Google Technical Support - Weeks I, II, III

Question 1

3 Major Operating Systems

Answer 1

1. Windows
2. Mac
3. Linux

Question 2

4 Main Parts of a Kernel

Answer 2

1. Process Manager
2. Memory Manager
3. File Manager
4. I/O Manager

Question 3

5 Components of Boot Up

Answer 3

• Power on
• POST
• Boot Devices loaded in Boot Order
• Bootloader loads OS
• System and User Space processes launched

Question 4

APFS (def & 2 main attributes)

Answer 4

Mac OS major file system

• optimized for flash and solid-state drive storage
• primary focus on encryption

Question 5

BASH (acronym & 1 attribute)

Answer 5

Bourne Again SHell; most common shell

Question 6

BIOS/UEFI

Answer 6

Low level software that initializes our computers hardware to make sure everything is running properly during the system boot

Question 7

Boot Order

Answer 7

order in which devices are checked on startup

Question 8

Boot Devices

Answer 8

devices that are attached to our system (USB drives, hard drives, etc) and are loaded in a certain order on startup

Question 9

Boot Loader

Answer 9

a small program on a device that loads its operating system

Question 10

Chrome OS

Answer 10

Linux based operating system; built around/designed to optimize web browsing

Question 11

Data Block

Answer 11

the form data is saved to on the hard drive; easier and faster to retrieve than one long string; allows optimization of storage space

Question 12

ext4

Answer 12

Standard file system for Linux (can vary with different distributions)

Question 13

File Data Storage

Answer 13

Data is segmented and saved to the hard drive in data blocks

Question 14

3 Main Components of an OS File Manager

Answer 14

• File Data
• Metadata
• Filesystem

Question 15

File System

Answer 15

How OS keeps track of files; different OS have different, often incompatible, file systems

Question 16

Finder

Answer 16

Mac OS file manager (not to be confused with its file system APFS)

Question 17

I/O Devices (synonym)

Answer 17

Peripherals

Question 18

I/O Manager

Answer 18

manages data I/O between computer and devices as well as intercommunication between devices

Question 19

Kernel

Answer 19

Main core of an operating system; talks directly to hardware and manages system’s resources

Question 20

Linux

Answer 20

an open source kernel that many developers, worldwide, have built Operating Systems on

Question 21

Linux Distribution (def & 2 examples)

Answer 21

An operating system built using a Linux kernel

• Ubuntu (desktop)
• Android OS (mobile)

Question 22

Logs

Answer 22

Files that record system events on our computer

Question 23

Mac OS

Answer 23

Apple’s Operating System

Question 24

Memory Manager

Answer 24

Optimizes memory usage; makes sure there’s enough memory for programs to run

Question 25

Metadata (def and 3 examples)

Answer 25

Information about a file such as: * author * last modified * file extension * etc.

Question 26

MSI (definition)

Answer 26

Installer package file format used by Windows; used for installation, storage, and removal of programs

Question 27

MSI files (acronym)

Answer 27

Microsoft Installer files; now Windows Installer

Question 28

MTSC.exe (acronym)

Answer 28

Microsoft terminal services client

Question 29

mtsc.exe (definition and use)

Answer 29

a client program used to create Remote Desktop Protocol (RDP) connections to remote computers

Question 30

NTFS (def & 1 attribute)

Answer 30

Windows' major file system * is supported by Linux

Question 31

Open Source (def)

Answer 31

free to share, modify, and distribute

Question 32

Operating System

Answer 32

A package of programs that manage a computer's resources and allow interaction with the computer

Question 33

Pages

Answer 33

Data stored as chunks in virtual memory

Question 34

Plink (acronym)

Answer 34

PuTTY Link

Question 35

Plink (definition and use)

Answer 35

makes remote SSH connections from the command line; good for connecting a Windows system to a remote, Linux-based OS

Question 36

Port 22

Answer 36

Default SSH Port

Question 37

POST (acronym)

Answer 37

Power On Self Test

Question 38

POST (def)

Answer 38

a series of diagnostic tests run on startup to make sure computer is in proper working order

Question 39

Process

Answer 39

A program that's excecuting; 1 program can have multiple processes running (ex. browser windows)

Question 40

Process Manager

Answer 40

creates processes, efficiently schedules them, and manages how processes are terminated

Question 41

PuTTY

Answer 41

free, open source software for making remote connections through several network protocols, including SSH

Question 42

Qwiklabs

Answer 42

Online learning environment that simulates real-world IT Support scenarios

Question 43

RDP (acronym)

Answer 43

Remote Desktop Protocol

Question 44

Remote Connection

Answer 44

Allows management of multiple machines from anywhere in the word

Question 45

Secure Shell (definition)

Answer 45

a protocol implemented by other programs to securely access one computer from another

Question 46

program that interprets text commands sent via the CLI and sends them to the OS to execute

Answer 46

Shell

Question 47

SSH (Acronym)

Answer 47

Secure shell

Question 48

SSH client

Answer 48

connects to another machine remotely

Question 49

SSH server

Answer 49

a background program that authenticates client requests on a remote machine

Question 50

Swap Space

Answer 50

Space allocated on hard drive for virtual memory

Question 51

Time Slice

Answer 51

A very short interval of time allocated to a process for CPU execution

Question 52

touch

Answer 52

Linux bash command to create a file

Question 53

User Space

Answer 53

Parts of the operating system that people directly interact with; applications

Question 54

Virtual Memory

Answer 54

Combination of hard drive space and RAM that works as memory for executing processes; storage for rarely used features of programs

Question 55

VM (acronym & def)

Answer 55

Virtual Machine; an application that installs and runs a copy of OS on your computer

Question 56

VPN (acronym)

Answer 56

Virtual Private Network

Question 57

VPN (definition)

Answer 57

Allows access to a private network over the internet

Question 58

What are two things needed to log in to a remote machine?

Answer 58

an account on the remote computer and its IP address