CIS140 Practice Question 7, 8, & 9
What is the maximum range of the Bluetooth 2.0 specification for Class 1 devices?
100m
Which data transmission rate is defined by the IEEE 802.11b wireless standard?
11 Mbps
Which features makes it possible to close some notebook computers and still use the touchscreen?
180 degree rotating touchscreen
Which of the following are characteristics of Bluetooth?
2.4 GHz radio wireless Ad hoc connections
Which frequencies does Zigbee operate on?
2.4GHz, 900MHz, and 868 MHz
You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes would you likely choose for the laptop?
2.5"
What is the maximum number of nodes Z-Wave allows on its mesh network?
232
Which of the following is the maximum transmission speed for Bluetooth v3 and v4 devices?
24 Mbps
Which of the following printers would produce the highest print quality?
600 DPI
Which wireless standard can stream data at a rate of up to 54Mbps using a frequency of 5 GHz?
802.11a
Which IEEE wireless standards specify transmission speeds up to 54 Mbps?
802.11a 802.11g
A customer is experiencing a sporadic interruption of their Wi-Fi network in one area of their building. A technician investigates and discovers signal interference caused by a microwave oven. The customer approves replacing the wireless access point that covers the area, but asks that the wireless speed also be increased. Which of the following Wi-Fi standards should the replacement device support to BEST fulfill the customer's needs?
802.11ac
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
You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions would you recommend?
802.11n
A sales person typically carries a laptop computer to several off-site customer meetings each day, but needs the flexibility to quickly attach other peripherals and charge the laptop battery while at their office desk. Which of the following laptop features would BEST meet these requirements?
A laptop docking station.
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 flexibility to use the device at the desk?
A rotating or removable screen.
A technician is tasked with preparing a conference room so that at least 20 guests will be able to wirelessly connect laptop computers to the company network. Which of the following network devices would be the BEST choice for this connectivity?
Access Point
Which type of configuration would you use if you wanted to deploy 802.11n technology to communicate directly between two computers using a wireless connection?
Ad Hoc
A technician is tasked with increasing the RAM memory on a laptop by adding a SODIMM module to an empty memory slot. Which of the following processes will seat the module in the slot?
Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place.
You have removed the bezel from a notebook display that has stopped functioning. You see a DC-to-AC power inverter at the base of the screen. Which of the following BEST describes the type of display you are working with?
An LCD display that uses CCFL backlighting.
A technician is tasked with replacing a Wi-Fi antenna in a laptop computer. Which of the following places would the antenna MOST likely be located?
Around the laptop's bezel.
A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside, it works sporadically. Which of the following would BEST resolve this issue?
Block direct and reflected sunlight from the pathway between the PC and the printer. Move the printer closer to the computer.
You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which of the following would be the best choice?
Bluetooth
You want to use a wireless keyboard and mouse with your laptop computer. Which method should you use?
Bluetooth
Which of the following types of printer heats the ink in its print head to print?
Bubble jet (inkjet)
The integrated mouse, the small monitor, and the compact nature of the keyboard are impeding your work when you use a notebook, but you still need a system that is portable if necessary. What is your best option?
Buy a docking station for your notebook.
A SOHO customer finds that their VoIP conversations frequently break up and become unintelligible. This happens most often when one person in the office streams video from the internet. Which of the following configuration changes on the SOHO router is MOST likely to improve VoIP performance?
Change QoS settings to give VoIP traffic more priority.
A technician is installing a new SOHO wireless router. Which of the following is the FIRST thing the technician should do to secure the router?
Change the router's default password.
A technician receives notification from a SOHO router manufacturer of a specific vulnerability that allows attackers to exploit SNMP traps to take over the router. The technician verifies the settings outline in the notification. Which of the following actions should the technician take NEXT?
Check for and apply firmware updates.
One of your customers wants to configure a small network in his home. The home has three floors, and there are computers on each floor. This customer needs to share files between computers, print to a centrally located printer, and have access to the internet. Which of the following print solutions would BEST meet this clients need?
Configure a Wi-Fi infrastructure network.
A technician is replacing a SOHO router and has configured DHCP to assign private IP addresses to hosts on the local network. These hosts can communicate with each other but users can't browse the internet. Which of the following changes to the SOHO router is MOST likely to restore internet connectivity?
Configure the SOHO router for NAT.
Which of the following is not an example of wireless networking communications?
DSL
Which component in a laser printer applies toner to the drum, causing the toner to stick to the charged areas on the drum?
Developing Roller
Which of the following input devices uses a stylus?
Digitizer
Which component lets you use a notebook system as a desktop system by making it possible to connect a normal-sized external mouse, keyboard monitor, and speakers?
Docking Station
Which of the following printer types is considered an impact printer?
Dot matrix
Which type of printer uses an inked ribbon?
Dot matrix
Jan, a user in the documentation department, printed a very large document. When Jan's boss walked by the printer and saw the large stack of papers, he called you and asked if you could configure the printer to help reduce the amount of paper used by her department. Which of the following printer configurations would BEST facilitate the manager's request?
Duplexing
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
A user has purchased an external speaker to play music from a mobile device over a wireless connection. Which of the following actions is MOST likely needed for speaker connectivity?
Enable Pairing
A technician is installing a SOHO router at an after-school community center. The customer would like to keep children from accessing inappropriate while browsing the web. Which of the following actions would help accomplish this goal?
Enable content filtering
You need to replace the video card in a laptop. What is the first step?
Find a service manual with correct disassembly procedures.
Which function is commonly associated with the following icon? (Satellite Dish Icon)
GPS (on/off)
What are two major concerns regarding IoT devices?
Hacking Privacy
You have been asked to recommend a printer that will be used in a travel agency. The printer will be used to print airline tickets. Each ticket has four pages (multi-part carbon-based forms), and the same information must show up on all four pages with a single pass of the printer. Which printer type would you recommend?
Impact
You have a notebook computer with a built-in wireless network card. One day, it stops working. Because the network card is integrated onto the motherboard, you do not want to replace the entire motherboard. What can you use to connect the wireless network?
Insert a wireless USB network card. Insert an ExpressCard wireless network card.
You have been asked to help a small office with a limited budget set up and configure a Windows network. There are only five computers in this office. In addition to the ability to share network resources, security is a top priority. Which of the following is the BEST course of action?
Install a WorkGroup to allow each device to control what is shared and with whom.
Which type of printer uses a drum, plastic toner, and fuser to create a printed page?
Laser
Which type of printer uses lasers and electrical charges to transfer images to paper?
Laser
Your company needs to print a lot of high-quality black-and-white text documents. These documents need to be printed as quickly and inexpensively as possible. The printer must also have the capacity to perform duplex printing. Which of the following printers BEST meets the printing requirements for your company?
Laser
After replacing a laptop touchpad, a technician finds that the touchpad does not move the cursor. However, a USB mouse does. Before opening the laptop case to re-check the connection, which of the following actions should the technician perform?
Unplug the USB mouse and re-check touchpad movements.
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 for Class 1 devices - Bluetooth Up to 30 meters in areas without interference - Infrared Up to 10 meters for Class 2 devices - Bluetooth
A user normally connects a laptop to a company's network using the laptop's wireless NIC. The laptop does not have an Ethernet port. The wireless network has failed, and the replacement part will take two days to arrive. Which of the following solutions will connect the laptop to the company's wired network?
Use a USB-to-RJ45 dongle and connect to a wall jack with an ethernet cable.
A user opens a help desk ticket to replace a laptop keyboard. The user reports that the cursor randomly moves when typing using the laptop keyboard, causing the user to make frequent typing corrections. The problem does not occur when the laptop is attached to a docking station and an external keyboard is used. You want to find a more affordable solution than replacing the keyboard. Which of the following actions would mitigate the problem?
Use the special function key to disable the touchpad when the laptop keyboard is used.
While configuring a wireless access point device, a technician is presented with several security mode options. Which of the following will provide the most secure access?
WPA2 and AES
Which of the following is true when the DHCP setting is disabled in a wireless network?
Wireless clients must use a static IP address within the correct IP address range to connect to the network.
What are the two protocols used most often with IoT devices?
Zigbee Z-Wave
A technician is tasked with replacing an internal laptop hard drive. Which of the following hard drive standards would be of MOST concern when selecting the replacement?
The hard drive's form factor.
When a presenter at a conference connects a laptop to a projector, the projector mirrors the laptop's display. The presenter would like it to extend the laptop's desktop instead. Which of the following options is the QUICKEST way to make the change?
Toggle the dual display function key on the laptop.
Which of the following components are found in dot matrix printers?
Tractor Feed Platen
Which component in a laser printer charges the paper to attract toner?
Transfer Roller
A user wants to use a laptop to display a presentation on a large TV monitor that has an HDMI connection. Which of the following laptop ports or connections can be used to add this display device?
USB port using a USB-to-HDMI adapter. DisplayPort using a DisplayPort-to-HDMI cable.
Match each smart device with its description.
Learns from your habits and schedule, allows you to control the climate in your home remotely, shows you energy consumption in real-time, and adjusts itself depending on ambient conditions - Thermostat Allows you to control hardwired lights, ceiling fans, fireplaces, small appliances, and garbage disposal - Switch Can change colors, track motion, stream audio over bluetooth, and double as a connected camera, but it's only smart when turned on. It doesn't work when turned off - Bulb Easy solution for making small appliances, such as lamps, coffee makers, and toasters smart - Plug Uses an RF transmitter. May include such features as motion detection, scheduled recording, remote viewing, and automatic cloud storage - Security Camera Uses a wireless protocol and cryptographic key to execute the authorization process. It can also monitor access and send alerts related to the status of the device - Door Lock Uses voice recognition software and activates through a Wake Word or Hot Word - Speaker/Digital Assistant
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 by hardware address?
MAC address filtering
The 802.11ac wireless networking standard provides increased bandwidth and communication speeds by using which of the following technologies?
MU-MIMO to allow multiple users to use the same channel. Channel bonding to combine more channels in the 5 GHz band to allow for up to 160-MHz-wide channels.
Which of the following are characteristics of the 802.11g wireless standard?
Maximum bandwidth of 54 Mbps Backwards compatible with 802.11b devices Operates in the 2.4 GHz range
Which of the following is a 172-pin DIMM often used in laptops?
MicroDIMM
As an IT technician, you are often asked to work on laptop computers that include internal wireless network cards. Which of the following is the MOST commonly used type of card for these internal wireless adapters?
Mini-PCI
Which type of interface is typically used for internal wireless networking cards in laptops?
Mini-PCI
A user pays for a retail purchase by placing a smart phone next to the merchant's reader. Which of the following mobile device connections is being used?
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 emits a signal
NFC
Which of the following locations will contribute the greatest amount of interference for a wireless access point?
Near cordless phones Near backup generators
The manufacturing department consists of 50 employees. Due to the number of employees in the department, the company cannot afford to have a printer for each user. Your company has purchased a new and very expensive laser jet printer for this department's use. This printer needs to be configured so all users in the department have the ability to print to this device from their own computers. Which of the following printer connections would BEST facilitate multiple user access?
Network
Which of the following is an extra button or knob on a laptop that moves the mouse cursor?
Pointing Stick
A technician is installing a network-enabled smart home control system in a SOHO. To access the system from the internet, which of the following configurations is MOST likely required on the SOHO router?
Port Forwarding
A user needs to use her laptop to give a presentation using a video projector. She called asking you how to switch the display to the external monitor port on her laptop. What should you tell her?
Press and hold the Fn key; then press the monitor function key (image of a monitor on it)
Which component in a laser printer prepares the photosensitive drum for writing by causing it to receive a negative electrostatic charge?
Primary Corona
You have created a large course that describes how to install and use the software created by your company. You created the document using FrameMaker, which uses its own proprietary file format. Because your customers don't use FrameMaker, you need to print the document in a format that all of your customers can use. Your customers used Windows, Linux, and Mac operating systems. Which of the following print methods would provide the BEST output for your customers to use?
Print the file to PDF
A user reports that an older laptop is having trouble connecting with newer wireless networks. Which of the following actions should a technician consider as an alternative to replacing the laptop?
Replace the internal wireless card.
An internal laptop keyboard is generally connected to the laptop's system board using a:
Ribbon cable
Which of the following is used on a wireless network to identify the network name?
SSID
Which function is most commonly associated with the following icon? (Circle-Arrow)
Screen orientation.
You're troubleshooting a malfunctioning notebook computer system. The user has indicated that the LCD screen suddenly became dark and difficult to read while he was downloading a large file through his wireless network card while the system was plugged in at his desk. You've checked the system and determined that the backlight has stopped working. Which of the following is MOST likely the cause?
The cold cathode fluorescent lamp has burned out and needs to be replaced. The inverter in the LCD assembly has malfunctioned.