Davenport Netw101 MidTerm

Match the USB connector types on the left with the image labels on the right. (Not all USB connector types will be used.)

1 - USB 2.0 Type-B 2 - microUSB 3 - miliUSB 4 - USB 3.0 Micro-B

Match the USB connector types on the left with the image labels on the right. (Not all USB connector types will be used.)

1 - USB 3.0 Type-A 2 - USB 3.0 Micro-B 3 - USB 3.0 Type-B 4 - 2.0 Type-A

What is the maximum range of the Bluetooth 2.0 specification for Class 1 devices?

100 M

Which type of fiber optic cable supports 10 Gigabit Ethernet with a maximum segment length of up to 40 km?

10GBaseER single-mode

How many pins are on a VGA connector?

15

Which tool would you use to grab and lift small objects?

3-prone holder

Assuming all other processor specifications are the same, which of the following processor sizes will consume the least amount of power?

32 nm

You've just installed the DNS service on a Windows server. Which port must be opened in the server's firewall to allow clients to access the service?

53

Which of the following wireless networking standards uses a frequency of 5 GHz and supports transmission speeds up to 1.3 Gbps?

802.11ac

You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard will work best in this situation?

802.11n

Consider the external ports for a typical PC system (pictured below). Drag the port type on the left to the letter on the right that best identifies it. (Each type can be used once.)

A - HDMI B - Thunderbolt C - IEEE 1394 D - USB E - VGA F - DVI G - RJ45 H - RJ11 I - Fiber S-PDIF J - Audio Jack

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. - LAN A small network used for connecting devices, such as a notebook computer, a wireless headset, a wireless printer, and a smartphone. - PAN A network that is typically owned and managed by a city as a public utility. - MAN A group of networks that are geographically isolated, but are connected to form a large internetwork. - WAN Similar to a standard LAN, but uses radio signals instead of wires to connect systems together. - WLAN A network that covers an area as small as a few city blocks to as large as an entire city. - MAN A set of subnets connected to each other, typically by wires, using at least one router. - LAN

During the POST, you receive the following message: Keyboard not present. Press F1 to continue. What are the most likely causes of this error message? (Select TWO.)

A poor keyboard connection A stuck key on the keyboard

When assisting users, a technician often uses the Mac OS Force Quit functions and the Linux kill command. Which of the following situations would require their use?

A runaway application does not respond to user input.

Match each storage device type on the left with its description and benefits on the right.

A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters. - HDD A flash device and storage capacity similar to a small hard drive. - SSD Uses lasers to read and write information stored in the form of pits in their reflective coating. - Optical disc Providesup to several terabytes in storage capacity, and cost per megabyte is very low. - HDD Faster than other devices. No moving parts. Lasts longer than other storage devices. - SSD Ideal for music and video. Portable and cheap with a long shelf life. - Optical disc

Match the operating system attribute on the left to the correct description on the right.

Ability to use multiple processing devices. Multiprocessing Ability to run multiple applications simultaneously. Multitasking Ability to run multiple parts of an application simultaneously. Multithreading

You are filling out a change order form. Toward its end, you explain how you will return affected hardware and software to its original state if the change fails. What is this plan called?

Backout plan

You want to use a wireless keyboard and mouse with your laptop computer. Which method should you choose?

Bluetooth

Which of the following is a valid MAC address?

C0-34-FF-15-01-8E

You have purchased a 1600 x 1200 LCD monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution at 1280 x 1024 with 24-bit color. The display output seems to be fuzzy and stretched. Which of the following BEST describes the action you should take to correct the problem?

Change the screen resolution to the native resolution of the monitor

Besides protecting a computer from under-voltages, a typical UPS also performs which other actions? (Select TWO.)

Conditions the power signal Protects from over-voltages

Consider the cable connectors used by various peripheral devices (pictured below). Drag the letter on the left to the peripheral device on the right that would most likely use the connector type.

Consider the cable connectors used by various peripheral devices (pictured below). Drag the letter on the left to the peripheral device on the right that would most likely use the connector type.

Assuming the same operating frequency, what advantages does DDR4 have over DDR3? (Select TWO.)

DDR4 doubles the data transfer rate of DDR3 DDR4 uses less power than DDR3

As the IT technician for your company, you need to ensure that IP addresses are automatically assigned to hosts while at the same time preventing the same address from being assigned twice. Which of the following services would be BEST to use?

DHCP

Alice recently purchased a new cell phone. After her vacation, Alice wanted to transfer her holiday photos to her computer to do some touchup work before sending the pictures to her children. When Alice attached her phone to her computer, she saw that Windows detected her phone and tried to load the applicable software to give her access to her phone. Unfortunately, after trying for several minutes, Windows displayed a message indicating that it was unsuccessful. When Alice explored her available drives, her phone was not listed. Which of the following would be the BEST administrative tool to help Alice gain access to her phone?

Device Managerr

Timothy works in the graphic arts departments and has received approval to upgrade his video card. The card has arrived, and you are ready to begin the upgrade. To ensure your personal safety, which of the following should you do FIRST?

Disconnect power.

Which disk types does Windows support? (Select TWO.)

Dynamic Basic

You are troubleshooting a client connectivity problem on an Ethernet network. The client system has intermittent connectivity to the network. You discover that the unshielded twisted pair patch cable runs 75 feet from the wall outlet and then passes through the ceiling and over several florescent light fixtures before reaching the client system. Which of the following is the MOST likely cause of the connectivity problem?

EMI interference

You work for a store that sells and repairs computers. Due to the room's layout, while repairing computers, you must walk from one side of the carpeted room to the other frequently. Which of the following would BEST protect you from static electricity buildup?

ESD wrist strap

A technician is installing a new SOHO wireless router in a home office. The customer wants to secure the wireless network so only a smartphone, tablet, and laptop can connect. Which of the following router settings should the technician change?

Enable MAC filtering

Which Windows tool do you use to browse the file system on a drive?

File explorer

Match each label on the left with the correct characteristics on the right.

First developed to store digital music. Later, was adapted to store digital computer data. - CD Can be written, read many times, erased, rewritten, and has a capacity of about 650 MB. - CD-RW Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data. - DVD Dual-layer version employs two recordable dye layers, each capable of storing data. - DVD - RW Uses blue laser light. which has a short wavelength, allowing data to be packed more tightly onto the disc and is rewritable. - BD-RE Was originally developed for high-definition video (and expanded content on movie discs), but can also be used for data storage. - BD

A PC technician knows he will be late to an appointment with a customer. Which of the following actions should the technician take? (Select TWO).

Give a realistic timeframe for your arrival Contact the customer and apologize.

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select TWO.)

Greater cable distances without a repeater Immunity to electromagnetic interference

Which storage device uses aluminum platters for storing data?

Hard Disk

Drag the computer function on the left with its associated hardware component on the right. (Each option may be used more than once.).

Hard disk - Long-term storage Printer - Output Keyboard - Input CPU - Processing Speakers - Output RAM - Processing DVD-RW - Long-term storage Microphone - Input

You are responsible for managing client workstations for your company. A frantic user calls you one morning exclaiming, "Nothing is working!" Which of the following actions should you perform FIRST?

Identify the problem

What is the purpose of an MSDS?

It documents how to safely handle hazardous materials

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

Which of the following motherboard form factors BEST allows for low-consumption power supplies?

Mini-ITX

Which network component connects a device to the transmission media and allows it to send and receive messages?

Network interface card

Lloyd works for a graphic design company. He needs a monitor that accurately represents colors. Lloyd's monitor recently failed, and you have been asked to purchase a new one. You have been asked to find a monitor with a fast pixel refresh rate, low energy consumption, and very accurate colors representation. Which of the following types of display devices will BEST meet the requirements requested?

OLED

You would like to upgrade the processor in your system to a 64-bit processor. Which of the components will you most likely need to upgrade as well to take full advantage of the new processor?

Operating system

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?

Operating systems

Which of the following expansion buses is most commonly used for devices such as sound cards, modems, and network cards?

PCI

What is the name for the routine that tests the motherboard, memory, disk controllers, video, keyboard and other system hardware?

POST

A group of workers in an office space communicate with each other on their smartphones and tablet devices through an ad hoc network linked using Bluetooth technology protocols. Which of the following network types is in use?

Personal Area Network (PAN)

You have been asked to configure the drives in a computer. The end user wants to use striping without incorporating any fault tolerance. Which of the following will BEST meet these requirements?

RAID 0

Windows 10 features a storage solution called Storage Spaces. When you configure Storage Spaces, you can include information redundancy with a feature called Data Resiliency. Match the types of data resiliency on the left with the appropriate descriptions on the right. Each type of data resiliency may be used once, more than once, or not at all.

Requires that you have at least three storage devices. - Parity Requires at least five storage devices. - Three-way mirror Does not provide redundancy. - Simple Does not provide protection from a single storage device failure. - Simple Requires at least two storage devices. - Two-way mirror Allows you to reconstruct data of one of the storage devices fails. - Parity Protects your data if two stoarge devices fail at one time. - Three-way mirror

Which generation of SATA storage devices does the following? Supports up to 6 Gbps data transfer rates Addresses solid state drives

SATA3

Which protocol is used to send email messages from a mail client to a mail server?

SMTP

Which of the following is used on a wireless network to identify the network name?

SSID

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. - Initializing Indicates that the disc is turned on and can be accessed and the volume on the disk is valid and has no errors. - Healthy Indicates that errors have occurred on physical or dynamic disks. - Unavailable Shows when a dynamic disk has been removed or turned off. - Offline

After arriving at work, you turn on your computer to begin your day. Instantly, you see smoke and smell a strange odor coming from the computer. Which of the following would be the MOST important action to take?

Shut off the system immediately

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

Which of the following devices help protect equipment from temporary, above-normal voltages?

Surge protector

What device is used to create a physical star topology?

Switch

Match the Mac key labels on the left with the corresponding Mac key descriptions on the right.

The primary modifier key on Apple systems, used like the Ctrl key on a Windows system. C Primarily used for text document navigation. D Used for application and navigation shortcuts. A Typically only found on Apple notebooks and is used to access the F1-F12 keys on the keyboard. B

Which of the following is considered an input device?

Touchscreen

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?

UEFI

Which connector on the back of a computer is used to attach a mouse to a modern PC system?

USB

You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following is the MOST common interface for peripheral devices?

USB

Which of the following standards provides data transfer rates up to 480 Mbps with a maximum cable length of 5 meters?

USB 2.0

Drag the wireless networking technology on the left to its associated transmission distance limitation on the right. Each technology may be used more than once.

Up to 100 meters forr Class 1 devices. - Bluetooth Up to 30 meters in areas without interference. - Infrared Up to 10 meters for Class 2 devices - Bluetooth

You have been using the same computer for several years. To extend its service life, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you start the computer, it beeps regularly, nothing is displayed on the screen, and it doesn't start. While troubleshooting this computer, which of the following would be BEST to try first?

Update the UEFI firmware

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?

Use a multimeter to test the power supply.

You want to combine storage space from two different hard disks into a single logical storage unit on your Windows computer. Which of the following is the BEST step to perform?

Use dynamic disks and a spanned volume.

Match the peripheral devices on the left with the descriptions or examples on the right. Each peripheral device may be used once, more than once, or not at all.

Used to scan hardware that contains an embedded microchip for authentication - Smart card reader Used to capture some type of analog signal and convert it into digital data. - Digitizer Can be a stand-alone device or integrated with other peripherals, such as a keyboard. - Smart card reader Graphics tablets mostly used by graphic artists to capture hand-drawn images. - Digitizer Fingerprint scanner - Biometric Scanner Most commonly used in retail environments at checkout stands - Barcode reader

While configuring a wireless access point device, a technician is presented with several security mode options. Which of the following options will provide the most secure access?

WPA2 and AES

You have a desktop computer that you want to upgrade. You add several internal components and external components. You realize that you need to ensure that your power supply can support all of the new devices. Which of the following power supply ratings BEST describes the rating used to determine this?

Watt Rating

What are the two protocols used most often with IoT devices? (Select TWO.)

Zigbee Z-wave

Which of the following utilities checks the disk for bad clusters?

chkdsk

What would you enter at the command prompt on a Linux system to display the IP addresses and the subnet masks assigned to each network interface on a Linux system?

ifconfig

Part of the operating system core is responsible for controlling security, managing the file system, and providing a platform for applications to run on. What is this feature's name?

kernal

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?

man ifconfig

A technician wants to move a file called widget.txt from the current directory to /home/fred. Which of the following commands would the technician use?ce on the right that would most likely use the connector type. Network Adapter

mv widget.txt/home/fred

You are connecting an older dot matrix printer to a computer. The printer's cable is a D-shaped connector with 25 pins. Which port type does the printer connect to?

parallel port

What would you enter at the command prompt on a Linux system to display the present working directory?

pwd

A technician would like to completely shut down and power down the system 10 minutes after notifying all users. Which of the following commands should the technician use?

shutdown -h +10 message

You are logged in as a user with limited system privileges. You are the Linux system administrator, and you have the password to the root user account. When you need to switch to root user to perform administrative tasks, what command should you enter at the command prompt?

su -