Multiple choice Questions and Answers on Amazon Elastic Block Store of Cloud Computing for Freshers

1. Which of the following tool is used for measuring I/O of your systems to estimate these transaction costs ?

a) EBS
b) IOSTAT
c) ESW
d) All of the mentioned

Answer: b

Explanation: EBS is a service priced on the amount of storage space used.

2. Point out the wrong statement:

a) The cost of creating an EBS volume is lesser than creating a similarly sized S3 bucket
b) An EBS volume can be used as an instance boot partition
c) EBS boot partitions can be stopped and started, and they offer fast AMI boot times
d) None of the mentioned

Answer: a

Explanation: The cost of creating an EBS volume is also greater than creating a similarly sized S3 bucket.

3. Which of the following is also referred to edge computing ?

a) CloudWave
b) CloudFront
c) CloudSpot
d) All of the mentioned

Answer: b

Explanation: In edge computing, content is pushed out geographically so the data is more readily available to network clients and has a lower latency when requested.

4. CloudFront supports ______ data by performing static data transfers and streaming content from one CloudFront location to another.

a) table caching
b) geocaching
c) index caching
d) windows Media Server

Answer: b

Explanation: A user requesting data from a CloudFront site is referred to the nearest geographical location.

5. Point out the correct statement:

a) A volume is mounted on a particular instance and is available to all instances
b) The advantages of an EBS boot partition are that you can have a volume up to 1TB
c) You cannot mount multiple volumes on a single instance
d) All of the mentioned

Answer: b

Explanation: EBS is similar in concept to a Storage Area Network or SAN.

6. Data stored in __________ domains doesn’t require maintenance of a schema.

a) SimpleDB
b) SQL Server
c) Oracle
d) RDS

Answer: a

Explanation: To create a high performance “simple” database, the data store created is flat; that is, it is non-relational and joins are not supported.

7. Which of the following is relational database service provided by Amazon ?

a) SimpleDB
b) SQL Server
c) Oracle
d) RDS

Answer: d

Explanation: Amazon offers two different types of database services.

8. Which of the following can be considered as distributed caching system ?

a) CND
b) CDN
c) CWD
d) All of the mentioned

Answer: b

Explanation: Amazon CloudFront is referred to as a content delivery network (CDN), and sometimes called edge computing.

9. Amazon Relational Database Service is a variant of the _______ 5.1 database system.

a) Oracle
b) MySQL
c) SQL Server
d) All of the mentioned

Answer: b

Explanation: The purpose of RDS is to allow database applications that already exist to be ported to RDS and placed in an environment that is relatively automated and easy to use.

10. Which of the following database should be used for a solution that has a very high availability ?

a) SimpleDB
b) RDS
c) Amazon EC2
d) None of the mentioned

Answer: a

Explanation: Use SimpleDB for the lowest administrative overhead.