Section 5 - 7

Question 1

m5.2xlarge

What does each part of this instance type code mean?

Answer 1

m = the instance class

5 = generation (increments by 1)

2xlarge = size within the instance

Question 2

This port allows you to log into a Linux instance

Answer 2

Port 22, SSH (Secure Shell)

Question 3

This port allows you to upload files into a file share

Answer 3

Port 21, FTP (File Transfer Protocol)

Question 4

This port allows me to upload files using SSH

Answer 4

Port 22, SFTP (Secure File Transfer Protocol)

Question 5

This port is used to access unsecured websites

Answer 5

Port 80, HTTP

Question 6

This port is used to access secured websites

Answer 6

Port 443, HTTPS

Question 7

This port is used to log into a Windows instance

Answer 7

Port 3389, RDP (Remote Desktop Protocol)

Question 8

Batch jobs, data analysis, image processing , distributed workloads. What type of instances are great for these?

Answer 8

Spot instances

Question 9

Dedicated instances offer your own instances and hardware, but the instances ___ _________ _____________. Dedicated hosts give you access to the __________ ________ and visibility of the lower-level hardware

Answer 9

are placed automatically; physical server

Question 10

Hotel analogy: Pay a certain amount per hour for a certain period, and stay in any room type (can change)

Answer 10

Savings plan

Question 11

Hotel analogy: Book the entire building of the resort

Answer 11

Dedicated host

Question 12

Hotel analogy: Planning ahead, staying for a long time, may get a good discount

Answer 12

Reserved

Question 13

Hotel analogy: You book a room for a period with full price, even if you don’ stay in it

Answer 13

Capacity reservations

Question 14

Why would you deselect the “Delete on Termination” checkbox on the root EBS volume?

Answer 14

You can preserve the root volume to save data

Question 15

What does an EC2 Image builder accomplish?

Answer 15

Automate the creations of virtual machines, container images, or AMIs for EC2 instances

Question 16

How does Elastic Block Storage (EBS) differ from an Elastic File System (EFS)?

Answer 16

An EBS is limited to a single AZ and can only be attached to a single instance.

Multiple instances can be mounted to a single EFS across multiple availability zones

Question 17

EFS-IA vs EFS

Answer 17

EFS-infrequent access is for files not accessed every day, it’s a cost saving measure

Question 18

Amazon FSx has 2 flavours, what are they?

Answer 18

FSx for Windows File Server and FSx For Lustre (Linux)

Question 19

What is Amazon FSx?

Answer 19

Network file systems

Question 20

Name this: The system has auto-scaling, will scale based on the required load

Answer 20

Elasticity

Question 21

Name this load balancer: Static DNS (URL), HTTP / HTTPS / gRPC protocols (Layer 7), HTTP routing features

Answer 21

Application Load Balancer (ALB)

Question 22

Name this load balancer: Static IP through elastic IP, TCP / UDP protocols (Layer 4), millions of requests per second (high performance)

Answer 22

Network Load Balancer (NLB)

Question 23

Name this load balancer: Intrusion detection, GENEVE protocol on IP packets (Layer 3), Route Traffic to Firewalls that you manage on EC2 instances

Answer 23

Gateway Load Balancer (GLB)