EC2

Question 1

_____ is a web service that provides resizable compute capacity in the cloud.

Answer 1

EC2

Question 2

T or F EC2 reduces the time required to obtain and boot new server instances to minutes, allowing you to quickly scale capacity, both up and down, as your computing requirements change.

Answer 2

true

Question 3

T or F With EC2, you only pay for the capacity that you actually use.

Answer 3

True

Question 4

EC2 provides _______ the tools to build _____ resilient apps and isolate themselves from common _____ scenarios.

Answer 4

developers failure failure

Question 5

allows you to pay a fixed rate by the hour (or second) with no commitment

Answer 5

EC2 on demand

Question 6

provides you with a capacity reservation, and offer a significant discount on the hourly charge for an instance. 1 year or 3 year terms.

Answer 6

EC2 Reserved

Question 7

Enables you to bid whatever price you want for instance capacity providing for even greater savings if your apps have flexible start and end times.

Answer 7

EC2 Spot

Question 8

Physical Ec2 server dedicated for your use. This can help you reduce costs by allowing you to use your existing server bound software licenses.

Answer 8

Dedicated hosts

Question 9

• perfect for users that want the low cost and flexibility of amazon ec2 without any upfront payment or long term commitment a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 9

A) on demand

Question 10

Applications with short term, spiky, or unpredictable workloads that can’t be interrupted. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 10

A) on demand

Question 11

Applications that have flexible start and end times a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 11

C) Spot instances

Question 12

Applications with steady state or predictable usage a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 12

B) reserved instances

Question 13

Applications being developed or tested on EC2 for the first time. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 13

A) on demand

Question 14

Applications that require reserved capacity. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 14

B) reserved isntances

Question 15

Applications that are only feasible at very low compute prices. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 15

C) spot instances

Question 16

Useful for regulatory requirements that may not support multi-tenant virtualization. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 16

D) dedicated hosts

Question 17

Users can make up-front payments to reduce their total computing costs even further. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 17

B) reserved instances

Question 18

The standard version of this is up to 75% off of on-demand. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 18

B) reserved instances

Question 19

Great for licensing which does not support multi-tenant or cloud deployments. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 19

D) dedicated hosts

Question 20

The convertible version of this save up to 54% off on-demand a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 20

B) reserved instances

Question 21

User with an urgent need for large amounts of additional computing capacity. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 21

C) Spot instances

Question 22

T or F Dedicated hosts can be purchased on demand.

Answer 22

True

Question 23

Can be purchased as a reservation for up to 70% off on-demand price. a)on demand b)reserved instances c)spot instances d) dedicated hosts

Answer 23

D) dedicated hosts

Question 24

______ feature the capacity to change the attributes of the RIs as long as the exchange results in the creation of reserved instances of equal or greater value. Pick one: Standard RIs Convertible RIs

Answer 24

standard RIs

Question 25

\_\_\_\_\_\_ are avilable to launch within the time window you reserve. This option allows you to match your capacity reservation to a predictable recurring schedule that only requires a fraction of a day, a week, or a month. Pick one: Standard RIs Convertible RIs

Answer 25

Convertible RIs

Question 26

Name the types of Elastic Load Balancers

Answer 26

1. Application LB 2. Network LB 3. Classic LB

Question 27

Best suited LB for TCP traffic where extreme performance is required. 1. Applicaiton LB 2. Network LB 3. Classic LB

Answer 27

Network LB

Question 28

Best suited for LB of HTTP and HTTPS traffic. 1. Applicaiton LB 2. Network LB 3. Classic LB

Answer 28

Application LB

Question 29

With this ELB, you can balance HTTP/HTTPS apps and use layer 7 specific features, such as x-forwarded and sticky sessions. You can also use sctrict layer 4 LB for apps that rely purely on the TCP protocol. 1. Applicaiton LB 2. Network LB 3. Classic LB

Answer 29

Classic LB

Question 30

They operate at layer 7 and are app aware. They are intelligent and you can create advanced request routing, sending specified requests to specific web servers. 1. Applicaiton LB 2. Network LB 3. Classic LB

Answer 30

Application LB

Question 31

They operate at the connection level (layer 4). They are capable of handling millions of requests per second , while maintaining ultra-low latencies. Used for extreme performance. 1. Applicaiton LB 2. Network LB 3. Classic LB

Answer 31

Network LB

Question 32

If you app stops responding, the _____ responds with a 504 error. This means the app is having issues. This could be either at the web server layer or at the DB layer. Identify where teh app is failing and scale it up or out where possible. 1. Applicaiton LB 2. Network LB 3. Classic LB

Answer 32

Classic LB

Question 34

x-forwarded for header

Answer 34

a common method for identifying the originating IP address of a client connecting to a web server through an HTTP proxy or load balancer.