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Cloud Computing > Ch3 Terms > Flashcards

Ch3 Terms Flashcards

1
Q

BIOS

A

Basic Input / Output System

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2
Q

What does BIOS do?

A

BIOS allows a computer to boot up after it is powered on.

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3
Q

UEFI

A

Unified Extensive Firmware Interface

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4
Q

Workload

A

An application or service that consumes resources

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5
Q

Multicore Processor

A

A processor with two or more independant processing units.
• Facilitates Multitasking.

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6
Q

Hyperthreading

A

Creating two Logical Cores for each Physical Core.

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7
Q

Overprovisioning

A

Allocating more Virtual Resources than the Host can provide.

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8
Q

VM

A

Virtual Machine

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9
Q

Are Virtual Machines Logical or Physical?

A

Logical

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10
Q

HAV

A

Hardware Assisted Virtualization

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11
Q

Hardware Assisted Virtualization

A

The capability for Virtualization is built into the processor.

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12
Q

Hypervisor

A

A program that manages the virtual infrastructure

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13
Q

Host

A

The Physical Server

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14
Q

The VMs running on the Host are called _____.

A

Guests

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15
Q

The Hypervisor allows Guests to share…

A

CPU, Memory, Storage, etc

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16
Q

Type 1 Hypervisor

A

Runs directly on Physical Hardware.
Very efficient, secure, and scalable.
(Bare-Metal Hypervisor)

17
Q

Type 2 Hypervisor

A

Depends and Runs on top of a Host OS. More Vulnerable, good for personal use.

18
Q

Why use Virtualization?

A

• Less Resource Waste
• Less Money Wasted

19
Q

vCPU

A

Virtual CPU

20
Q

vCPU’s are allocated from ___.

A

The Host’s pCPU’s.

21
Q

pCPU

A

Physical CPU

22
Q

The CPU Overcommittment Ratio should be determined by _____.

A

The type of workloads being run.
(3:1 vCPU–pCPU is safest.)

23
Q

TPS

A

Transparent Page Sharing

24
Q

Transparent Page Sharing

A

Uses deduplication to combine identical memory pages into a single copy to maintain.
• Improves Host Performance

25
Q

What is a core?

A

A processing unit

Cloud Computing (13 decks)

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