Exam: A+ Practice Exam 3: Chapter 6

Transcription

1 Exam: A+ Practice Exam 3: Chapter 6 Question 1 of 32 The PS/2 ports on a computer are used for which types of devices? (Select two.) Keyboard Mouse Modem Digital audio Digital video Question 2 of 32 Which of the following are considered input devices? (Select two.) Trackball Hard disk RAM Touchscreen Monitor Question 3 of 32 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 device will allow this type of setup? KVM USB hub DVI Router Question 4 of 32 You work as the IT Administrator for a small corporate network. You have two servers in the network closet. Rather than having separate input and output devices for each server, you have purchased a KVM switch to share a single monitor, keyboard, and mouse. Your task in this lab is to connect the computers to the KVM switch. Use the following process: Add the KVM switch to the Workspace area. Connect a KVM cable to each computer. Connect the DB-15 connector with three cables to the PC port on the KVM. Connect the DB-15 connector with single cable to the video card on the computer. Connect the keyboard and mouse connectors to the corresponding computer ports. Connect the monitor to the monitor port on the KVM switch. Connect the keyboard and mouse to the KVM switch. 1/8

2 Question 5 of 32 You work as the IT Administrator for a small corporate network. Your task in this lab is to connect the following components to the workstation in Office 2: Keyboard Mouse Barcode scanner Printer Monitor Select a component or a cable, then use the Details link in the Selected Component window to examine the connectors. In this lab, you are required to identify the components on the shelf by sight. When you are finished you can turn on the computer and the monitor to verify that it boots. Question 6 of 32 Which of the following is an advantage of serial ports over parallel ports? Serial ports can send data over longer distances. Serial ports have quicker data transfer rates. Serial ports are immune to problems. Serial ports are more common. Question 7 of 32 Which of the following is an advantage of parallel ports over serial ports? Parallel ports have higher data transfer rates. Parallel ports can send data over longer distances. Parallel ports are immune to problems. Parallel ports are more common. Question 8 of 32 Your new computer has a single parallel port integrated on the motherboard. You need to configure the parallel port to use ECP mode to support custom features of a printer. How would you do this? Edit the parallel port mode in the BIOS. Edit the properties for the parallel port in Device Manager. Edit the properties of the printer object and use the Ports tab. When installing the driver, select ECP mode for the device. 2/8

3 Question 9 of 32 Which of the following use Centronics-type connectors? Parallel IDE USB Serial Question 10 of 32 Which of the following types of printer connections would connect to LPT:1? Parallel Serial USB PS/2 Question 11 of 32 Which of the following interfaces can be used to connect a keyboard and mouse? PS/2 Serial Firewire PATA Question 12 of 32 Which connectors on the back of a computer are commonly used to attach a mouse to a modern PC system? (Select two.) Mini-DIN High-density (three row), female DB-15 RJ-45 Low-density (two row), female DB-15 USB A USB B Question 13 of 32 You work part-time at a computer repair store. You are in the process of connecting several devices to a computer. Complete the following tasks: Connect the mouse to the computer. Connect the USB hub to the computer. Plug the USB hub into the power strip. Connect the scanner and the digital video camera to the USB hub. In this lab, you are required to identify the items on the shelf by name. 3/8

4 Question 14 of 32 You would like to connect several USB and Firewire devices to your computer. However, all of your USB ports are being used, and the computer does not have any Firewire ports. Your task in this lab is to add USB and Firewire ports and connect devices to the computer as follows: Install the USB port connector in an available slot. Connect the cables to the USB header on the motherboard. Install the Firewire expansion card in an available slot. Connect the following devices using a USB connection: Digital camera Printer Do not disconnect any existing USB devices. Connect the following devices using a Firewire connection: Digital video recorder External hard drive Boot the computer. Edit the BIOS settings and set the USB 2.0 controller mode to HiSpeed. In this lab, none of the external devices are turned on, so none of them will be detected when the computer starts. Question 15 of 32 Which of the following standards provides for data transfer rates up to 480 Mbps with a maximum cable length of 5 meters? IEEE 1394 USB 2.0 IEEE 1284 RS-232 Question 16 of 32 What is the most common interface for peripheral devices? USB Serial Firewire PATA Question 17 of 32 Which of the following devices typically has both Type A and Type B USB ports? USB-compatible hub USB-compatible computer USB-compatible printer 4/8

5 USB-compatible storage device Question 18 of 32 What is the maximum data transfer speed for USB 3.0 devices? 1.5 Mbps 12 Mbps 400 Mbps 480 Mbps 5 Gbps Question 19 of 32 You are trying to connect a new USB device to your computer. You install the driver, then connect the device to an open USB port. The device does not work. What should you do first? Try a different USB cable. Replace the USB device. Install a new USB controller card. Make sure the USB device is plugged in properly. Question 20 of 32 You have just built a new computer running Windows. The motherboard has several built-in USB ports. You connect a device to one of these ports, but the device runs in USB 1.1 mode instead of 2.0 mode. What should you do? Edit the CMOS settings to configure the USB ports to use USB 2.0. Install the USB 2.0 driver for the USB hub. Edit the USB hub settings in Device Manager. In Device Manager, scan for hardware changes. Question 21 of 32 You have connected a USB hub to your computer. Connected to the hub is a scanner, a USB thumb-drive, and an external hard drive. How many IRQs are needed for the USB devices? Question 22 of /8

6 You work as the IT Administrator for a small corporate network. The employee in Office 1 needs assistance to connect two external devices to her computer. Complete the following tasks: Question 23 of 32 Which of the following standards provides for data transfer rates up to 800 Mbps with a maximum cable length of 100 meters? IEEE 1394a USB 2.0 IEEE 1284 RS-232 IEEE 1394b Question 24 of 32 How many devices does a single IEEE 1394 bus support? Question 25 of 32 What is the maximum cable length for the IEEE 1394a standard? 3 meters 4.5 meters 5 meters 100 meters Question 26 of 32 What is the maximum data transfer rate of an IEEE 1394a device? 100 Mbps 200 Mbps 400 Mbps 800 Mbps 1600 Mbps Question 27 of /8

7 You want to update the drivers for two devices in your system: the Mustek scanner and the Broadcom network adapter. You have downloaded the driver for the network adapter to a USB thumb drive that is currently on the Shelf. Your task in this lab is to update the necessary drivers. Complete the following steps: 1. To make a USB port available for the thumb drive, remove the external hard drive from the system. Be sure to use the correct procedure for removing the device. 2. Insert the USB thumb drive in the free USB port. Verify that the system detects the device. 3. Update the driver for the network adapter using the driver on the USB thumb drive. Question 28 of 32 What is the advantage of hot-swapping for storage devices? The operating system automatically detects hot-swappable storage devices, configures drivers, and enables the devices. Users create custom BIOS configurations to enable the interface used by the hot swappable device. Users do not defragment hot swappable IDE drives because they have large storage capacities. Users do not make configuration changes or interact with the operating system before unplugging hot swappable devices. Question 29 of 32 Which of the following is the correct order for the installation of a new USB device and the driver files that shipped with it? Connect the device. No driver installation is required for USB devices. Install the device driver using the manufacturer's installation instructions. Attach the device. Complete the Add a Device wizard when it pops up. Attach the device. Complete the Add a Device wizard when it pops up to install the device driver. Attach the device. Cancel the Add a Device wizard when it pops up. Install the device driver using the manufacturer's installation instructions. Question 30 of 32 You have installed a new device in your system, and have run the Add a Device Control Panel applet. Under what circumstance would it be appropriate to continue with the wizard if the device was not discovered? The device driver was installed before the device was installed. The device does not support Plug-and-Play. The device connects to the USB bus. The device does not require a driver. Question 31 of 32 Your company uses Windows as a desktop operating system. You need to install a new Plug-and-Play print device on a user's computer. The printer uses a parallel port interface. You connect the print device to the computer's parallel port and turn the print device on. You want to use the drivers provided by the manufacturer rather than those that ship with Windows. What should you do? Run the setup program provided by the print device's manufacturer. Run the Add a Device wizard and scan for the Plug-and-Play print device. Update the print device's drivers using Device Manager. Enable Enhanced Parallel Port (EPP) support in the system BIOS. Use the File Signature Verification utility to sign the manufacturer's drivers. Question 32 of /8

8 You need to connect a new USB scanner to the USB port on your computer. What should you do? Install the scanner drivers, then connect the scanner to the USB port. Connect the scanner to the USB port, then install the drivers. Connect the scanner to the USB port. Connect the scanner to the USB port. When prompted, do not install a driver. 8/8