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AWS_Developer_Path August21 > Networking > Flashcards

Networking Flashcards

1
Q

Networking falls under this Pillar of AWS

A

Content Delivery

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2
Q

Allows you to define and provision an isolated network for your AWS resources

A

Amazon VPC

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3
Q

Service that connect VPCs and on-premise networks

A

AWS Transit Gateway

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4
Q

Provides private connectivity between VPCs and on-premise applications

A

AWS Private Link

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5
Q

Allows you to host your own managed DNS.

A

Route 53

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6
Q

Automatic distribution of network traffic across a pool of resources

A

Elastic Load Balancing

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7
Q

Directs traffic through the AWS global network to improve global application performance.

A

AWS Global Accelerator

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8
Q

Allows you to securely deliver data, videos, and applications to customers globally with low latency and high transfer speeds.

A

Amazon CloudFront

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9
Q

Bridge between your computer and the technology used to connect to other computers

A

Network Interface.

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10
Q

How do you configure a network

A

Set up an IP Address Range,

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11
Q

What analogy is good to use for an IP Address Range.

A

Gated Community

Computers can only talk to other computers in the same community

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12
Q

Typical local network gives us 4 sets of numbers 0 to 254 separated by a . (dot)

A

IP version 4

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13
Q

Service that converts words - acloud.guru into an IP address

A

DNS

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14
Q

A kind of database that IP addresses map to which domains

A

DNS

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15
Q

You need this when you create a record or mapping between IP address and domain names

A

Routing Policy

Determines where a user is directed when they try to access your website via the domain name.

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16
Q

Route 53 will reply with the IP address of your web server

A

Simple Routing Policy

17
Q

Policy where you can provide multiple IP addresses to spread your load to.

A

Weighted

18
Q

The weight determines h determines this

A

How much priority an IP address gets versus another.

19
Q

How is the weight represented in numbers

A

between zero and 255

20
Q

Zero weight

A

No traffic

21
Q

If you have 3 IP addresses weighted at 100 each

A

Traffic will be spread evenly among them

22
Q

Allows you to reply with a certain IP address depending on where in the world the request is coming from

A

Geolocation Policy

23
Q

Replies with the IP address of AWS resource that have the lowest latency, or the fastest response time to the user,

A

Latency Policy

24
Q

You have the ability to point traffic at a single IP address, say a server that hosts your website, but if that server goes offline

A

Failover policy

25
Q

This will point your website somewhere else route 53 does the detection if primary is online or not and point users to this

A

Failover Target

26
Q

Replies with multiple, healthy values for the domain that gets queried

A

Multivalue Answer policy

27
Q

These numbers: 10, 172, dot 16 to 3`1 or 192 dot 68

A

For private networks

28
Q

Allows you to create a virtual network for your AWS services to exist in a local IP address range, using a local network.

A

Virtual Private Cloud

29
Q

You need this if you want your virtual machines to access the internet

A

NAT Gateway

30
Q

You need this to access your EC2 instances via the internet

A

Internet Gateway

31
Q

This controls which traffic is allowed into and out of your VPC network

A

Access Control Lists

ACL

32
Q

Service that delivers data, videos, applications and websites to customers globally with low latency and high transfer speeds.

A

CloudFront

33
Q

Locations around the word where they can serve your website with CloudFront

A

Edge Locations

34
Q

How does CloudFront Work

A

When a client requests something from your website, it actually accesses CloudFront first and CloudFront automatically redirects the request of the file that you want to the nearest edge location.

35
Q

How long are files stored at an edge location

A

For a period of time specified by you.

36
Q

CloudFront feature that gives you the ability to run your Lambda code at these edge locations instead of back in the region you operate in.

A

Lambda at Egde

37
Q

The advantage of Lambda at Edge

A

Reduces latency and improves performance massively keeping your compute closer to the users requesting it,

38
Q

The pricing model of CloudFront

A

Pay as you go pricing with no minimum fees.

39
Q

Amazon’s content delivery network that speeds up your website, secures it and protects it

A

Amazon CloudFront

AWS_Developer_Path August21 (13 decks)

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