Messaging & Integration/Auditing, Monitoring & Logging

Question 1

______ defines the interdependencies or connections between components of a system.

Answer 1

Coupling

Question 2

_____ _____ reduces the risk of cascading failures between components

Answer 2

Loose Coupling

Question 3

_____ ______ components are highly dependent on each other, with greater ____

Answer 3

Tightly coupled, risk

Question 4

_______ applications have ____ coupling, with a lot of inter-dependencies (connected circles).

Answer 4

Monolithic, tight

Question 5

_________ have loose coupling (better) - breaks down a large application into smaller ____ or mini services.

Answer 5

Microservices, micro

Question 6

Loosely coupled components are _______ , but not _________ on each other.

Answer 6

connected, dependent

Question 7

______ are used to implement loosely coupled systems.

Answer 7

Queues

Question 8

______ are a data structure that holds requests or messages, which join the _____ and they wait their turn to be processed. Typically this is in FIFO - First In, First Out

Answer 8

Queues, queue

Question 9

______ ______ ______ is a message queuing service that allows you to build loosely coupled systems. It allows for component to component communication, using _______

Answer 9

Simple Queue Service (SQS), messages

Question 10

Simple Queue Service (SQS) messages are processed in an _________ manner, you get a ‘request has been submitted’ response

Answer 10

asynchronous

Question 11

______ ______ ______ allows you to send/receive emails and text messages from your applications (functional text)

Answer 11

Simple Notification Service (SNS)

Question 12

______ ______ ________ is an email service that allows you to send richly formatted HTML emails from your applications, and is the ideal choice for marketing campaigns or professional emails

Answer 12

Simple Email Service (SES)

Question 13

________, ________, and ______ are important because these services offer ______ and _____ into how well our systems are performing, and help us proactively find and resolve errors.

Answer 13

auditing, monitoring, and logging, insight, visibility

Question 14

_________ is a collection of services that help you monitor and observe your cloud resources/EC2 instances and ______ you when certain events occur.

Answer 14

CloudWatch , notifies

Question 15

4 CloudWatch services:

Answer 15

A) CloudWatch Alarms, B) CloudWatch Logs, C) CloudWatch Metrics, D) CloudWatch Events

Question 16

______ ______ sets high resolution _____ (like a billing _____ to monitor your estimated AWS charges)

Answer 16

CloudWatch Alarms, alarms, alarm

Question 17

_______ _____ monitors application ___ (like performance data for AWS services like EC2, Lambda, etc)

Answer 17

CloudWatch Logs, CloudWatch Logs

Question 18

_______ _____ lets you visualize time-series data (a _____ like the CPU usage for a particular EC2 instance), and you can watch the values of that _____ over time.

Answer 18

CloudWatch Metrics, metric, metric

Question 19

________ ______ can trigger an ____ based on a condition (like an email being sent when a root user logs in to your account). Allows you to take automated action and troubleshoot issues.

Answer 19

CloudWatch Events, event

Question 20

_______ tracks and logs user activity and API calls within your account. It allows you to track activity through the AWS ________ _____, ____, and the ___

Answer 20

CloudTrail, Management Console, SDKs, CLI

Question 21

6 things you can track with CloudTrail:

Answer 21

1. Username
2. Event time and event name
3. IP address
4. The Access Key used
5. The Region
6. The error code (if an error occurred)