mobile devices

Question 1

A user with a desktop can no longer log in to their computer because the computer is not recognizing any keystrokes entered. What component could a technician check to ensure the desktop is functioning correctly?

Answer 1

keyboard

Keyboards tend to be subject to failure due to dust, dirt, and liquids.

Question 2

The main component of a computer used to store data is the hard drive

A company is looking to upgrade the performance of its computers as cost-effectively as possible. What computer component can be cheaply upgraded to improve read/write times?

Answer 2

Hard drive

Question 3

A user with an SSD and an Intel Core i7 recently had another component upgraded. The upgrade has not improved the speed because it is not being recognized by the operating system. What component was upgraded but is not being recognized?

Answer 3

Memory

Program code is loaded into RAM so that it can be accessed and executed

Question 4

A computer component was upgraded recently to improve speed. However, during the boot process, the screen states “no bootable disk.” What may have been upgraded?

Answer 4

Hard Drive

The main component of a computer used to store data is the hard drive. Hard drives come in multiple forms, such as a magnetic spinning drive or solid-state drive.

Question 5

A support technician replaced a computer component and resolved a user’s issue where the laptop would not stay on without the power adapter plugged in. What computer component did the technician replace?

Answer 5

Battery

Laptop computers use removable, rechargeable Lithium-ion (Li-ion) batter

Question 6

A recent upgrade to the corporate network caused a few older laptops to no longer connect. What could be upgraded on the laptop to allow them to connect again?

Answer 6

Wireless Card

Question 7

An IT department purchased a few thin and light TVs for their conference rooms, but set up a static screen while not in use. After a while, users report the screen seems to have burnt in, distorting their presentations. What kind of TVs did they purchase?

Answer 7

OLED

In an organic LED (OLED) display, a separate LED generates each pixel. O

Question 8

Users in a small portion of the office are reporting that Wi-Fi connectivity seems very spotty. There is only one Wi-Fi option available. What issue are they running into?

Answer 8

Equipment Placement

The location of wireless equipment can influence users’ ability to conne

Question 9

A retailer sales representative is trying to sell an LCD TV to a customer. The sales pitch involved a great color contrast. However, it may not be suitable for wide living rooms. What kind of LCD technology does this TV have?

Answer 9

VA

Vertical alignment (VA) uses crystals that tilt rather than twist or rot

Question 10

A user is trying to buy a monitor and is told that the crystals in the screen rotate rather than twist or tilt. What kind of technology does the monitor use?

Answer 10

IPS

In-plane switching (IPS) uses crystals that rotate rather than twist. Th

Question 11

A company is looking to buy budget monitors. A sales representative mentioned that a specific model would work best for them because it uses a technology that is less common but was one of the original types of LCD technologies. What kind of monitor technology is the salesperson referring to?

Answer 11

TN

Twisted nematic (TN) crystals twist or untwist in response to the voltag

Question 12

An electrician needs to convert DC power to AC power. What should the electrician use to complete this task?

Answer 12

Inverter

An inverter is a component used to convert DC power to AC power. Some de

Question 13

A user submitted a ticket for equipment to link their two monitors, keyboard, mouse, and a hardwired internet connection to their laptop. What piece of equipment should the company order for this user?

Answer 13

Docking Station

A docking station is like a port replicator and allows multiple peripher

Question 14

A small industrial facility has an old dot-matrix printer. A support engineer replaced an older computer and needs to hook up the dot-matrix printer to it. However, it does not have the correct port. What interface does the old printer have?

Answer 14

Serial interface

Serial is one of the oldest and simplest computer interfaces. While not

Question 15

A user received a brand-new laptop that contains only two USB ports. The user needs to hook up more than two things to their laptop. What piece of equipment can be used to expand the number of USB connections available?

Answer 15

Port replicator

A port replicator is similar to a dock that allows users to connect mult

Question 16

A user is traveling with a cell phone and laptop. They are in an area with no wireless internet connectivity but high-quality cellular connectivity. What cell phone technology could they use to connect the laptop to the internet?

Answer 16

Hotspot

Users can use the cellular data plan of a mobile device to provide inter

Question 17

A small company was denied cyber insurance because they only use passwords to authenticate. What could the company enable to allow their cyber insurance to get approved?

Answer 17

MFA

Multifactor authentication (MFA) means that the user must submit at leas

Question 18

A device management system was configured to only download updates for mobile devices while on Wi-Fi. Why might an IT department disable the use of cellular data for device updates?

Answer 18

Data caps

Many cellular subscriptions do not provide unlimited data. Any update or

Question 19

A sales rep from a wireless provider emailed the point of contact at a company to inform them that any of their older cellular or hotspot devices will no longer work, as they are turning off older cellular towers. What wireless technology might the sales rep be referring to?

Answer 19

3G

Many cellular providers started turning off older cellular technologies

Question 20

A company switched cellular carriers and realized their existing cell phones are not compatible because the phones use a SIM card. What cellular standard does the cellular carrier not support?

Answer 20

GSM

Global System for Mobile Communication (GSM) allows subscribers to use a

5G cellular technology has expected speeds of 1Gbps. However, real-world speeds range from about 50 Mb/s to 300 Mb/s. Some expanded networks have ultra-wideband improvements with the intended goal of faster speeds.

Question 21

A user reports they cannot use Google Maps on their cell phone. The technician looked at the device management system and realized that a feature was disabled, preventing the Maps app from functioning properly. What cellphone feature was disabled?

Answer 21

Locational Services

Geolocation is the use of network attributes to identify (or estimate) t

Question 22

A real estate company uses a drone to map out properties it is looking to purchase and determine their value. However, once the drone is flying, it fails to record its location on a map. What drone feature may not be functioning correctly?

Answer 22

GPS

Global Positioning System (GPS) is one method of determining the latitud

Question 23

Many device management systems such as Microsoft Intune or VMware Workspace One allow devices to be preconfigured easily with minimal user or IT setup. What may be one main selling point for enrolling devices into a device management system?

Answer 23

Application deployment

To simplify device setups, deploying and configuring applications is an

Question 24

Why might a company using Microsoft Intune want to deploy a profile to set up email access automatically?

Answer 24

Simplify set up of email application.

Device management systems can simplify the setup of email applications o

Question 25

A system administrator recently set up all the corporate cell phones for device management. One feature was to pre-setup the mail app so that employees could access corporate communication without needing additional setup. What function of the device management software system did the system administrator set up?

Answer 25

Email configuration

Device management systems can simplify the setup of email applications o

Question 26

A support technician shipped a new phone to a user. The user wants to wirelessly hook the phone up to their car to play music. What will the user need to do to connect to the phone initially?

Answer 26

Paring

Pairing is the process of connecting Bluetooth-capable devices to each o

Question 27

A technician set up a temporary remote site for a construction project. What should the technician do to ensure the networking equipment functions as expected after connecting it?

Answer 27

Test connectivity

Testing connectivity is important to ensure that devices can function as

Question 28

Older cellular devices may not have the capability of installing the Outlook app. However, these devices still have an email application that a user can set up manually. What functionality of Exchange or Office 365 would allow those applications to connect to the email server?

Answer 28

ActiveSync

ActiveSync is a technology that allows email applications to connect to

Question 29

A new phone was shipped out to a user, but it is not connecting to the cellular carrier. The support technician told the user to call *228 to resolve the issue. What would this do to resolve the issue?

Answer 29

PRL

Information that the cellular radio needs to connect to the network is p

Question 30

A small company is looking to manage its devices and email subscriptions under one license per user. What kind of Office license would allow for a Windows license as well as an email license?

Answer 30

Microsoft 365

Microsoft 365 is the subscription that allows for Office application ins