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AWS Exam Study > CloudFront & AWS Global Accelerator > Flashcards

CloudFront & AWS Global Accelerator Flashcards

1
Q

What is a CDN

A

Content Delivery Network

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2
Q
  • Improves read performance, content is cached at the edge
  • 216 Point of Presence globally (edge locations)
  • DDoS protection, integration with Shield, AWS Web Application Firewall
A

AWS CloudFront

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3
Q

A (blank) attack takes place when a bad actor overwhelms a server with malicious internet traffic to prevent legitimate users from accessing
applications, services, and networks

A

DDoS (Distributed Denial of Service)

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4
Q

What are the CloudFront origins?

A

S3 bucket & Custom Origin (HTTP)

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5
Q

Allow users to access content from certain countries

A

Whitelist

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6
Q

Prevent users from accessing content from certain countries

A

Blacklist

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7
Q

Use case: Copyright Laws to control access to content

A

Geo Restriction

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8
Q
  • Global Edge network
  • Files are cached for a TTL (maybe a day)
  • Great for static content that must be available everywhere
A

CloudFront

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9
Q
  • Must be setup for each region you want replication to happen
  • Files are updated in near real-time
  • Read only
  • Great for dynamic content that needs to be available at low-latency in few regions
A

S3 Cross Region Replication

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10
Q

•Allow access to a path, no matter
the origin

• Account wide key-pair, only the root
can manage it

  • Can filter by IP, path, date, expiration
  • Can leverage caching features
A

CloudFront Signed URL

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11
Q
  • Issue a request as the person who (blank)
  • Uses the IAM key of the signing IAM principal
  • Limited lifetime
A

S3 Pre-Signed URL

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12
Q

How can you reduce cost for CloudFront?

A

Reduce the # of edge locations

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13
Q

How many price classes for CloudFront are there? What are they?

A
  1. All
  2. 200
  3. 100
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14
Q

All

What CloudFront price class is this?

A

All regions - best performance

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15
Q

200

What CloudFront price class is this?

A

Most regions, but excludes most expensive regions

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16
Q

100

What CloudFront price class is this?

A

Only the least expensive regions

17
Q

One server holds one IP

A

Unicast IP

18
Q

All servers hold the same IP address and the client is routed to the nearest one

A

Anycast IP

19
Q

The Anycast IP will send traffic directly where?

A

Edge Locations

20
Q

Leverage the AWS internal network to route to your application

A

AWS Global Accelerator

21
Q
  • Improves performance for a wide range of applications over TCP or UDP
  • Proxying packets at the edge to applications running in one or more AWS Regions.
  • Good fit for non-HTTP use cases, such as gaming (UDP), loT (MQTT), or Voice over IP
  • Good for HTTP use cases that require static IP addresses
  • Good for HTTP use cases that required deterministic, fast regional failover
A

AWS Global Accelerator

22
Q

A communications standard that enables application programs and computing devices to exchange messages over a network.

It is designed to send packets across the internet and ensure the successful delivery of data and messages over networks.

A

TCP (Transmission Control Protocol)

23
Q

Used for communication throughout the internet. It is specifically chosen for time-sensitive applications like gaming, playing videos, or Domain Name System lookups

Results in speedier communication because it does not spend time forming a firm connection with the destination before transferring the data

A

UDP (User Datagram Protocol)

24
Q
  • Improves performance for both cacheable content (such as images and videos)
  • Dynamic content (such as API acceleration and dynamic site delivery)
  • Content is served at the edge
A

CloudFront

25
Q

What feature allows you to securely distribute paid content?

A

CloudFront Signed URL

26
Q

A special CloudFront user that you can associate with Amazon S3 origins, so that you can secure all or just some of your S3 content

A

Origin Access Identity (OAI)

27
Q

What should you use when you want to access hundreds (multiple files) of private files served by your CloudFront distribution?

A

CloudFront Signed Cookies

28
Q

AWS Global Accelerator will provide us with what?

A

2 static IP addresses

29
Q

An ALB will provide us with what?

A

HTTP routing rules

30
Q

What CloudFront feature allows you to securely distribute paid content?

A

CloudFront Signed URL

AWS Exam Study (15 decks)

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