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Google IT Courses 3 and 4 Review

  •  English    21     Public
    used to review conversational matieral about windows and linux OSs and system admin functions
  •   Study   Slideshow
  • What do we call the 'beginning' of all file directories in Windows and Linux? a:base directory b:root directory c:bottom directory d:main directory
    B: the root directory is the original path that all files stem from. In windows, this is usually written with a letter (example: 'C:\") and in Linux it is "/"
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  • What is the difference between a program and a process?
    A program is a set of instructions, and a process is just once instance of one instruction running. (a program is made of many processes, over time)
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  • what does it mean if you type "sudo" at the beginning of a bash command?
    stands for "superuser do"; allows you higher admin authority
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  • What is the most common file system found on hard drives in machines running Windows: Fat32, exFAT, or NTFS?
    NTFS is the most common file system for Windows machines today
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  • What is the tool 7zip commonly used for?
    7zip is a popular open source software used to extract zip files in Windows OS
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  • What is the term used when you install a mobile app to the phone/tablet manually, without going through the app store/ google play? a:instant loading b:side loading c: back loading
    b: side loading
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  • What does it mean if a software package has dependencies? (in any OS)
    This means that the software requires other programs to be loaded beforehand, since running it's code requires the use of another code.
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  • What is a driver?
    A driver is a specific software (usually automatically) installed to make sure a piece of hardware can communicate with the rest of the system
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  • what is one pro and one con of using cloud services?
    pros: fast and easy to arrange, often cost effective, keep data accessible. cons: may be hacked, hard to export, require internet
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  • what makes a server computer physically different than a single user desktop?
    server computers often hve multiple hard drives, power supplies, and processors. they also run unique OSs
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  • decribe what a VPN is and when you would want to use one
    "a private tunnel through public internet"; normally your ISP receives the request and redirects you. But with VPN,you go through a remote server
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  • What does it mean to 'PXE boot' a computer?
    Preboot execution environment (PXE), pronounced pixie, is a set of standards that enables a computer to load an operating system (OS) over a network connection
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  • What is the point of using a load balancer?
    to distibute traffic evenly/ in more optimal way across multiple servers, to avoid server overload.
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  • If you receive an html error code beginning with 4, is the error on the client side or the server side?
    error codes beginning with 4 indicate error on the client side; codes beginning with 5 indicate error on the server side
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  • what does it mean to "image" a machine?
    to copy an "image" of one computer onto another (including OS, apps, configurations, settings,etc)
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  • what are important parts of a disaster recovery plan?
    a good plan can efficiently manage a data loss scenario; this includes preventative measures(redundancy), detection measures (alerts) and restorative measures
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