CompTIA A+ 220-1001 (Core 1) Certification Practice Exam
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? a.Fix the problem. b.Create an action plan. c.Document the problem. d.Determine if escalation is needed.
Determine if escalation is needed.
Which of the following is true of modern LCD monitors regarding backlighting? a.Red, green, and blue light provide the least expensive type of backlighting technology. b.Cold cathode florescent (CCFL) are used for backlighting. c.LEDs are used to backlight the screen. d.LCD monitors have small cells containing electrically-charged ionized gas that don't need backlighting.
LEDs are used to backlight the screen.
You connect your computer to a wireless network available at the local library. You find that you can't access several websites you need to on the internet. Which of the following is the MOST likely cause of this problem? a.A proxy server is filtering access to websites. b.Port triggering is redirecting traffic to the wrong IP address. c.The router has not been configured to perform port forwarding. d.A firewall is blocking ports 80 and 443.
a.A proxy server is filtering access to websites.
A manufacturing company has customized a computer application that supervisors will use to track line worker efficiency. Supervisors will interact with the application while walking within and between work areas and will also use the laptop while sitting at their desks. Which of the following laptop features would BEST minimize the awkward movement of carrying a bulky laptop with a hinged display while providing the flexibility to use the device at a desk? a.A rotating or removable screen b.A touchscreen display c.A laptop docking station d.Special function keys
a.A rotating or removable screen
Which of the following types of printers heats the ink in its print head to print? a.Bubble jet (inkjet) b.Piezoelectric crystal inkjet c.Laser d.Thermal
a.Bubble jet (inkjet)
You've just installed a new video card in a user's Windows workstation. When the system is powered on, the screen is blank. You have checked the video cable and verified it is installed correctly. What should you check NEXT? a.Check the video driver version and update if necessary. b.Replace the video cable. c.Check to make sure the video card is correctly installed on the system board. d.Install a new monitor.
a.Check the video driver version and update if necessary.
You want to upgrade all memory in your system with the fastest memory available. Which of the following should you choose? a.Choose the type of memory that is supported by your motherboard. b.DDR4 c.DDR3 d.DDR2
a.Choose the type of memory that is supported by your motherboard.
As an IT technician for your company, you have been notified that the Windows domain does not seem to be functioning properly. Being familiar with domains, you are fairly confident you know what the issue is. But just to be safe, you take the applicable time to gather additional information and to identify what, if anything, has changed. Which of the following is the BEST next step? a.Create a hypothesis. b.Determine the appropriate fix. c.Gather information. d.Identify what has changed. e.Implement the fix.
a.Create a hypothesis.
Which of the following are antenna types that are commonly used in wireless networks? (Select TWO). a.Directional antenna b.Omnidirectional antenna c.Half-duplex antenna d.Low EMI antenna e.Full-duplex antenna f.High EMI antenna
a.Directional antenna b.Omnidirectional antenna
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet using the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0 Default Gateway. . . . . . . . . : 192.168.2.1 DNS Servers. . . . . . . . . . . : 192.168.2.20 Which of the following is the MOST likely cause of the problem? a.Incorrect default gateway b.Incorrect IP address c.Incorrect DNS server address d.Incorrect subnet mask
a.Incorrect default gateway
You are putting together a gaming system and need to make sure you get a display that meets your needs. The display needs to have a very good response time, and you would prefer that it be affordable and power-efficient. Which of the following types of displays will MOST likely meet these needs? a.LCD display with TN panel b.OLED display with wide-angle viewing c.LCD display with IPS panel d.Plasma display with no motion blur
a.LCD display with TN panel
Which of the following battery types offers the greatest storage capacity in the smallest amount of space? a.Lithium ion (LIB) b.Nickel cadmium (NiCad) c.Carbon d.Nickel metal hydride (NiMH)
a.Lithium ion (LIB)
You are in the process of configuring a new computer. The motherboard has four memory slots and supports dual-channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual-channel mode. What should you do? a.Move the modules to the correct motherboard slots. b.Add continuity modules to unused memory slots. c.Replace the memory with dual-channel capable memory. d.Change the CAS latency to a higher setting.
a.Move the modules to the correct motherboard slots.
You use a 64-bit version of Windows 10 Professional on your desktop computer. This system has a 500 GB hard disk installed and 4 GB of system RAM. Using Hyper-V, you plan to test a network design that will have multiple virtual servers and virtual workstations. Does your system meet the requirements for the test you plan to run? a.No. You need more RAM if you plan to run multiple virtual machines using Client Hyper-V. b.No. You must be running the 64-bit version of Windows 10 Enterprise to meet the requirements for Client Hyper-V. c.Yes. Your system meets the minimum requirements for running Client Hyper-V. d.No. Hyper-V can only be implemented on Windows Servers.
a.No. You need more RAM if you plan to run multiple virtual machines using Client Hyper-V.
The servers for the company are all virtual machines and hosted on the same hypervisor. You need to keep users in all other departments from accessing the virtual servers used by the finance department. Which of the following technologies should you use to logically isolate the network? a.VLANs b.NIC teaming c.MAC filtering d.Subnetting
a.VLANs
You are configuring a firewall to allow access to a server hosted in the demilitarized zone of your network. You open IP ports 80, 25, 110, and 143. Assuming that no other ports on the firewall need to be configured to provide access, which applications are most likely to be hosted on the server? a.Web server and email server b.Email server, Newsgroup server, or DNS server c.Web server, DNS server, or DHCP server d.Web server, DNS server, or email server
a.Web server and email server
A user is having problems connecting to other computers using hostnames. Which of the following commands will BEST help you troubleshoot this problem? a.nslookup b.nbtstat c.arp d.netstat
a.nslookup
Portable devices have a software-controlled switch that disables all wireless functionality. What is the name of this software-controlled switch?
airplane mode
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? a.Brian's computer has a quad-core processor, but hyper-threading has not been configured. b.Brian's computer has a single-core CPU configured to use hyper-threading. c.Brian's computer has two physical CPUs, but hyper-threading has not been configured. d.Brian's computer has a single dual-core CPU containing two central processing units.
b.Brian's computer has a single-core CPU configured to use hyper-threading.
Currently, the users in your company are required to use their IP addresses when connecting to other hosts. Since IP addresses are difficult to remember, you want to implement a protocol on your network that allows computers to automatically find another host's IP address using a logical name. Which of the following protocols would be the BEST to implement? a.DHCP b.DNS c.ARP d.Telnet
b.DNS
You have just set up a new laser printer for the company president on her Windows workstation. You have installed the printer and the drivers. What should you do next? a.the printer over the network with the rest of the organization. b.Edit the printer properties to configure device-specific settings. c.Document the steps you took to complete the configuration. d.Report to your supervisor that the job was completed.
b.Edit the printer properties to configure device-specific settings.
Which of the following describes an IPv6 address? (Select TWO.) a.32-bit address b.Eight hexadecimal quartets c.Four decimal octets d.64-bit address e.128-bit address
b.Eight hexadecimal quartets e.128-bit address
Rachel, an employee in the support department, wants to run a virtual machine on her computer from which she can troubleshoot customer issues. Which of the following must you complete before virtualization will work on her computer? a.Install additional memory. b.Enable virtualization support in the BIOS settings. c.Flash the computer's BIOS to add virtualization support. d.Install the extra hard disk from the new virtual machine will run on.
b.Enable virtualization support in the BIOS settings.
A customer is upgrading the routers and switches in their network. The signal source in these network devices is a light-pulse. Which of the following network cabling options is MOST likely being used in this upgrade? a.Wireless b.Fiber optic c.Twisted pair d.Copper
b.Fiber optic
When a user rotates a mobile device, the operating system changes the screen orientation so that the display remains upright to the user. Which of the following technologies is uses to detect this device movement? (Select TWO). a.Wi-Fi b.Gyroscope c.Geotracking d.GPS e.Accelerometer
b.Gyroscope e.Accelerometer
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet, which uses the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: . Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask. . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.1.20 192.168.1.27 Which of the following is the MOST likely cause of the problem? a.Incorrect DNS server address b.Incorrect subnet mask c.Incorrect default gateway d.Incorrect IP address
b.Incorrect subnet mask
You are configuring a new system, and you want to use a RAID 0 array for the operating system using SATA disks and the RAID functionality built into the motherboard. Which of the following BEST describes the action you will take as part of the configuration? a.In the BIOS, set the disk mode to IDE. b.Load the RAID drivers during operating system installation. c.Set the disk mode to AHCI in the BIOS. d.Set master/slave jumpers on the hard drives.
b.Load the RAID drivers during operating system installation.
To fix a problem you are having with your PC, you have determined that you must flash the computer's BIOS. Which of the following would MOST likely need to be completed prior to flashing the BIOS? (Select TWO). a.Locate the flash utility or tool that was shipped with your PC. b.Properly identify the motherboard. c.Download the flash utility or tool from the manufacturer's website. d.Test the memory to ensure that it is functioning properly. e.Create a backup of the hard disk in the event of a failure.
b.Properly identify the motherboard. c.Download the flash utility or tool from the manufacturer's website.
Ben is concerned about losing data due to a hard disk failure. His computer will only support a maximum of three disks. To protect his data, you have decided to use RAID (redundant array of independent disks). Which of the following RAID types would give Ben the BEST mirrored data protection? a.RAID 0 b.RAID 1 c.RAID 5 d.RAID 10
b.RAID 1
A company has subscribed to a cloud service that offers cloud applications and storage space. Through acquisition, the number of company employees quickly doubled. The cloud service vendor was able to add cloud services to these additional employees without requiring hardware changes. Which of the following cloud concepts does this represent? a.Measured service b.Rapid elasticity c.Resource pooling d.On-demand
b.Rapid elasticity
Your company has decided to hire a full-time video editor. You have been asked to find a system with the level of display quality needed by someone who will be working with video all day. Which of the following video related specifications will have the greatest impact on display quality? (Select TWO). a.Memory b.Refresh rate c.Display connector type d.Resolution e.GPU configuration
b.Refresh rate d.Resolution
Which of the following can be used to create a secure connection to a remote server? a.Telnet b.SSH c.ICMP d.SMTP e.FTP
b.SSH
A user reports that her monitor has stopped working. While troubleshooting the issue, you discover a bad video card in the system. You replace the card and connect the monitor cable to the card. Which of the following actions should you perform NEXT in your troubleshooting strategy? a.Document the solution. b.Test the solution. c.Implement preventative measures. d.Explain what you did to fix the problem.
b.Test the solution.
You have just finished replacing the motherboard in your friend Ethan's computer with the same type of motherboard it originally had. You tested the motherboard by powering it on and verifying that the operating system started, and his applications were working. Now Ethan is complaining that his computer no longer recognizes his external hard drive. Which of the following is MOST likely causing the external hard drive not to function? a.The computer's power supply was not connected properly. b.The USB front panel connector was not properly connected. c.Ethan's hard drive has failed. d.The replacement motherboard does not support external hard drives.
b.The USB front panel connector was not properly connected.
A company has built a video streaming service that supplies training videos. Quickly transmitting video data to customers is more important than guaranteed delivery. Which of the following transport layer TCP/IP suite protocols is MOST likely used for this service? a.File Transfer Protocol (FTP) b.User Datagram Protocol (UDP) c.Transport Layer Protocol (TCP) d.Internet Control Message Protocol (ICMP)
b.User Datagram Protocol (UDP)
A user has called to complain that her computer won't boot. It stops on the system startup screen right after the memory has been tested and displays a 301 keyboard error. Which of the following troubleshooting steps is the BEST to try first? a.Have the user remove all memory modules and replace them one at a time until the error reoccurs. b.Verify that no keys are being pressed down during POST. c.Verify that the latest UEFI firmware updates have been applied. d.Install a new keyboard on the computer. e.Check your keyboard settings in Control Panel. f.Download and install the latest keyboard driver from the manufacturer's website.
b.Verify that no keys are being pressed down during POST.
You currently use the Exchange email client on your desktop PC. You use it to connect to an email server provided by a service provider using the IMAP and SMTP protocols. You recently purchased an iPad, and you want to configure its Mail app to connect to your email server. Which of the following BEST describes whether this task can be accomplished? a.The Mail app requires IMAP and SMTP traffic be secured using SSL. b.You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols. c.The Mail app doesn't support the IMAP protocol. You must use POP3 instead. d.The Mail app can only connect to email services such as Gmail or Yahoo! Mail.
b.You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols.
Drivers for a small trucking company rely on a smartphone navigation application. When the smartphone loses internet connectivity, the maps don't update properly. Also, the company pays extra for a premium data service plan to support the application. Which of the following mobile devices could replace the smartphone navigation application, could provide map coverage when internet connectivity is lost, and does not require a data plan? a.A GPS-enabled tablet b.A GPS-enabled phablet c.A GPS-enabled personal navigation device d.Wearable smart glasses
c.A GPS-enabled personal navigation device
Joe is working on a design team that uses a computer-aided design (CAD) system. Joe has been complaining that it takes too long to perform tasks such as panning, rotating, and zooming. You have been asked to look at Joe's computer and to make any changes required to increase Joe's productivity. Which of the following changes would BEST meet Joe's needs? a.Add a second high-capacity hard drive to Joe's computer. b.Configure Joe's workstation with dual monitors. c.Add a very high-end video board. d.Increase the memory for the onboard video embedded in the motherboard.
c.Add a very high-end video board.
Which of the following devices would you add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products? a.Touch screen b.Trackball c.Bar code reader d.Scanner
c.Bar code reader
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? a.Use a card known to be compatible with Windows. b.Change from a PCI card to USB. c.Check the manufacturer website for compatibility information. d.View the device manager and check the current driver details.
c.Check the manufacturer website for compatibility information.
Which of the following techniques are used in a pharming attack to redirect legitimate web traffic to malicious websites? (Select TWO). a.Man-in-the-middle attack b..Search engine results poisoning c.Exploiting DHCP servers to deliver the IP address of poisoned DNS servers d.Changing the hosts file of a user's computer e.Dictionary attack
c.Exploiting DHCP servers to deliver the IP address of poisoned DNS servers d.Changing the hosts file of a user's computer
You want to be able to monitor and filter VM-to-VM traffic within a virtual network. What should you do? a.Define VLAN memberships on each VM. b.Route VM-to-VM traffic through a physical firewall and back to the virtual network. c.Implement a virtual firewall within the hypervisor. d.Create a virtual router with VRF technology.
c.Implement a virtual firewall within the hypervisor.
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet, which uses the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask. . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.1.20 192.168.1.27 Which of the following is the MOST likely cause of the problem? a.Incorrect IP address b.Incorrect DNS server address c.Incorrect subnet mask d.Incorrect default gateway
c.Incorrect subnet mask
After installing two memory modules, you power on the system to check for errors. You find that the BIOS program recognizes only one of the memory modules. While troubleshooting this issue, which of the following is BEST to try first? a.Change the memory timings in the BIOS to a slower (higher) setting. b.Scan for new devices in Device Manager; enable any disabled memory modules. c.Make sure that both modules are seated properly in their slots. d.Reboot the computer and run memory diagnostic tests on the memory. e.Return both modules for a replacement.
c.Make sure that both modules are seated properly in their slots.
You have a workstation running Windows 10, 64-bit edition. A local printer connected to a USB port is shared so that other users can print to that printer. Users running 32-bit versions of Windows report that they can't install the driver for the shared printer. Users running a 64-bit version of Windows do not have any problems. Which of the following actions will MOST likely fix this problem? (Select TWO). a.Configure the printer to run in 32-bit emulation mode. b.Move the printer to a computer running a 32-bit operating system c.Manually install the correct driver on each computer that is having a problem. d.Configure one computer running a 32-bit operating system with the correct driver. Share the network printer and have all 32-bit computers connect to that computer. e.On your computer, add the x86 drivers.
c.Manually install the correct driver on each computer that is having a problem. e.On your computer, add the x86 drivers.
Which feature allows a tablet to recognize multiple finger touches at the same time? a.Accelerometer b.Gyroscope c.Multi-touch d.Resistive touchscreen
c.Multi-touch
Google Cloud, Amazon Web Services, and Microsoft Azure are some of the most widely used cloud storage solutions for enterprises. Which of the following factors prompt companies to take advantage of cloud storage? (Select TWO.) a.Need for a storage provider to manage access control b.Need for a platform as a service for developing applications c.Need to bring costs down d.Growing demand for storage e.Need for a software as a service for managing enterprise applications
c.Need to bring costs down d.Growing demand for storage
The fan in a 450-Watt power supply is malfunctioning. What action should you take? a.Open the power supply and replace the defective fan unit. b.Open the power supply and oil the fan. c.Remove and replace the power supply. d.Do not service the computer until the CPU fan also fails.
c.Remove and replace the power supply.
When you print from your laser printer, the paper contains faint images from previous printouts. Which of the following components is MOST likely the cause? (Select TWO). a.Transfer roller b.Primary corona wire c.Rubber scraper d.Secondary corona wire e.Fluorescent lamp
c.Rubber scraper e.Fluorescent lamp
After receiving several complaints from the employees in your company, you start to troubleshoot a laser printer. After a short while, you have concluded that the most probable cause is a dirty drum. Which of the following is the MOST logical reasons for this conclusion? a.Ghost images on the page b.A blank page c.Spots at regular intervals on the page d.Garbage characters on the page
c.Spots at regular intervals on the page
A technician determines that an older network hub that connects 24 workstations is performing poorly due to excessive network collisions. Which of the following network devices would be the BEST replacement? a.Router b.Patch panel c.Switch d.Bridge
c.Switch
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? a.Network adapter b.Hub c.Switch d.Router
c.Switch
A user reports that he is unable to access data on an external hard drive. You investigate the problem and determine that the USB cable connection to the hard drive is damaged. You replace the cable. Which of the following actions should you take NEXT? a.Create an action plan. b.Determine if escalation is necessary. c.Test the solution. d.Document the problem and solution.
c.Test the solution.
A technician is unable to install virtualization software on a host computer. The host has more free disk space than required. Which of the following is MOST likely to be the cause? a.The CPU doesn't have multiple core processors. b.There is insufficient physical memory on the host to support both the host and the VM. c.The motherboard UEFI/BIOS doesn't support hardware assisted virtualization. d.There is no auxiliary hard drive to store the VM files
c.The motherboard UEFI/BIOS doesn't support hardware assisted virtualization.
Which of the following is considered an input device? a.Monitor b.Hard disk c.Touchscreen d.RAM
c.Touchscreen
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? a.Verify that the fan on the power supply is spinning. b.Listen for POST code beeps to determine the error's cause. c.Use a multimeter to test the power supply. d.Replace the power supply.
c.Use a multimeter to test the power supply.
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? a.Purchase a new monitor with a DVI-D port. b.It's not possible to connect this monitor to this PC. c.Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC. d.Use an adapter to connect the monitor VGA port to the DVI-D connector on the PC.
c.Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.
Which of the following are true concerning the Virtual Desktop Infrastructure (VDI)? (Select TWO) a.In the event of a widespread malware infection, the administrator can reimage user desktops by pushing an image out to each user desktop system over the network. v.User desktop environments are provided by individual desktop systems instead of by remote servers. b.Roaming profiles must be configured to allow mobile users to keep their same desktop environment across systems. c.User desktop environments are centrally hosted on servers instead of on individual desktop systems. d.In the event of a widespread malware infection, the administrator can quickly reimage all user desktops on a few central servers.
c.User desktop environments are centrally hosted on servers instead of on individual desktop systems. d.In the event of a widespread malware infection, the administrator can quickly reimage all user desktops on a few central servers.
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? a.Placing a thermostat on the CPU. b.Placing a thermostat on the PC at the warmest location. c.Viewing the temperature from within the BIOS. d.Touching the PCs with your hand or fingers.
c.Viewing the temperature from within the BIOS.
Which of the following protocols carry phone calls over an IP-based network? a.RTSP b.TCP c.VoIP d.HTTP
c.VoIP
A user is configuring an email client application and decides to use the TCP/IP suite protocol that will store all messages on the email server so that they can be synchronized across a laptop, a smartphone, and a web email client. This protocol will store the email messages on the email server until the user explicitly deletes them. Which of the following TCP/IP port numbers will the client application typically use while using this protocol to contact the email server? a.21 b.80 c.110 d.143
d.143
Your laser printer prints a vertical black line on every page. You change the toner cartridge, but the problem does not go away. What is the MOST likely problem? a.The fuser assembly is damaged. b.The paper is poor quality. c.The photosensitive drum is wearing out. d.A corona wire is dirty.
d.A corona wire is dirty.
While investigating a network connectivity issue, a technician finds that the link light on a workstation is not lit, and there is no connectivity after replacing the patch cable both between the workstation and the wall jack and between the patch panel and the switch with cables that are known to be good. If the wall jack and patch panel ports are labeled correctly, which of the following tools would the technician MOST likely use next? a.Punchdown tool b.Tone generator c.Crimper d.Cable tester
d.Cable tester
You have just connected a new computer to your network. The network uses static IP addressing. You find that the computer can communicate with hosts on the same subnet, but not with hosts on a different subnet. No other computers are having a problem. Which of the configuration values would you most likely need to change? a.Subnet mask b.DNS server c.IP address d.Default gateway
d.Default gateway
Lately, you hear a clicking noise when reading or writing data from the hard disk. What is the most likely cause of the clicking? a.Bad memory b.Overheated CPU c.Failed UPS d.Failing hard drive
d.Failing hard drive
One of the employees in your company calls and complains that text printed on the laser printer smudges easily and is staining hands and cloths. Which of the following, if adjusted or replaced, would BEST fix the printer? a.Photoreceptor drum b.Toner hopper c.Laser d.Fuser unit e.OPC drum
d.Fuser unit
After arriving in a new city today, a traveling sales team member calls you stating that his wireless connection no longer works. He has checked the wireless configuration, and he knows it to be correct because it was working yesterday. What should you do first? a.Have him manually configure the wireless card to use only 802.11b. b.Have him purchase a USB wireless card to use until you can check the problem yourself. c.Have him update the drivers for the wireless card. d.Have him verify that the wireless card's hardware switch is in the On position.
d.Have him verify that the wireless card's hardware switch is in the On position
You have installed a new computer with a quad-core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows. Which of the following actions would MOST likely rectify this issue? a.Update the memory controller driver in Device Manager. b.Flash the BIOS. c.Disable the AGP aperture in the BIOS. d.Install a 64-bit version of the operating system.
d.Install a 64-bit version of the operating system.
A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. She can access the network from her usual office, but today, she is trying to access the wireless network from a conference room, which is across the hall and next to the elevator. Which of the following is the MOST likely cause of her connectivity problem? a.The client computer is using the wrong channel number. b.MAC filtering is preventing the computer from connecting. c.The user has not yet rebooted her laptop computer while at her new location. d.Interference is affecting the wireless signal. e.SSID broadcast has been disabled.
d.Interference is affecting the wireless signal.
Which of the following best describes the Platform as a Service (PaaS) cloud computing service model? a.PaaS delivers infrastructure to the client, such as processing, storage, networks, and virtualized environments. b.PaaS stores and provides data from a centralized location without the need for local collection and storage. c.PaaS delivers software applications to the client either over the internet or on a local area network. d.PaaS delivers everything a developer needs to build an application onto the cloud infrastructure.
d.PaaS delivers everything a developer needs to build an application onto the cloud infrastructure.
Additional funds have been allocated to the sales department, and they have asked you to upgrade the memory modules in each employee's notebook computer. Which of the following are the MOST common methods used to access these memory slots? (Select TWO). a.Remove a side panel and pull out the tray holding the memory. b.Remove the bezel. c.Remove the LCD panel. d.Remove the keyboard. e.Open a panel on the bottom of the notebook.
d.Remove the keyboard. e.Open a panel on the bottom of the notebook.
For a special project, you have been asked to recommend the lowest profile desktop computers available. You are attempting to put together the specifications for these machines. Which of the following types of cards are attached to the motherboard to allow expansion cards to plug into them instead of the motherboard? a.VESA Local Bus b.Communications and Networking Riser c.PCMCIA d.Riser
d.Riser
Which of the following cloud computing solutions delivers software applications to a client either over the internet or on a local area network? a.PaaS b.IaaS c.DaaS d.SaaS
d.SaaS
A healthcare organization provides mobile clinics throughout the world and needs to transfer patients' statistical data to a central database via the internet. Which network technology should you select to ensure network connectivity for any clinic located anywhere in the world, even remote areas? a.DSL b.ISDN c.Cable modem d.Satellite e.Dial-up
d.Satellite
A technician is tasked with repairing a laptop keyboard with sticking keys. Which of the following actions should the technician perform before replacing the keyboard? a.Repeatedly drop a small rubber ball on each sticky key. b.Disable the Sticky Keys keyboard setting. c.Enable the Bounce Keys setting to ignore repeated keystrokes. d.Spray compressed air between the keys.
d.Spray compressed air between the keys.
You're troubleshooting a malfunctioning notebook computer. Nothing appears on the LCD display when the system is powered on. When you connect an external monitor to the system, the Windows desktop is displayed on the monitor properly. Which of the following is MOST likely causing this problem? (Select TWO). a.A new driver for the video board needs to be installed. b.The BIOS needs to be updated. c.The built-in video card is malfunctioning. d.The LCD assembly is malfunctioning. e.The display output has been redirected to the external monitor port using an Fn key.
d.The LCD assembly is malfunctioning. e.The display output has been redirected to the external monitor port using an Fn key.
Which of the following (1 BEST describes the technology designed to replace the BIOS and (2 is a firmware solution for controlling the startup process and loading the computer operating system into memory? a.BIOS 2 b.CMOS c.EEPROM d.UEFI
d.UEFI
A user in the sales department cannot get his laptop to display through a projector. He sees the screen output on the built-in display, but the video is not being seen on the projector. Which of the following steps would be BEST to try first? a.Replace the video card. b.Replace the display. c.Check the backlight setting. d.Use the Fn key to redirect display to the external video port. e.Add video RAM.
d.Use the Fn key to redirect display to the external video port.
For the past several days, the print jobs from the inkjet printer are missing colors and leaving gaps. Which of the following will MOST likely resolve the problem? a.Recalibrate the printer's color profile. b.Add additional memory to the printer. c.Check the gap between the printer head and the paper. d.Use the automatic print head cleaning feature.
d.Use the automatic print head cleaning feature.
The human resources department wants to give gifts away at the company's summer party. They would like to have an assortment of fitness tracker wristbands, smartwatches, smart glasses, and virtual reality headsets. They have been trying to locate these on the internet, but have been unsuccessful. Which of the following types of mobile devices should you tell them to search for? a.e-Readers b.Smart phones c.Tablets d.Wearable devices e.Phablets
d.Wearable devices
You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this? a.SMTP b.NTP c.LMHOSTS file d.WINS e.DNS
e.DNS
You have just finished upgrading the 250 W power supply in your desktop computer to a 450 W power supply. Now the BIOS doesn't recognize one of the hard disk drives in the system during POST. Which of the following troubleshooting steps is the BEST to try first? a.Reconfigure the hard disk to use the higher-wattage power supply using jumpers on the drive. b.Replace the power supply. c.Use the switch on the power supply to switch from 110 volts to 220 volts. d.Manually enter the hard disk parameters in the BIOS. e.Make sure that the hard disk is connected to the power supply.
e.Make sure that the hard disk is connected to the power supply.
You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280 x 1024 with 32-bit color. The geometry of the images displayed on the screen appear to be distorted. What should you do to correct the problem? a.Update the video driver to the latest version. b.Change the screen resolution to 1400 X 1050. c.Increase the hardware acceleration setting on the video driver. d.Use a DVI cable to connect the monitor instead of an HDMI cable. e.Set the display resolution to the native resolution of the monitor.
e.Set the display resolution to the native resolution of the monitor.
