Domain 2

What is the maximum working range of a Class 3 Bluetooth device? 0.5 meters 100 meters 10 meters 1 meter

1 meter

Which USB mode supports up to 5 Gbps? 3.1 2.0 1.1 3.0

3.0

You have just built a brand new computer, and you need to purchase a monitor that will support widescreen 4K movies. Which of the following resolutions supports this need? 1920 x 1200 1600 x 900 3840 x 2160 1920 x 1080

3840 x 2160

Which of the following tasks would benefit the MOST from a dedicated graphics card? Correct Answer: Word processing Correct Answer: Audio mixing Correct Answer: 3D animation Correct Answer: Web browsing

3D animation

How many pins does an unpowered Firewire connector have? Correct Answer: Six Correct Answer: Four Correct Answer: Five Correct Answer: Twenty-four

4

How much power can a USB 3.0 dedicated charging port supply? 2.5W 7.5W 4.5W 15W

7.5W

What is the maximum supported transfer rate for the IEEE 1394b standard? Correct Answer: 5 GBps Correct Answer: 800 Mbps Correct Answer: 400 Mbps Correct response: 480 Mbps

800 Mbps The IEEE 1394b, or Firewire 800, standard supports a maximum transfer rate of 800 Mbps. USB 2.0 supports a maximum transfer rate of 480 Mbps. IEEE 1394, or Firewire, supports a maximum transfer rate of 400 Mbps. USB 3.0 supports a maximum transfer rate of 5 Gbps.

Christian is shopping for a new computer. He needs to be able to create documents and input data into a spreadsheet, and he also wants to be able to take notes at meetings and jot down ideas using a stylus. Which type of computer should Christian look for? A laptop A hybrid device A mobile phone A tablet

A hybrid device

Diane is in the market for a new computer; she is part of a mobile sales team. She needs a computer that is very portable, can be used to give presentations, and is able to remotely connect to her main office to pull important sales reports. What is a good computer choice for Diane? A laptop A full desktop An all-in-one desktop A tablet

A laptop

Which of the following is the best definition for a LAN? A network in a small geographic area, like in an office. An extension of a private network over a shared or public network, such as the Internet. A network whose computers and servers are separated geographically but still connected. The interconnection of components, such as laptops, printers, keyboards, and other wireless devices within a personal range (typically 10 meters or less).

A network in a small geographic area, like in an office.

Which of the following is the term for a device (usually external to a computer) that is plugged into a computer's communication port or connected wirelessly? A flash drive A peripheral A plug-in An attachment

A peripheral

Which of the following BEST describes a motherboard? Correct Answer: A printed circuit board that contains sockets and slots for upgradeable components Correct Answer: A unit that supplies electricity to computer components Correct Answer: A chip that makes sure all necessary parts are plugged in and working properly on bootup so that the operating system can start loading Correct Answer: A chip that controls all other parts of a computer by getting information from them and then telling them what to do

A printed circuit board that contains sockets and slots for upgradeable components

Which of the following is true of ADSL? ADSL supports speeds of up to 100 Mbps. ADSL has asymmetric speeds. ADSL has a fiber backbone. ADSL has symmetric speeds.

ADSL has asymmetric speeds.

Which of the following CPU types does Nvidia's Tegra fall under? Correct Answer: Zen Correct Answer: ARM Correct Answer: Core Correct Answer: Xeon

ARM

Which of the following are characteristics of Bluetooth? (Select two.) Correct Answer: Line-of-sight transmission Correct Answer: 2.4 GHz radio wireless Correct response: Red spectrum light waves Correct Answer: 5.75 GHz radio wireless Correct Answer: Ad hoc connections

Ad hoc connections 2.4 GHz radio wireless

Which of the following is an advantage of using an 802.11n/ac standard over an 802.11b/g standard for a wireless network? An 802.11n/ac standard has many more non-overlapping channels. An 802.11n/ac standard covers more distance. An 802.11n/ac standard is encrypted. An 802.11n/ac standard provides Bluetooth wireless networking.

An 802.11n/ac standard has many more non-overlapping channels.

Which of the following is responsible for verifying that all required components are operating properly before allowing the operating system to begin loading? Correct Answer: GPU Correct Answer: BIOS Correct Answer: RAM Correct Answer: CPU

BIOS

Your client's computer keeps attempting to boot to the network adapter. You need to change it to boot to the hard drive that has the operating system installed on it. Where would you go to change the boot order? Windows Settings Disk Management Network Settings BIOS/UEFI

BIOS/UEFI

Rick and Steve want to share information between their smart phones without connecting to the WiFi network. Which of the following is the least complicated way to accomplish this? Correct Answer: USB cable Correct Answer: NFC Correct Answer: Bluetooth Correct Answer: Infrared

Bluetooth

Which of the following BEST describes the difference between Bluetooth and Wi-Fi? Correct Answer: Bluetooth communicates between devices; Wi-Fi connects devices to the nternet. Correct Answer: Bluetooth broadcasts large amounts of data at faster speeds; Wi-Fi broadcasts small amounts of data at slower speeds. Correct Answer: Bluetooth provides a longer broadcast range than Wi-Fi. Correct Answer: Bluetooth provides a higher security level than Wi-Fi.

Bluetooth communicates between devices; Wi-Fi connects devices to the nternet.

You have found a file named FunAppx86.exe on your hard drive. Which system(s) would this executable file MOST likely run on? Only 16-bit and 32-bit systems Both 32-bit and 64-bit systems Only 64-bit systems Only 32-bit systems

Both 32-bit and 64-bit systems

Which hardware component processes data? CPU RAM SSD HDD

CPU

Which hardware component processes data? Correct Answer: HDD Correct Answer: RAM Correct Answer: CPU Correct Answer: SSD

CPU

Which of the following computer components is the MOST important part of any modern computer? Correct Answer: RAM Correct Answer: CPU Correct Answer: NIC Correct Answer: BIOS

CPU

You recently purchased a new sound card and installed it in a free PCI slot in your computer. You plug in your old speakers, but you don't get any sound. You have checked all cable connections, and they are secure. You have also ensured that the speaker volume is appropriately adjusted and isn't muted. Which of the following BEST describes the next step you should perform? Correct Answer: Manually change the IRQ settings for the card. Correct Answer: Check the vendor's website for an updated driver. Correct Answer: Replace your sound card. Correct Answer: Replace the speakers.

Check the vendor's website for an updated driver.

Which motherboard component provides functions that might otherwise require an expansion card? PCB I/O Ports BIOS Chipset

Chipset

Which motherboard component provides functions that might otherwise require an expansion card? Correct Answer: BIOS Correct Answer: Chipset Correct Answer: I/O Ports Correct Answer: PCB

Chipset

You are troubleshooting a printer issue on a Windows 10 version 1703 system. Where would you go to view the printer's status page and configuration options? Control Panel --> Devices and Printers Control Panel --> Troubleshooting Settings --> Devices Settings --> Printers

Control Panel --> Devices and Printers

Frank, a technician, has finished installing a wireless router. Jessica is connected to the WiFi. However, she can only see the company intranet pages. What should Frank do to troubleshoot the problem? Apply a firmware update. Clear the browser cache. Configure the browser proxy settings. Disable the pop-up blocker.

Correct Answer: Configure the browser proxy settings.

Which of the following technologies allows data to be transferred between the RAM and CPU twice per cycle? Correct Answer: Dual-channel RAM Correct Answer: CMP Correct Answer: DDR Correct Answer: SMP

DDR

Which of the following display devices uses adjustable mirrors along with a light source and color filters to display the correct image? DLP LCD CRT LED

DLP Digital Light Processing (DLP) is a display technology often used in projectors. DLP devices use mirrors that can be adjusted with the light source and color filters to display the correct image. Liquid Crystal Display (LCD) is a type of flat screen display often used in laptops. Cathode Ray Tube (CRT) is an older display device that used an electron beam passing through color filters to display the correct image. Light Emitting Diodes (LED) are often used as the backlight for LCD displays.

Jason works out of his home using a Small Office Home Office (SOHO) network and is planning on moving to a new city in a few months. What is the MOST likely reason Jason would choose Digital Subscriber Line (DSL) over a fiber network in his next home? DSL provides higher upload and download speeds. DSL is more likely to be available at his new home. DSL cables provide better performance over longer distances. DSL does not interfere with voice calls.

DSL is more likely to be available at his new home.

Which of the following chips is responsible for processing audio input from a microphone and converting it into data? Correct Answer: GPU Correct Answer: CPU Correct Answer: DSP Correct Answer: DLP

DSP

Jeff has been asked to replace a monitor on a workstation. Which of the following device interfaces could he use to connect the new monitor? Correct Answer: UPS Correct Answer: USB Correct Answer: SSID Correct Answer: DVI

DVI

Which graphics interface supports both digital and analog signals? DVI-I DVI-D VGA HDMI

DVI-I

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? Correct Answer: Driver Manager Correct Answer: Network and Sharing Center Correct Answer: Device Manager Correct Answer: Internet Properties

Device Manager

You are replacing your graphics card and have uninstalled the driver using the software package. You want to verify that the device is fully uninstalled. Which of the following would be the BEST place to verify the graphics card has been fully uninstalled? Correct Answer: Control Panel Correct Answer: Add/Remove Programs Correct Answer: Settings Correct Answer: Device Manager

Device Manager

Which of the following is an advantage of DisplayPort 1.4 over HDMI 2.0? DisplayPort connection monitors are less expensive than HDMI connection monitors. DisplayPort is supported by more devices than HDMI. DisplayPort can connect gaming consoles; HDMI can only connect computers to monitors. DisplayPort has a greater maximum bandwidth than HDMI.

DisplayPort has a greater maximum bandwidth than HDMI.

You have just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. After the installation, the system frequently crashes when you try to access the new device. Which of the following steps would MOST likely resolve this issue? Download and install the latest driver from the manufacturer's website. Run the Add Legacy Hardware wizard and manually configure the device. Replace the device itself. Remove and then reinstall the device.

Download and install the latest driver from the manufacturer's website.

Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network? Correct Answer: 802.11n Correct Answer: ArcNet Correct Answer: Bluetooth Correct Answer: Token Ring Correct Answer: Ethernet

Ethernet

What is the bus between the RAM and CPU called? ATA BSB PCI FSB

FSB

Which of the following reflects the inverted hierarchical tree structure of Domain Name System (DNS) servers? HyperText Transfer Protocol (HTTP) Internet Message Access Protocol (IMAP) Dynamic Host Configuration Protocol (DHCP) Fully qualified domain name (FQDN)

Fully qualified domain name (FQDN)

You are helping a client connect their new Blu-ray player to their 4K projector. Which of the following cables would you MOST likely use? DVI HDMI DisplayPort Thunderbolt

HDMI

You are helping a client connect their new Blu-ray player to their 4K projector. Which of the following cables would you MOST likely use? Correct Answer: DisplayPort Correct Answer: Thunderbolt Correct Answer: HDMI Correct Answer: DVI

HDMI

The original desktop computers used floppy disk drives to store programs and user data. What do modern personal computer use for non-volatile, long-term storage? Zip drives Random access memory Hard disk drives Flash drives

Hard disk drives

Match each item on the left to its appropriate category on the right. Monitor Internet browser Operating system Touchscreen Power cable RAM Video game Video game controller Drop Hardware Software

Hardware Monitor Power cable Video game controller Touchscreen RAM Software Operating system Video game Internet browser

Which of the following is a drawback to satellite internet? High latency Low latency Limited availability Less security

High latency

Carrol purchased a new printer and attached it to her workstation with a USB cable. The printer is powered on, but the computer does not recognize the printer. Which of the following should Carrol do next to be able to send print jobs to the printer? Check for operating system updates Connect the printer to the network instead of a USB cable Upgrade the firmware on the printer Install the latest printer driver

Install the latest printer driver

Sarah has set up a home office using her old 802.11g wireless router and a cordless phone to use for business calls. When she is on a call with her cordless phone and tries to access the internet on her computer, the internet performance slows down significantly. Which of the following BEST describes the problem the cordless phone is causing? Attenuation Speed Frequency Interference

Interference

Paul has been asked to install a new printer. The most important requirement is that the printer needs to be fast. Which of the following printer types is the fastest? Inkjet printer Laser printer Dot matrix printer 3D printer

Laser printer

Which of the following colored jacks on an audio card would you use to connect a 5.1 speaker set? Lime Orange Black Brown Light blue Silver Pink

Lime, Orange, black

You are an IT technician for your company. Your boss has asked you to set up and configure a wireless network to service all of the conference rooms. Which of the following features lets you allow or reject client connections based on the hardware address? DHCP SSID MAC address filtering WEP

MAC address filtering

You are trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first? Correct Answer: Make sure the USB device is plugged in properly. Correct Answer: Replace the USB device. Correct Answer: Install a new USB controller card. Correct Answer: Try a different USB cable.

Make sure the USB device is plugged in properly.

Cliff needs to find a solution to a problem. He has several employees that work on team projects. He wants to find a centralized storage solution that can be used for shared storage, has enough space for even the largest files, is easy to deploy, attaches to his current network infrastructure, and is not too expansive. What device should he choose? File server NAS DAS Cloud storage

NAS

Which of the following is a version of RFID that can work as both a tag and a reader? NFC Passive RFID Active RFID Bluetooth

NFC

Which of the following wireless communication technologies can be described as follows? Has a very limited transmission range, of less than two inches Used with credit cards and passports Slower than other wireless technologies Constantly emitting a signal Infrared in diffuse mode IEEE 1394 Bluetooth NFC Infrared in line-of-sight mode

NFC

Which of the following wireless technologies requires a distance of approximately 4 cm (1.5 inches) in order to establish a communications link between devices? Correct response: Bluetooth Correct Answer: Infrared Correct Answer: WiFi Correct Answer: NFC

NFC

Which of the following would MOST likely be used for contactless payment? Correct Answer: Wi-Fi Correct Answer: NFC Correct Answer: RFID Correct Answer: Bluetooth

NFC

You have recently issued new mobile phones to the sales team in your company. Each phone has the ability to store and transmit encrypted information for such things as making payments at a checkout counter. Which of the following is the technology being used in these phones? NFC chips Bluetooth transmitters VPN Infrared transmitters

NFC chips

Multiple computers configured to be able to communicate and share information with each other form a ____________. Correct Answer: Network Correct Answer: Commune Correct Answer: Group Correct Answer: Family

Network

A computer system can be interconnected to other computer systems for the purpose of sharing information with each other. What are these computer systems called? Network clients Network interfaces Network servers Local area networks (LANs)

Network clients

You are using your new scanner to scan a text document so you can edit it on the computer. Which type of software would you use to do this? TWAIN WIA OCR CCD

OCR

Sara, a user, wants to play a movie on her laptop while traveling. She recently purchased a movie on Blu-ray disc. Which of the following computer components does she need installed? Flash storage Optical drive SSD Hard disk

Optical drive

Which of the following slots would a new graphics card MOST likely be inserted into? USB PCI PCIe NIC

PCIe

Bob is configuring a new inventory tracking system that uses special labels to mark each inventory item. To track the inventory, Bob must be within 25 meters of the label and use a special reader to retrieve the information that's embedded in the tag. Which of the following device interfaces is MOST likely being used? Passive RFID Active RFID NIC NFC

Passive RFID

What was the original name given to small, portable devices that were intended to help us in our everyday tasks? Personal Digital Assistants (PDAs) Personal computers Mobil assistants Smart devices

Personal Digital Assistants (PDAs)

Which of the following components converts AC to DC? Correct Answer: Surge protector Correct Answer: Capacitor Correct Answer: Power supply Correct Answer: Voltage regulator

Power Supply

Jeremy has just installed a printer in his home office and wants to allow others in the home to send print jobs to the printer through their devices. Which of the following should Jeremy use in his Windows 10 Settings application to enable this printing feature? Printer Properties Device Manager Bluetooth & Other Devices Devices and Printers

Printer Properties

Which of the following components stores values in short-term memory? Correct Answer: Flash drive Correct Answer: Hard drive Correct Answer: Processor Correct Answer: RAM

RAM

You are connecting your new 5.1 speaker set to your computer. The speaker set uses coaxial cables to plug into an S/PDIF jack. Which type of connection is MOST likely being used? RCA RJ-45 Fiber optic Serial

RCA

Which kind of connector do you use to connect a modem to a standard telephone line? Correct Answer: F-type Correct Answer: RG-58 Correct Answer: RJ-45 Correct Answer: RJ-11

RJ-11

Which connector is used with an unshielded twisted pair (UTP) cable? Correct Answer: DIX Correct Answer: AUI Correct Answer: BNC Correct Answer: RJ-45

RJ-45

Which of the following connectors are used to terminate a Cat 5e and Cat 6a network cable? Correct Answer: LC Correct Answer: BNC Correct Answer: RJ-45 Correct Answer: RJ-11

RJ-45

Which of the following networking interfaces connects a computer to a wired local area network (LAN)? Correct Answer: RFID Correct Answer: RJ-45 Correct Answer: NFC Correct Answer: RJ-11

RJ-45

Which of the following are wired components that allow a computer to connect to an internal company network? (Select two.) Correct Answer: RJ-45 cable Correct Answer: RJ-11 cable Correct Answer: Switch Correct response: Router Correct Answer: Network interface port

RJ-45 cable Network interface port

Brandon, a technician, has recently noticed that the wireless network in the office has slowed down. What could he do to support faster connections? Upgrade to 802.11g Reduce any possible EMI Enable Wi-Fi Protected Access Change the default password

Reduce any possible EMI

A company executive has been experiencing slowness when her laptop boots. After performing some diagnostics and troubleshooting, you determine the hard drive has sufficient free space and it is rated as a 5400 RPM drive. You decide to defragment the hard drive. After the drive is defragmented, the laptop boot performance has not improved. Which of the following internal computing components would MOST LIKELY resolve the performance issue? Increase the amount of RAM Upgrade the firmware/BIOS Replace the hard drive with a larger capacity Replace the hard drive with an SSD

Replace the hard drive with an SSD

Which of the following CPU models is made by AMD for high-end computer enthusiasts? Ryzen Threadripper Atom Epyc Xeon

Ryzen Threadripper

A technician is tasked to add a valid certificate to a mobile device so that encrypted emails can be opened.Which of the following email protocols is being used? IMEI POP3 S/MIME IMAP

S/MIME

Which of the following is used on a wireless network to identify the network name? WPA2 passphrase SSID MAC address WEP key

SSID

Which of the following protocols can be enabled so email is encrypted on a mobile device? IMAP POP3 SMTP SSL

SSL

You are troubleshooting a client's issue. Whenever she tries to double-click on a folder, the folder highlights but does not open. Your client gets frustrated because she has to keep clicking until the folder finally opens. Which of the following should you do to correct this issue? Tell the user to click the mouse buttons faster. Tell the user to click the mouse buttons slower. Select a slower double-click speed in Mouse Properties. Select a faster double-click speed in Mouse Properties.

Select a slower double-click speed in Mouse Properties.

Which of the following devices normally provide a mini-USB (Universal Serial Bus) or micro-USB connector? (Select three.) Tablet DVD player Home audio/video receiver Smartphone Game console Digital camera Printer

Smartphone, Tablet, Digital camera

You have two different keyboard layouts configured on your Windows 10 computer. Which of the following keyboard shortcuts allows you to easily switch between them? CTRL + ALT + DEL Start + K Start + Spacebar CTRL + SHIFT + ESC

Start + Spacebar

Justin has purchased a new laptop but is having problems connecting to his home Wi-Fi network. Which of the following is the MOST likely issue that is preventing the laptop from connecting to the Wi-Fi network? An RJ-45 cable needs to be run from the laptop to the wireless router. The laptop operating system software needs to be updated. The external Wi-Fi button or switch on the laptop case needs to be turned on. A wireless network interface needs to be installed on the laptop.

The external Wi-Fi button or switch on the laptop case needs to be turned on.

Rico, a technician, works for a manufacturer that has been experiencing power outages at one of their warehouses. The warehouse has a number of IP-based security cameras. After the last power outage, the cameras are all powered on but are not accessible from the security office. Which of the following is MOST likely the cause? The wireless router has either not reconnected to the network or the cameras are not reconnecting. The wireless router was damaged in the outage and requires a firmware upgrade. The wireless router reset to a default protocol that is not compatible with the cameras. All the cameras were damaged in the power outage.

The wireless router has either not reconnected to the network or the cameras are not reconnecting.

You are connecting an external monitor to an Apple Macbook. Which of the following connectors would you MOST likely use? VGA DisplayPort HDMI Thunderbolt

Thunderbolt

Which of the following physical connections would you MOST likely use to connect a digital camera to a computer in order to transfer files? CAT 5e USB HDMI Wi-Fi

USB

Which of the following physical connections would you MOST likely use to connect a digital camera to a computer in order to transfer files? Correct Answer: HDMI Correct Answer: USB Correct Answer: CAT 5e Correct Answer: Wi-Fi

USB

Which type of connector is commonly used for keyboards and mice? Correct Answer: XLR Correct Answer: TRS Correct Answer: USB Correct Answer: RCA

USB

Which connector on the back of a computer is used to attach a mouse to a modern PC system? Correct Answer: RJ-45 Correct Answer: Mini-DIN Correct Answer: High-density (three row), female DB-15 Correct Answer: USB A Correct response: USB B Correct Answer: Low-density (two row), female DB-15

USB A

Which display connection type uses a 15-pin connector? DVI-A VGA DVI-D HDMI

VGA

Match each protocol on the left to its description on the right. Drag Internet Protocol TCP UDP DNS HTTP HTTPS Drop Verifies that each packet has been transmitted and received correctly Encrypts and transfers hypertext pages on the World Wide Web Matches unique IP addresses with easy-to-read URLs Transfers hypertext pages on the World Wide Web Divides files into packets and routes them through the Internet to their destination Transmits packets in a continuous stream but doesn't verify packets

Verifies that each packet has been transmitted and received correctly TCP Encrypts and transfers hypertext pages on the World Wide Web HTTPS Matches unique IP addresses with easy-to-read URLs DNS Transfers hypertext pages on the World Wide Web HTTP Divides files into packets and routes them through the Internet to their destination Internet Protocol Transmits packets in a continuous stream but doesn't verify packets UDP

Which of the following provides security for wireless networks? 802.3u WAP WPA2 802.11a CSMA/CD

WPA2

Which of the following devices is typically installed in the chassis above the screen in a laptop? Correct Answer: Speakers Correct Answer: Touchpad Correct Answer: Wireless NIC Correct Answer: Webcam

Webcam

Which of the following is a type of peripheral input device that can be integrated into a laptop computer to provide digital camera functionality? Correct Answer: Image scanner Correct Answer: Monitor Correct Answer: Graphics card Correct Answer: Webcam

Webcam

Which of the following components is NOT required to create a network? Correct response: Network media Correct Answer: Wireless adapter Correct Answer: Network interfaces Correct Answer: Computer systems

Wireless adapter

Which of the following refers to digital content that is delivered over the internet? TCP/IP suite ISP World wide web Network

World wide web

Which of the following video standards provided resolutions up to 1024x768, color depths up to 32 bits, and higher refresh rates when it was released? SVGA HDMI XGA VGA

XGA

Which of the following colored jacks on an audio card would you connect a microphone to? Light blue Orange Lime Pink

pink