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AWS Cloud Architect, 8/16/21 > AWS Quest 1 Level 1 > Flashcards

AWS Quest 1 Level 1 Flashcards

1
Q

What does AWS stand for?

A

Amazon Web Services

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2
Q

What is AWS?

A

a comprehensive Cloud Platform delivering on demand, online technology services

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3
Q

What is a datacenter?

A

a building or space dedicated to housing many computers

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4
Q

What are the benefits of a Cloud?

A
  1. reduced responsibility
  2. decentralized
  3. increased speed and agility
  4. we no longer have to guess capacity
  5. cost benefit
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5
Q

What is IaaS?

A

Infrastructure as a Service

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6
Q

What is PaaS?

A

Platform as a Service

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7
Q

What is SaaS?

A

Software as a Service

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8
Q

How does IaaS work?

A

AWS manages the physical hardware, you control everything else
All you get is the space and an Operating System

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9
Q

How does PaaS work?

A

Standard software is provided and configured as needed

You don’t have access to the infrastructure

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10
Q

How does SaaS work?

A

Pre-packaged software is provided as-is by vendors.

You get a completed software product, run and managed by the service provider.

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11
Q

What are the three types of Cloud Computing Deployment Models?

A
  1. On-Premises (Private Cloud)
  2. Cloud (Public Cloud)
  3. Hybrid (deployment between the Cloud and existing on-premises infrastructure
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12
Q

What is Cache?

A

It is a method of reducing load times.
Since a webpage has alot of information, some of it is stored locally on the hard drive. This allows the webpage to load faster on the next time it is used.

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13
Q

What does CDN stand for?

A

Content Delivery Network

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14
Q

What does a CDN do?

A

it caches content (such as images, videos, or webpages) in proxy servers that are located closer to end users than origin servers

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15
Q

What is a cache hit?

A

it is when a client device makes a request to the cache for content, and the cache has that content saved

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16
Q

what is a cache miss?

A

it is when the cache does not have the requested content

17
Q

What does AWS offer for IaaS?

A

hardware and limited systems

18
Q

What does AWS offer to PaaS?

A

hardware and additional services

19
Q

What does AWS offer for SaaS

A

complete website care

20
Q

What is “on-premises” cloud?

A

your home unit.

you own the hardware, software, you do the updates, you maintain security

21
Q

What is “hybrid” cloud?

A

you rent space on a cloud.

you maintain all of your “on-premises” stuff, but now you have a little part of AWS to help you out

22
Q

What is “cloud”?

A

the host handles most of your needs.

but you still own and run the web application

23
Q

What is a “region”?

A

a separate geographical area

24
Q

what is an Availability Zone?

A

AZs are multiple isolated locations within each region

25
Q

what do Local Zones provide you?

A

LZs provide you the ability to place resources, such as compute and storage, in multiple locations closer to your end users

26
Q

what are Edge Locations (or Points of Presence)?

A

these are locations between regions that provide as a Content Delivery Network (CDN), or caches, so that content is closer to users in areas that are far from regions

27
Q

what are two advantages of placing your instances in multiple availability zones?

A
  1. your instance continues to be available in case of a failure in the primary Availability Zone
  2. you can use elastic IP addresses to make instances appear to come from the primary Availability Zone
28
Q

where should you place your instances (two answers)?

A
  1. in Availability Zones that are closer to your customers or
  2. in zones that ensure that you are in compliance with the law
29
Q

what is a Local Zone?

A

an extension of an AWS Region

LZs are placed in densely populated areas and are only available if you opt-in for them

30
Q

what do Wavelength Zones enable?

A

enables developers to build applications that deliver ultra-low latencies to mobile devices and end users.

31
Q

what is an AWS Outpost?

A

it is a fully managed service that extends AWS infrastructure, services, APIs, and tools to customer premises
it is a pool of AWS compute and storage capacity deployed at a customer site. AWS operates, monitors, and manages this capacity as part of an AWS region

32
Q

what is a Network Line?

A

a telecommunications cable owned by a company

AWS Cloud Architect, 8/16/21 (18 decks)

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