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CompTIA A+ > 1102 1.9 OS Installation and Upgrades > Flashcards

1102 1.9 OS Installation and Upgrades Flashcards

1
Q

What is the purpose of an Operating System (OS)?

A

An OS manages hardware and software resources, providing a user interface and platform for applications.

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2
Q

Name common types of operating systems.

A

Windows, macOS, Linux, Android, iOS.

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3
Q

What is a USB boot method used for?

A

A USB boot method is used to start an OS installation from a USB drive.

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4
Q

What is PXE in OS installations?

A

PXE (Preboot Execution Environment) allows OS installation over a network.

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5
Q

How does a clean install differ from an upgrade?

A

A clean install erases all data and installs a fresh OS, while an upgrade retains data and apps.

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6
Q

What is a recovery partition?

A

A recovery partition is a reserved section of a drive used to reinstall or repair an OS without external media.

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7
Q

What is an image deployment in OS installation?

A

Image deployment copies a pre-configured OS setup to multiple computers, often used in large environments.

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8
Q

What is a repair installation?

A

A repair installation refreshes the OS files without removing user data or applications.

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9
Q

What is a GUID Partition Table (GPT)?

A

GPT is a partitioning system that supports up to 128 partitions and large drives (up to 9 billion TB).

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10
Q

What is a Master Boot Record (MBR)?

A

MBR is an older partitioning system limited to 4 primary partitions and 2 TB of drive space.

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11
Q

What is a quick format in Windows installations?

A

A quick format sets up a file table without fully overwriting the data on the drive, allowing possible data recovery.

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12
Q

What is a full format?

A

A full format erases all data on a drive by writing zeros to every sector, making data recovery impossible.

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13
Q

What are feature updates in an OS?

A

Feature updates provide new capabilities, security patches, and bug fixes for the operating system.

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14
Q

What is UEFI and how does it relate to OS installation?

A

UEFI (Unified Extensible Firmware Interface) is a modern BIOS that supports GPT partitions for OS installations.

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15
Q

What is backward compatibility in OS upgrades?

A

Backward compatibility ensures older applications and drivers work with the updated OS version.

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16
Q

Why is hardware compatibility important for OS upgrades?

A

Ensuring hardware compatibility prevents issues with device drivers and performance after an OS upgrade.

17
Q

What is an external/hot-swappable drive used for in OS installations?

A

It allows an OS to be installed or booted from an external storage device connected via USB or similar.

18
Q

What are the benefits of performing a remote network installation?

A

It allows centralized OS deployment without needing physical media for each computer.

19
Q

What is the purpose of third-party drivers during OS installation?

A

Third-party drivers ensure compatibility with specific hardware not natively supported by the OS.

20
Q

What should be backed up before an OS upgrade?

A

User files, preferences, and important data should be backed up to prevent data loss.

21
Q

What is the purpose of partitioning a drive during OS installation?

A

Partitioning separates sections of a drive to store the OS or organize data files.

22
Q

How does an internet-based OS installation work?

A

The OS installation files are downloaded directly from the internet during the installation process.

23
Q

What is a bootable USB drive?

A

A bootable USB drive contains OS installation files and allows the system to start from the USB.

24
Q

What are the limitations of MBR partitioning?

A

MBR supports only 4 primary partitions and a maximum drive size of 2 TB.

25
Q

Why might you choose a GPT partition over MBR?

A

GPT allows for more partitions (up to 128) and supports larger drives, making it more flexible than MBR.

26
Q

What is the product life cycle in an OS context?

A

It refers to the period an OS is actively supported with updates and security patches by the manufacturer.

27
Q

What are common installation media types for an OS?

A

USB drives, optical media (CD/DVD), SSDs, and network installations.

28
Q

What is a PXE boot used for?

A

PXE boots a system from the network to install or load an OS without local media.

29
Q

What is the difference between a quick format and a full format during installation?

A

A quick format only sets up a new file table, while a full format erases all data on the drive.

30
Q

What is application and driver backward compatibility during an OS upgrade?

A

Ensuring that older software and drivers work with the new OS version.

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