable B - Headphones, looks like an aux cable ending
You need a storage device that has very large storage capacity, is fast, and is relatively inexpensive. Which storage device will best suit your needs? Optical SSD Hard disk USB flash drive
Hard disk
While you are answering help desk calls, a field customer calls and complains that he cannot print to a workgroup laser printer. Which of the following should be the first question you ask? Have you rebooted the printer? Have you checked the cables? Have you ever printed to that printer? Have you rebooted and chosen safe mode?
Have you ever printed to that printer?
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents? Switch Bridge Hub Router Gateway
Hub
Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select TWO.) Immunity to electromagnetic interference Greater cable distances without a repeater Faster installation Lower installation cost Increased flexibility
Immunity to electromagnetic interference Greater cable distances without a repeater
Match the disk status on the left with the corresponding description on the right. Each status may be used once, more than once, or not at all. Shows while a disk is being converted from a basic disk to a dynamic disk. Indicates that the disk is turned on and can be accessed and the volume on the disk is valid and has no errors. Indicates that errors have occurred on physical or dynamic disks. Shows when a dynamic disk has been removed or turned off.
Initializing Healthy Unavailable Offline
You need to connect a new USB scanner to the USB port on your computer. However, the first time you plugged the scanner in, it was not recognized. What should you do? Connect the scanner to the USB port. Connect the scanner to the USB port. Complete the Add a Device wizard, which includes installing the drivers. Start the Add a Device wizard and then connect the scanner to the USB port. Install the scanner drivers and then connect the scanner to the USB port and complete the Add a Device wizard when it pops up.
Install the scanner drivers and then connect the scanner to the USB port and complete the Add a Device wizard when it pops up.
This question includes a lab to help you answer the question. Restart the computer and press the F2 or Delete key on your keyboard to enter the BIOS setup program. Explore the current BIOS settings to find the answers to the following questions What brand of processor is installed? How much memory is installed in the computer? What is the BIOS version number? How many hard drives are installed? What is the status of the integrated NIC? What is the current status of the USB 3.0 controller?
Intel 4096 MB 3 Enabled Enabled
Which of the following device types should be plugged into a surge-protected-only outlet on a UPS unit, and not a battery backup outlet? Inkjet printer Laser printer External hard disk drive Secondary LCD monitor
Laser printer
You are in the process of preparing a storage device and must determine which file system to use. Which of the following BEST describes the advantage of using the exFAT file system rather than NTFS? Support for volumes over 32 GB Support for files over 4 GB Lower memory and processor resource use Access control lists and permissions
Lower memory and processor resource use
Which of the following are advantages of solid state storage compared to hard drives? (Select TWO.) Inexpensive Lower power requirements No moving parts Larger storage capacity Proprietary disk interface
Lower power requirements No moving parts
You have a network that uses a logical bus topology. How do messages travel through the network? Messages travel from one device to the next until they reach the destination device. Messages are sent to a central device, which then forwards the message to the destination device. Messages are broadcast to all devices connected to the network. Messages are sent directly to the correct destination device.
Messages are broadcast to all devices connected to the network.
Which of the following is a 172-pin DIMM often used in laptops? MacroDIMM MicroDIMM DIMM+ TinyDIMM
MicroDIMM
Arrange the standard change order form information on the left in its standard presentation order on the right. (Not every answer will be used.) Purpose of the change Scope of the change Plan for the change Risk analysis Backout plan Explanation of changes already made
Purpose of the change Scope of the change Plan for the change Risk analysis Backout plan
Due to a blackout, power is no longer coming from the wall outlet, and your computer is now off. You do not have a UPS, and you need to remove a disc out of the DVD drive. What is the easiest method for retrieving the disc? Remove the drive and carefully pry open the tray. Add a UPS between the wall outlet and the computer. Press the drive's eject button while pressing the computer's restart button. Push an unbent paper clip into the hole on the front of the drive.
Push an unbent paper clip into the hole on the front of the drive.
One of your customers wants you to build a personal server that he can use in his home. One of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. You have decided to back up his data using RAID. Since this server is for personal use only, the customer wants to keep costs down. Therefore, he would like to keep the number of drives to a minimum. Which of the following RAID systems would BEST meet the customer's specifications? RAID 0 RAID 1 RAID 5 RAID 10
RAID 1
There are critical times when memory problems often manifest themselves. Match each critical time on the left with the corresponding cause of the memory problems on the right. This event can require more memory and can cause problems if there is not enough memory when it occurs Memory is not properly seated or missing/the motherboard is defective. Incompletely or improperly doing this can cause errors that appear to be memory-related. The memory is not compatible and was not installed and configured properly.
Software installation First boot of a new computer Hardware installation or removal Memory upgrade
You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer. Which computer design concept makes this possible? Standardization Firmware Componentization Plug and play
Standardization
The marketing department has hired a new employee. Prior to the new employee's first day at work, you have set up and configured a new laptop computer. The computer and all of the peripherals were purchased from the same vendor. After the new employee begins work, you receive a phone call stating that the wireless mouse is not working. Which of the following is the MOST likely reason the mouse isn't working? The USB mouse receiver is not plugged into the computer. The USB mouse driver is too old for the current mouse. The USB mouse is not a wireless mouse and needs to be plugged into the computer. The USB mouse is malfunctioning.
The USB mouse receiver is not plugged into the computer.
A user on your network has been moved to another office down the hall. After the move, she calls you to complain that she has only occasional network access through her wireless connection. Which of the following is MOST likely the cause of the problem? An SSID mismatch between the client and the server. The client system has moved too far away from the access point. The client has incorrect WPA2 settings. The encryption level has been erroneously set back to the default setting. An SSID mismatch between the client and the WAP.
The client system has moved too far away from the access point.
A user installs a new graphics application on her Windows system. During the installation process, the application prompts the user to load a custom video driver that has been optimized for the application. She does so and then completes the installation. Several days later, the user reports that her display doesn't seem to be working properly under some conditions. To fix the problem, you need to reload the old video driver. Which of the following actions are the BEST choices? (Select TWO). Use Device Manager to disable the video driver. Use Device Manager to roll back the video driver. Revert the system to a restore point prior to installing the video driver. Boot from the Windows installation media and select the Startup Repair option. Boot to advanced startup menu and select Last Known Good Configuration.
Use Device Manager to roll back the video driver. Revert the system to a restore point prior to installing the video driver.
Which of the following are options for connecting a computing device, such as a notebook computer or a tablet, to a cellular network? (Select FOUR.) Use a USB cable to connect the device to the cellular network through a cable modem. Use an integrated transmitter to connect the device directly to the cellular network through a satellite. Use an integrated cellular antennae to connect the device directly to the cellular network. Use a USB cable to connect the device to the network through a smartphone. Use a USB transmitter to connect the device directly to the cellular network through a satellite. Use the device's Wi-Fi to connect to the cellular network through a cable modem's Wi-Fi antenna. Use a USB cellular antennae to connect the device directly to the cellular network. Use the device's Wi-Fi to connect to the network through a cellular Wi-Fi hot spot
Use an integrated cellular antennae to connect the device directly to the cellular network. Use a USB cable to connect the device to the network through a smartphone. Use a USB cellular antennae to connect the device directly to the cellular network. Use the device's Wi-Fi to connect to the network through a cellular Wi-Fi hot spot.
You've just set up a color laser printer on a customer's Windows workstation. You've connected it to the workstation using a USB cable and have loaded the appropriate drivers. Which of the following are the BEST steps to take next? (Select TWO). Set the printer driver to print grayscale by default to reduce color toner consumption. Do nothing. Your work is done. Use Driver Rollback to make a backup copy of the new printer driver. Use the USBTEST utility in Windows to verify that the USB connection is working properly. Verify that it is working correctly by printing a test page. Edit the printer properties to configure paper tray and other device-specific settings
Verify that it is working correctly by printing a test page. Edit the printer properties to configure paper tray and other device-specific setting
A few of your employees have complained that their computers sometimes shut down spontaneously. You have noticed that these employees all work in a part of the building where the air condition does not adequately cool the room. These employees also use CPU-intensive programs. You suspect that the spontaneous shutdowns are caused by overheating. Which of the following is the SIMPLEST way to monitor the temperature of the computer's CPU? Placing a thermostat on the CPU. Touching the PCs with your hand or fingers. Placing a thermostat on the PC at the warmest location. Viewing the temperature from within the BIOS.
Viewing the temperature from within the BIOS.
You are an IT administrator troubleshooting a computer from within the Windows command prompt. You are trying to execute the chdsk command line tool, but it keeps failing. Which of the following command switches would give you the BEST information or help on how to run this command? chkdsk /? chkdsk /info chkdsk /i chkdsk /help
chkdsk /?
Joseph has started using virtual machines (VMs) to help his software development process. As the number of VMs has increased, Joseph has noticed that his hard drive is almost full. He would like you to buy and connect an external hard drive where additional VMs can be stored. When the drive arrives, you find it has the type of connector shown in image 1. Which type of connector is on the external hard drive? SATA SCSI eSATA VHDC SCSI
eSATA
What would you enter at the command prompt on a Linux system to display a list of files and subdirectories that exist within the present working directory?
ls
You want to know more about the usage, command syntax, and options available with the Linux ifconfig command. What would you enter at the command prompt to display this information about ifconfig? _______ ifconfig
man ifconfig
You work for a small company as the human resources specialist. Since the company is fairly small, you are maintaining all of the employee information on your desktop computer, which is running Windows 10. This computer has two high-capacity hard disks. You want to ensure that this information is protected from a hard disk failure, so you want to set up a Windows software RAID system. Which of the following would be your BEST solution? Use spanned volumes. Use mirrored volumes. Use striped volumes. Use RAID 5 volumes.
use mirrored volumes