Domain 3
You successfully connect your computer to a wireless network available at the local library. Although you can access some websites, you can't access several other websites that you need for your research. Which of the following is the MOST likely cause of this problem? Correct Answer: A proxy server is filtering access to websites. Correct Answer: A firewall is blocking ports 80 and 443. Correct Answer: Port triggering is redirecting traffic to the wrong IP address. Correct Answer: The router has not been configured to perform port forwarding.
A proxy server is filtering access to websites.
Files that you send along with an email message are called __________. Correct Answer: Extras Correct Answer: Attachments Correct Answer: MMS Correct Answer: E-files
Attachments
Which of the following is composed of a file's name; the date it was created; its size; whether the file is read-only, hidden, a system file, or an archive file; and who is allowed to see, edit, compress, and encrypt the file? Correct Answer: Access control Correct Answer: File attributes and permissions Correct Answer: Partition system Correct Answer: File system
File attributes and permissions
Cynthia is part of a team that uses a cloud-based collaboration solution. She is editing a shared spreadsheet when she notices that other people's work is not appearing on her copy. What is the problem in this scenario? Correct Answer: File permissions Correct Answer: Upload maximums Correct Answer: File synchronization Correct Answer: File encryption
File synchronization
Pat has purchased a new piece of design software. After installing the software, she realizes that it's not performing as expected. After an internet search, she finds out that her video card's graphics microchip needs to be updated. What is the software embedded in a microchip called? Correct Answer: Firmware Correct Answer: GUI Correct Answer: Ladder logic Correct Answer: Software
Firmware
Which kind of system software is preinstalled on electronic products like blenders, automobiles, and televisions? Correct Answer: Utility Software Correct Answer: Device Drivers Correct Answer: Firmware Correct Answer: Operating System
Firmware
If a folder exists on an NTFS partition, which permission is needed by a user who needs to set security permissions on the folder? Correct Answer: Full Control Correct Answer: Execute Correct Answer: Read Correct Answer: Write
Full Control
Henry has an older MAC computer running Mac OS 8.1. He needs to format a hard drive to put in this older computer. Which file system would work BEST for this older computer? NTFS HFS+ APFS FAT32
HFS+
Clickable text or images that take you to different sites on the World Wide Web are called __________. Correct Answer: Hyperlinks Correct Answer: Attachments Correct Answer: Navigation buttons Correct Answer: Shortcuts
Hyperlinks
You are using a program that can run multiple operating systems and manage hardware and storage. What are you most likely using? Network Attached Storage Solid State Drive An Embedded OS Hypervisor Type 1
Hypervisor Type 1
Which installation method is most likely to put your computer at risk of downloading a virus? Correct Answer: CD or DVD installation Correct Answer: Software subscription Correct Answer: Internet installation Correct Answer: App store installation
Internet installation
If you select a file on your desktop and delete it, what happens to the file? Correct Answer: It is moved to the Recycle bin and deleted later. Correct Answer: It is immediately deleted and removed from the storage media. Correct Answer: Its filename is removed and it is deleted later. Correct Answer: It is moved to the Recycle bin.
It is moved to the Recycle bin.
Jacob, a system manager, is performing tasks in a command line interface and wants to access the "/usr/local/share/blueskies.bmp" file. Which file system and file type is he trying to access? Jacob is using a Linux operating system; the file type is an image file. Jacob is using a Linux operating system; the file type is an audio file. Jacob is using a Windows operating system; the file type is an audio file. Jacob is using a Windows operating system; the file type is an image file.
Jacob is using a Linux operating system; the file type is an image file.
You want to use an application and are not connected to a network. Which of the following application delivery methods should you choose? Correct Answer: Local installation Correct Answer: Cloud hosting Correct Answer: Network hosting Correct Answer: n-tier application
Local installation
Alex, a system administrator, wants to grant NTFS permissions to a user so they can view and change files but not change permissions. Which of the following permissions should be used? Read & Execute Read Modify Full Control
Modify
Frank has worked for an insurance company for many years. The applications Frank uses are kept on local servers in the office building. Frank's company wants to save on costs and wants to have employees work from home.Which solution can Frank's company use to allow its employees to access the applications they need from anywhere and save on costs? Correct Answer: Move the applications to a cloud-hosted model. Correct Answer: Put the applications on laptops and send the employees home with them. Correct Answer: There is no solution that accomplishes both. Correct Answer: Pay a software company to redesign all their apps and host them for Frank's company.
Move the applications to a cloud-hosted model.
The accounting department needs to be able to share files, such as spreadsheets, that can be accessed by everyone in the department. Which of the following would work BEST to provide a collaborative workspace? Network share Database Sharing local folders Shared external drive
Network share
Dropbox and Microsoft's OneDrive are both popular applications for storing files. What is a fundamental difference between Dropbox and OneDrive? Dropbox is installed by default on Windows systems (starting with Windows 10). OneDrive is installed by default on Windows systems (after Windows 7). Dropbox is available as an Android application and an iPhone application. OneDrive is a cloud-based storage solution.
OneDrive is installed by default on Windows systems (after Windows 7).
What do you call the software that can communicate with a computer's hardware, provides a user interface to accept commands, maintains a filing system, and has built-in security features? Correct Answer: Database Correct Answer: Virus software Correct Answer: Intrusion prevention system Correct Answer: Operating system
Operating system
Which of the following divides a single physical disk into multiple logical drives called volumes? Defragmentation Fragmentation Journaling Partitioning
Partitioning
An IT manager wants to limit the rights of employees whose job is to simply create and modify new database records. What is an access control principle that would help them accomplish this? Correct Answer: Type 1 authentication Correct Answer: Single sign-on Correct Answer: Non-repudiation Correct Answer: Principle of least privilege
Principle of least privilege
The idea that users should only have computer permissions sufficient to perform their job role and no more is called what? Elevated privileges Principle of least privilege Authorization Access control
Principle of least privilege
While using Microsoft PowerPoint to create a company presentation, Jared notices that PowerPoint starts slowing down. Eventually none of the features become accessible and the program will not close. He decides to use Task Manager to stop the program from running. Which operating system management role is Jared using? Correct Answer: Disk management Incorrect response: Device management Correct Answer: Process management Correct Answer: Service management
Process management
After setting up an Internet connection, you cannot connect to Internet websites, just company intranet sites. What is MOST likely the problem? Correct Answer: Proxy settings Correct Answer: Invalid certificate Correct Answer: Browser cache Correct Answer: Private browsing
Proxy settings
A graphic designer is backing up some video files from a Windows desktop to a new 128-gigabytes flash drive. An error message appears indicating that a 6-gigabyte video file cannot be copied due to file size limitations. The graphic designer contacts the company help desk for a solution to the problem. Which of the following would be a solution that the help desk could offer? Reformat the flash drive to use an NTFS file system. Reformat the flash drive to use the FAT32 file system. Reformat the flash drive to use the ext4 file system. Reformat the flash drive to use a MacOS file system.
Reformat the flash drive to use an NTFS file system.
Katy has uninstalled a photo editing application, but an icon still appears on her web browser for the application. Which of the following is the BEST solution for getting rid of the icon? Correct Answer: Clear browsing data and launch a new instance of the browser. Correct Answer: Remove the application add-on in the web browser. Correct Answer: Re-install and then uninstall the application. Correct Answer: Disable the application add-on in the web browser.
Remove the application add-on in the web browser.
Which option should you use to respond to the sender of an email but not all the recipients? Correct Answer: Reply All Correct Answer: Forward Correct Answer: CC Correct Answer: Reply
Reply
Which option should you use to respond to every single person included on an email? Correct Answer: Forward Correct Answer: CC Correct Answer: Reply Correct Answer: Reply All
Reply All
Which of the following provides the ability to control which websites can run client-side scripting in your web browser? Web browser cache Network proxy server Web browser script deactivation Script blocker add-on
Script blocker add-on
Diane has been asked to install an operating system on a computer that's going to host a website and store community files for many users. Which type of operating system should Diane install on this computer? Embedded OS Server OS Mobile OS Workstation OS
Server OS
On Windows, which application lets you add accounts, change passwords, manage power consumption, and personalize your computer's environment? Correct Answer: Finder Correct Answer: Settings Correct Answer: Control Center Correct Answer: Start Menu
Settings
You have just purchased a new keyboard and mouse combo and need to configure them. Where in Windows 10 would you go to do this? Correct Answer: System > Devices Correct Answer: Settings > Personalization Correct Answer: Settings > Devices Correct Answer: System > Personalization
Settings > Devices
Which tool can be used to view memory usage and the amount of memory different processes are currently using on your PC? Task Manager Apps and Features Disk Management Device Manager
Task Manager
What is the name of the narrow strip along the bottom of the Windows environment? Correct Answer: Shortcuts menu Correct Answer: Navigation bar Correct Answer: Taskbar Correct Answer: Toolbar
Taskbar
When composing an email message, why might you want to use the Bcc field? To include extra-long email addresses To include email addresses of newly hired employees To clarify the overall purpose of the message To copy the email confidentially
To copy the email confidentially
The Windows operating system provides several default system folders, including Windows, Program Files, and Users. Which of the following BEST describes why a Windows application would store its user-created files in a Users folder instead of its application folder (under Program Files)? To make sure that file names and file paths are kept secure. To allow executable application files to have a file extension such as .com or .exe. To keep users from accessing and modifying its application files. To make sure that file names and file paths attributes are consistent.
To keep users from accessing and modifying its application files. Correct Answer:
Tom has started the Task Manager tool and sees a process he would like to stop. He has tried many times to stop the process, but the computer keeps asking him to log in as an administrator. What is the problem in this scenario? This is not Tom's computer. Tom needs to elevate his computer rights. The process cannot be stopped. The process is memory-resident.
Tom needs to elevate his computer rights.
Shelley is a marketing representative for an import/export business. Every time she meets with a customer, she uses a custom application installed on her laptop to update the customer account. The updated information is then sent to a company database server that's located in the corporate office. Which of the following is the application architecture model that Shelley is using to update customer information? Two-tier One-tier n-Tier Three-tier
Two-tier
You are replacing your graphics card and want to uninstall the current driver. Which of the following would be the BEST method to uninstall the driver? Correct Answer: Delete the software folder. Correct Answer: Uninstall the software package. Correct Answer: Remove the device from Device Manager. Correct Answer: Remove the device from Control Panel.
Uninstall the software package.
What is junk email? Correct Answer: Another name for webmail applications Correct Answer: Email applications that don't function well Correct Answer: Unwanted, unsolicited email Correct Answer: Poorly worded email drafts
Unwanted, unsolicited email
A user was working on a spreadsheet when the application became unresponsive. After waiting several minutes, the application is still unresponsive. Which of the following is the BEST action for the user to take? Correct Answer: Repair the application Correct Answer: Use Task Manager to end task Correct Answer: Reinstall the application Correct Answer: Continue to wait
Use Task Manager to end task
Disk cleaners, antivirus software, backup tools, and file compressors are which kind of system software? Utility Software Device Drivers Operating System Firmware
Utility Software
When might it be MOST helpful to clear your browser's cache of temporary Internet files? Correct Answer: Immediately after opening a new Microsoft Office document Correct Answer: When a website is not functioning as it should Correct Answer: After every Internet search Correct Answer: When you switch to a different web browser
When a website is not functioning as it should
Email and instant messaging (IM) seem to be very similar. What is the major difference between the two communication systems? Correct Answer: Email is much faster. Correct Answer: With instant messaging, you and the message recipient are logged into the same sever. Correct Answer: With email, you and the message recipient are logged into the same server. Correct Answer: With instant messaging, you and the message recipient are logged into different servers.
With instant messaging, you and the message recipient are logged into the same sever.
Which of the following applications can be used for storing, modifying, extracting, and searching data? Conferencing software Presentation software Database software Word processing software
Word processing software
Christian has logged onto his bank's website. He wants to pay some bills electronically and transfer funds to his savings account. He checks to see if the padlock icon is visible in the address bar. The padlock is there, and it is green. What does that indicate? Correct Answer: The certificate is pending, but you should trust it anyway. Correct Answer: The green color has no meaning. Correct Answer: A highly trusted certificate. Correct Answer: You should not trust a green padlock.
A highly trusted certificate.
Julie, a marketing researcher, uses her browser frequently to gather data from a variety of websites. Because many of these websites include pop-windows that can be annoying, Julie has set her pop-up blocker to block all pop-up windows. However, there are pop-up windows for a critical marketing research website that Julie needs to have displayed. What is the BEST solution to make sure the marketing research website pop-up windows are not blocked? Correct Answer: Use another marketing research website that does not have pop-up windows. Correct Answer: Add a pop-up blocker exception for the marketing research website. Correct Answer: Install another web browser and only use it for the marketing research website. Correct Answer: Deselect the Block Pop-Up Windows option in the web browser.
Add a pop-up blocker exception for the marketing research website.
Robert is looking for software that will help him organize tasks and deadlines for his marketing team projects. Which of the following software types will MOST effectively provide the tools that Robert needs? Productivity software Business software Networking software Collaboration software
Business software
Which kind of system software tells the computer how to communicate with peripherals, such as a printer or scanner? Correct Answer: Utility software Correct Answer: Operating System Correct Answer: Firmware Correct Answer: Device drivers
Device drivers
Which of the following are web browsers? (Select two.) Google Chrome Mozilla Firefox Google Microsoft Visio Bing
Google Chrome Mozilla Firefox
Jessica has connected her new printer to her Windows 10 computer, but Windows is not recognizing it. What should she do? Correct Answer: Power cycle the printer Correct Answer: Install the latest driver Correct Answer: Restart Windows Correct Answer: Reset the USB cable
Install the latest driver
Which of the following Application Architecture Model tiers describes office productivity software? Three Tier n-Tier One Tier Two Tier
One Tier
Which category of system software provides a platform for application software to run on? Correct Answer: Utility Software Correct Answer: Device Drivers Correct Answer: Firmware Correct Answer: Operating System
Operating System
Lorraine, a user, connects a new mouse to a laptop, and the mouse works with no additional steps taken. Which of the following installation types does this BEST describe? Web based Plug-and-play Hot-swappable Manual
Plug-and-play
A pop-up blocker is a web browser feature that _________________. censors Internet searches prevents color images from being displayed keeps the window in a minimized state prevents unwanted advertisements
prevents unwanted advertisements
Sam has installed a new software game onto his computer. He reads on the internet that if he updates his video card driver software, the game will perform better. He installs the latest driver for his video card, but after installing the driver, it causes other problems on his computer. What is the simplest way Sam can fix this issue? Perform a firmware update to his video card. Uninstall the driver manually. Use the Roll Back Driver button in his video cards properties. Delete the new game.
use the Roll Back Driver button in his video cards properties.
What of the following is a reserved character in the ext4 file system? Correct Answer: / Correct Answer: : Correct Answer: | Correct Answer: ?
/
Sally is trying to name a folder "Student Grades/1st Period". She keeps getting an error message that reads "The file name cannot contain these characters.". What is wrong with her folder name choice? Correct Answer: The space between "Student" and "Grades" is not allowed. Correct Answer: / is a reserved character. Correct Answer: The number 1 is not allowed; it must be changed to an alpha character. Correct Answer: The name must be in lowercase characters.
/ is a reserved character.
Which of the following indicates that a website is using a valid digital certificate to secure the website and encrypt data? A padlock symbol is displayed to the left of the URL in the address bar. The web browser is updated to the latest version. The URL starts with "https" instead of "http". There are no pop-up windows that appear when you access the website.
A padlock symbol is displayed to the left of the URL in the address bar.
Alice is an architect for a large design company. She spends most of her day working in a software program called AutoCAD. What do we call this type of software program? Correct Answer: Collaboration software Correct Answer: Cloud-based solution Correct Answer: Productivity application Correct Answer: Business-specific application
Business-specific application
What is the name of the large background area of the Windows environment that holds icons for files, folders, and applications? Background Desktop Home Screen Window
Desktop
You are vacationing at a friend's cabin on the lake and using the office computer to complete some work-related tasks using a web browser. The browser keeps slowing down after a few minutes of use. You check for extensions (add-ons) and notice that there are several listed. Knowing that extensions can slow down a browser, what should you do to speed up the web browser processing time? Correct Answer: Disable several of the extensions. Correct Answer: Uninstall the web browser and re-install it. Correct Answer: Uninstall several of the extensions. Correct Answer: Remove several of the extensions.
Disable several of the extensions.
Which permission option lets a user view files but not change them? Correct Answer: Read Correct Answer: Administrator Correct Answer: Read/Write Correct Answer: Owner
READ
Which of the following lines will initiate an Internet search from the address bar of a web browser? microsoft gov microsoft.com microsoft.org testout.com
microsoft gov
Which of the following BEST describes the file "/Users/Hannah/Rivers.js"? Correct Answer: "Rivers.js" is an executable file in the "/Users/Hannah/" subfolder. Correct Answer: "Rivers.js" is an executable file with a "/Users/Hannah/Rivers.js" filename. Correct Answer: It's an image file with a "/Users/Hannah/Rivers.js" filename. Correct Answer: "Rivers.js" is an image file in the "/Users/Hannah/" subfolder.
"Rivers.js" is an executable file in the "/Users/Hannah/" subfolder.
Which of the following file extensions indicates a compressed file? Correct Answer: .wma Correct Answer: .run Correct Answer: .js Correct Answer: .tar
.tar
After working for a large corporate company for years, Tom has decided to start his own consulting company. He has hired a few people and has a list of loyal customers. He realizes he's going to need some software tools to help him run his new company efficiently. He needs software that can process orders, do business accounting, and run his payroll. He also needs software to organize sales leads and contacts. Which category of software should he look for? Project management software Database software Accounting and commercial software Publishing software
Accounting and commercial software
Which type of software is the Microsoft Edge web browser? Correct Answer: Operating system Correct Answer: Command line interface Correct Answer: System software Correct Answer: Application software
Application software
You sign up for an online class at the local community college. The course is all web based. You open your favorite browser to enter the class portal, and you get a message "Use one of these browsers." What is the problem? Correct Answer: Browser compatibility. Correct Answer: You typed the URL wrong. Correct Answer: You need to make a secure connection. Correct Answer: The class has not started yet.
Browser compatibility.
Hannah is the manager of a successful Thai cuisine restaurant. It's November and Hannah wants to begin reviewing salary expenses for the year. She decides to generate a payroll report for all her employees. Which of the following types of business software could easily provide Hannah with the report she needs? Database software Business accounting software Spreadsheet software Project management software
Business accounting software
Caitlin has saved a bluehill.jpg file in a Vacation subfolder on the internal C: hard drive of her Windows 10 laptop. Which of the following is a valid path to the subfolder and file? C:\photos\Vacation/bluehill.jpg C:/photos/Vacation/bluehill.jpg C:\Caitlin\photos\Vacation\bluehill.jpg C:Caitlin\photos\Vacation\bluehill.jpg
C:\Caitlin\photos\Vacation\bluehill.jpg
Which installation method often requires you to immediately install updates from the Internet after installation is complete? App Store installation Internet installation CD or DVD installation Software subscription
CD or DVD installation
Web browsers save website information in their _________, which helps the site load faster on future visits. Correct Answer: Repository Correct Answer: Memory Correct Answer: Storage Correct Answer: Cache
Cache
Which of the following describes an entity that issues digital certificates to certify the ownership of a public key? Data Encryption Standard (DES) Public Key Infrastructure (PKI) Root certificate Certificate Authority (CA)
Certificate Authority (CA)
Small files that a website saves on your computer to remember your preferences are called ______________. Correct Answer: Cookies Correct Answer: Reminders Correct Answer: Malware Correct Answer: Fingerprints
Cookies
Which of the following file system features uses a change log to track file changes in the file system? Compression Encryption Journaling Permissions
Correct Answer: Journaling
Which of the following is the BEST example of using an application that is locally installed without network access? Creating a PowerPoint presentation for a team meeting. Accessing a company folder through a VPN application. Viewing the latest email in your Outlook Inbox. Writing a letter using the Google Docs application.
Creating a PowerPoint presentation for a team meeting.
While editing a report in Google Docs, April receives a web browser error message that there's a conflict with a Google add-on that she frequently uses. Which of the following is the BEST solution for April to resolve the error message issue and continue editing the report? Correct Answer: Open the report in another web browser instance using a bookmark. Correct Answer: Disable the add-on while editing the report. Correct Answer: Switch to another web browser. Correct Answer: Remove the add-on and then continue editing.
Disable the add-on while editing the report.
Which of the following runs exclusively from the cloud, relying on cloud technologies? (Select two.) Correct Answer: Adobe Photoshop Correct Answer: Dropbox Correct Answer: Microsoft Word Correct Answer: Google Drive Correct Answer: Adobe Acrobat Reader
Dropbox Google Drive
Which of the following software types would be considered collaboration software? Database software Word processing software Email client software Project management software
Email client software
Frank has purchased a new smart TV. The new TV has the capability of streaming content over the internet. This is possible because Frank's new TV has which type of operating system? Correct Answer: Mobile OS Correct Answer: Embedded OS Correct Answer: Workstation OS Correct Answer: Server OS
Embedded OS
.exe, .msi, .app, .bat, .cmd, .vbs, .js, and .ps1 extensions are examples of what kind of files? Video files Text files Music files c
Executable files
In your Pictures folder, you have a file named "BlueSkies:Pacific-3.png". Which file system are you using? NTFS Ext4 HFS+ FAT32
Ext4
Ben wants to format his flash drive so it can be read on many types of devices, such as game consoles and different desktop computers running different operating systems. Which file system should he format his flash drive to so it can be used this way? Correct Answer: NTFS Correct Answer: Ext4 Correct Answer: FAT32 Correct Answer: exFAT
FAT32
Timothy is using a computer that's running a Windows OS. He wants to rename a file on his local hard drive. Which of the following tools should he use? Correct Answer: Task Manager Correct Answer: File Explorer Correct Answer: Device Manager Correct Answer: Windows Settings
File Explorer
Designations at the end of file names such as .docx and .html are called _____________. File permissions File properties File extensions File domains
File extensions
Tom has a 7-gigabyte file he wants to put on a 16-gigabyte flash drive. To be able place this large file on the flash drive, what must Tom do to this flash drive first? Format the flash drive to FAT32. Format the flash drive to FAT16. Format the flash drive to NTFS. Re-partition the flash drive.
Format the flash drive to NTFS.
Which option should you choose to send an email you've received to a new person? Correct Answer: CC Correct Answer: Forward Correct Answer: Reply All Correct Answer: Reply
Forward
Which of the following is NOT an example of an operating system? Correct Answer: Microsoft Correct Answer: Windows Correct Answer: Linux Correct Answer: Android
Microsoft
Modern smartphones are amazing devices. They have more computing power than the computers that put a man on the moon in 1969. Which type of operating system do they run? Workstation OS Embedded OS Server OS Mobile OS
Mobile OS
Christopher is surfing the web and sees an amazing offer for a product he's interested in. He clicks the link and begins the process of purchasing the item. While he is proceeding with the purchase, he notices that the address bar is a maroon color. Should he proceed with putting in private information and purchasing the item from this site? Correct Answer: No, he needs to create a user account first. Correct Answer: No, the maroon color indicates an invalid certificate. Correct Answer: Yes, maroon is a trusted certificate. Correct Answer: Yes, maroon means a pending certificate.
No, the maroon color indicates an invalid certificate.
In most operating systems, what is a running application called? Correct Answer: Module Correct Answer: Task Correct Answer: Service Correct Answer: Process
Process
While browsing the Internet on a Windows 10 workstation, the Internet Explorer browser window hangs and stops responding. Which Task Manager tab would you use to end Internet Explorer? (Select two.) Details Services Startup Performance Processes
Processes Details
Processes are programs that run automatically in the background. Which type of process (program) is Windows Task Scheduler? Device manager Service Cron job Application
Service
Henry has started his own business. He wants to track daily and monthly sales. Which software could he use to efficiently manage data and perform formula calculations? Text editing software Spreadsheet software Database software Imaging software
Spreadsheet software
What is the name of the menu in the bottom left corner of the Windows environment? Correct Answer: Windows Menu Correct Answer: Start Menu Correct Answer: Main Menu Correct Answer: Command Prompt
Start Menu
Which of the following operating systems require a file extension to execute a program? Correct Answer: Windows Correct Answer: Linux Correct Answer: Android Correct Answer: MAC OS
Windows
Which of the following describes the firmware in gaming consoles, TVs, and smart cars? Graphical User Interface Device management Embedded OS Access control
Embedded OS
Diane has a few files on her computer that she does not want anyone to read. She has placed strict file permissions on them, which will help accomplish this goal. Which other security feature could she use to guarantee no one else can read these files? Correct Answer: Compression Correct Answer: Encryption Correct Answer: Hide Correct Answer: Zip
Encryption
Besides entering a URL to go directly to a website, what else can you enter in a browser address bar to explore the internet? Correct Answer: Enter the filename of a file on your local hard drive to view the file. Correct Answer: Enter a package tracking number to find out a package status. Correct Answer: Enter a MAC address to find out which device it is assigned to. Correct Answer: Enter one or more search terms for a topic.
Enter one or more search terms for a topic.
