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AWS - Solution Architect (Associate) > Intro, Products, Architecture > Flashcards

Intro, Products, Architecture Flashcards

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1
Q

What technology lies at the core of all cloud computing operations?

A

Virtualization

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2
Q

What are the three features of cloud computing optimization?

A
  1. Scalability
  2. Elasticity
  3. Cost Management
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3
Q

How does AWS meet scalability requirements?

A

Rescources automatically added to meet demand as it increases.

Add more VMs if dynamiucally

AWS provides Auto Scaling for this purpose

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4
Q

What is the difference between scalability and elasticity in AWS?

A

Scalability - add resources as demand increases

Elastciity - same as scalability but reduce resources again when demand drops, saving money.

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5
Q

How does AWS cost management differ from a traditional network environment?

A

More opex than capex expenditure

Don’t require large upfront costs

No costs for electricity, cooling, DC space

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6
Q

How can you understand the full impact of AWS cloud spending?

A

AWS Total Cost of Ownership calculator

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7
Q

What are the 6 AWS service categories services fall into?

A
  1. Compute
  2. Storage
  3. Networking
  4. Database
  5. Application Management
  6. Security and Identity
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8
Q

What are the 5 main AWS Compute services?

A
  1. EC2
  2. Lambda
  3. Auto Scaling
  4. Elastic Load Balancing
  5. Elastic Beanstalk
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9
Q

What is an AWS EC2 instance?

A
  1. Virtual Machine of any OS
  2. Provisioned with CPU, memory & storage
  3. Almost instant deployment
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10
Q

What is AWS Lambda?

A

Serverless Aplication Architecture

Run code based on event / trigger

Can currently run for up to 15 minutes

All rescources used are then returned to pool

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11
Q

What is AWS Auto Scaling?

A

Copies of EC2 instances can be defined as image templates

Automatically launched to meet increased demand

Terminated to meet reduced demand

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12
Q

What is AWS Elastic Load Balancing?

A

Load balancing of web traffic accross multiple web servers

No single point of failure

Traffic not directed to failed servers

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13
Q

What is AWS Elastic Beanstalk?

A

Managed service

Abstracts provisioning of AWS compute, networking infra

Just push application codes, Elastic Beanstalk manages all background services

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14
Q

What are the 4 main AWS networking services?

A
  1. VPC
  2. Direct Connect
  3. Route 53
  4. CloudFront
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15
Q

What is an AWS VPC?

A

Virtual Private Cloud

Highly configurable networking environment for EC2 & RDS instances

Can be controlled or isolated by controlling inbound / outbound comms

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16
Q

What is AWS Direct Connect?

A

Enhanced direct tunnel between office / DC and AWS based VPCs

Provided by third party providers

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17
Q

What is AWS Route 53?

A

AWS DNS Service

Manage domain registrations, record administration, health checks

Fully integrated with rest of AWS resources

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18
Q

What is AWS CloudFront?

A

AWS global content delivery network (CDN)

Store cached versions of website content at edge locations around the world

Content delivered with greater efficiency and less latency to customers

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19
Q

What are the 4 main AWS Storage services?

A
  1. Simple Storage Service (S3)
  2. Glacier
  3. Elastic Block Storage
  4. Storage Gateway
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20
Q

What is AWS S3 and what is it used for?

A

S3 - Simple Storage Solution

Inexpensive, versatile and reliable storage

Data Storage & Backups

Can store scripts, templates and log files for larger AWS production processes

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21
Q

What is AWS Glacier?

A

Storage Service for backups / archive

Cheaper than S3

Retrieval in hours

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22
Q

What are the differences between S3 and Glacier?

A

Both storage solutions

Glacier is for data archival and backups

Slow retrieval

Cheaper

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23
Q

What is AWS Elastic Block Storage and what is it mainly used for?

A

Persistent virtal machine storage

Hosts OS & working data of EC2 instances

Hard disks of EC2 instances

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24
Q

What is AWS Storage Gateway?

A

Hybrid storage system

exposes AWS storage as local

Great for storage migrations, data backups and DR operations

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25
Does Dynamo DB manage relational or non-relational database workloads?
Non relational
26
What are some example database engines that can be run on Amazons RDS service?
MySQL Microsoft SQL Oracle Amazon Aurora
27
What is Amazon RDS service?
Relational Database Service builds stable, secure and reliable database instance Can run variety of DB engines
28
What is Amazon Dynamo DB service?
Dynamo DB databse fast, flexible, highly secure manage non-relational DB workloads
29
What are the two Amazon Database service options?
RDS (Relational Database Service) Dynamo DB
30
What are the 4 AWS Application Management services?
1. CloudWatch 2. CloudFormation 3. CloudTrail 4. Config
31
What is AWS CloudWatch?
Monitor process performance and resource utilization set threholds threshold hit, send message or trigger automated response
32
What is AWS CloudFormation?
Template files to define full and complex AWS deployments Speeds up provisioning Creates standerdized config
33
What is AWS CloudTrail?
Collects records of all your accounts API events Account auditing and troubleshooting
34
What is AWS Config?
Change management and compliance set baseline desired config state too far from baseline then notified
35
WHat are the three AWS Security and Identity services?
Identity and Access Management (IAM) Key Management Service (KMS) Directory Service
36
What is AWS IAM service?
Identity and Access Management Control access to AWS account users, roles, groups, policies etc. are used Who and what can access the AWS account
37
What is AWS KMS service?
Key Management Service Administrate the creation of encryption keys to secure data used by and for any AWS resources
38
What is AWS Directory Service?
Manage identities and relationships Integrate AWS resources with identity providers like Amazon Cognito, Microsoft AD
39
What are the 4 Application Integration Services?
1. Simple Notification Service (SNS) 2. Simple Workflow (SWF) 3. Simple Queue Service (SQS) 4. API Gateway
40
What is AWS SNS service?
Simple Notification Service Automate the publication of alert topics to other services services like lambda, SQS or email, text message etc.
41
What is AWS SWF service?
Simple Workflow Service Coordinate a series of tasks that must be performed using a range of AWS services or human events
42
What is AWS SQS service?
Simple Queue Service Event driven messaging with distributed systems
43
What is AWS API Gateway?
Create and manage secure and reliable APIs for AWS based applications
44
What is a simple way to reduce latency from your AWS resources to your customer?
Base your services in an AWS region closest to your customer?
45
What are AWS GovCloud regions?
US Government regions very secure
46
What is the difference between an AWS region and an availability zone?
A region is a general location for AWS datacenters while an AZ is one physical DC in a region Eg. EU-West-1 (Ireland) has multiple DCs (availability zones)
47
What is an AWS region?
Physical region around the world where AWS DCs are clustered
48
What is an AWS Availability Zone?
AZ is a physical datacenter within an AWS region (cluster of DCs)
49
What is the AWS Shared responsibility model?
Amazon garauntee secure, uninterupted operation of its cloud Customer responsible for whatever happens within that cloud Eg. Security and operation of installed OS, client side data, data movement accross networks, end-user authentication, customer data
50
What is the AWS SLA?
Service Level Agreement Differs based on service Eg. EC2 is 99.99 percent
51
If AWS breahes its SLA, what might they offer in compenstaion?
Service credits
52
What are the three main ways to manage AWS services?
1. Management Console (Web GUI) 2. AWS CLI 3. AWS SDKs
53
What is AWS CLI?
AWS operations from local CLI (local terminal or Powershell) Can be simpler and more efficient than web GUI Linux, Windows and MacOS support
54
What are AWS SDKs?
Software development kits incorportae AWS in programming languages Up to 9 languages currently including Java, Python
55
What are the 4 AWS support plans?
1. Basic 2. Developer 3. Business 4. Enterprise
56
If you just need access to customer service, white papaers, documentation and support forums then which AWS support package would you choose?
Basic
57
AT what support level can you gain access to a Cloud support associate?
Developer
58
At what support level do you improved response times and access to a support API?
Business plan
59
You require access to an AWS solution architect for operational and design reviews. What support plan do you require?
Enterprise plan
60
You've launched an EC2 instance in the Ireland region and need to access it from the web. What is the correct endpoint address that you should use? How would this differ for another service like S3?
ec2.eu-west-1.amazonaws.com change the first piece of URL to service required eg s3.eu-west-1.amazonaws.com
61
You need a support plan that allows multiple users to access support, which plan do you choose?
Business
62
What is the best way to confirm that your AWS resources meet the regulatory standards for reliability within your industry?
SLAs of AWS resources
63

AWS - Solution Architect (Associate) (2 decks)

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