Question 1

Which of the following is the operational domain of CSA(Cloud Security Alliance)?

Accepted Answer

A) scalability 
B) portability and interoperability 
C) flexibility 
D) none of the mentioned 
A) scalability 
B) portability and interoperability 
C) flexibility 
D) none of the mentioned B

Question 2

What is HDFS?

Accepted Answer

A) storage layer 
B) batch processing engine 
C) resource management layer 
D) all of the above 
A) storage layer 
B) batch processing engine 
C) resource management layer 
D) all of the above A

Question 3

Which of the following is most important feature of cloud storage listed below ?

Accepted Answer

A) logon authentication 
B) bare file 
C) multiplatform support 
D) adequate bandwidth 
A) logon authentication 
B) bare file 
C) multiplatform support 
D) adequate bandwidth A

Question 4

Which of the following storage devices exposes its storage to clients as Raw storage that can be partitioned to create volumes ?

Accepted Answer

A) block 
B) file 
C) disk 
D) all of the mentioned 
A) block 
B) file 
C) disk 
D) all of the mentioned

Question 5

A file in HDFS that is smaller than a single block size

Accepted Answer

A) cannot be stored in hdfs 
B) occupies the full block\s size. 
C) can span over multiple blocks 
D) occupies only the size it needs and not the full block 
A) cannot be stored in hdfs 
B) occupies the full block\s size. 
C) can span over multiple blocks 
D) occupies only the size it needs and not the full block

Question 6

. Which of the following allows you to create instances of the MySQL database to support your Web sites?

Accepted Answer

A) amazon elastic compute cloud 
B) amazon simple queue service 
C) amazon relational database service 
D) amazon simple storage system 
A) amazon elastic compute cloud 
B) amazon simple queue service 
C) amazon relational database service 
D) amazon simple storage system

Question 7

The need for data replication can arise in various scenarios like

Accepted Answer

A) replication factor is changed 
B) datanode goes down 
C) data blocks get corrupted 
D) all of the above 
A) replication factor is changed 
B) datanode goes down 
C) data blocks get corrupted 
D) all of the above

Question 8

Which among the following is the correct statement

Accepted Answer

A) datanode manage file system namespace 
B) namenode stores metadata 
C) namenode stores actual data 
D) all of the above 
A) datanode manage file system namespace 
B) namenode stores metadata 
C) namenode stores actual data 
D) all of the above

Question 9

Amazon EC2 provides virtual computing environments, known as :

Accepted Answer

A) chunks 
B) instances 
C) messages 
D) none of the mentioned 
A) chunks 
B) instances 
C) messages 
D) none of the mentioned

Question 10

Which of the following type of virtualization is also characteristic of cloud computing

Accepted Answer

A) storage 
B) application 
C) cpu 
D) all of the mentioned 
A) storage 
B) application 
C) cpu 
D) all of the mentioned

Question 11

For the frequently accessed HDFS files the blocks are cached in

Accepted Answer

A) the memory of the data node 
B) in the memory of the namenode 
C) both the above 
D) none of the above 
A) the memory of the data node 
B) in the memory of the namenode 
C) both the above 
D) none of the above

Question 12

The following flowchart is intended to evaluate in any cloud.

Accepted Answer

A) risk 
B) errors 
C) inconsistencies 
D) none of the mentioned 
A) risk 
B) errors 
C) inconsistencies 
D) none of the mentioned

Question 13

Which of the following is not the feature of Network management systems?

Accepted Answer

A) accounting 
B) security 
C) performance 
D) none of the mentioned 
A) accounting 
B) security 
C) performance 
D) none of the mentioned

Question 14

Which of the following is the correct statement?

Accepted Answer

A) datanode is the slave/worker node and holds the user data in the form of data blocks 
B) each incoming file is broken into 32 mb by defaul 
C) namenode stores user data in the form of data blocks 
D) none of the above 
A) datanode is the slave/worker node and holds the user data in the form of data blocks 
B) each incoming file is broken into 32 mb by defaul 
C) namenode stores user data in the form of data blocks 
D) none of the above

Question 15

What is HDFS Block in Hadoop?

Accepted Answer

A) it is the logical representation of data 
B) it is the physical representation of data 
C) both the above 
D) none of the above 
A) it is the logical representation of data 
B) it is the physical representation of data 
C) both the above 
D) none of the above

Question 16

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

Accepted Answer

A) oracle 
B) mysql 
C) sql server 
D) all of the mentioned 
A) oracle 
B) mysql 
C) sql server 
D) all of the mentioned

Question 17

Point out the wrong statement.

Accepted Answer

A) you can use proxy and brokerage services to separate clients from direct access to shared cloud storage 
B) any distributed application has a much greater attack surface than an application that is closely held on a local area network 
C) cloud computing doesn't have vulnerabilities associated with internet applications 
D) all of the mentioned 
A) you can use proxy and brokerage services to separate clients from direct access to shared cloud storage 
B) any distributed application has a much greater attack surface than an application that is closely held on a local area network 
C) cloud computing doesn't have vulnerabilities associated with internet applications 
D) all of the mentioned

Question 18

Which among the following are the duties of the NameNodes

Accepted Answer

A) manage file system namespace 
B) it is responsible for storing actual data 
C) perform read-write operation as per request for the clients 
D) none of the above 
A) manage file system namespace 
B) it is responsible for storing actual data 
C) perform read-write operation as per request for the clients 
D) none of the above

Question 19

Which among the following is the duties of the Data Nodes

Accepted Answer

A) manage file system namespace 
B) stores meta-data 
C) regulates client's access to files 
D) perform read-write operation as per request for the clients 
A) manage file system namespace 
B) stores meta-data 
C) regulates client's access to files 
D) perform read-write operation as per request for the clients

Question 20

Data stored in domains doesn't require maintenance of a schema.

Accepted Answer

A) simpledb 
B) sql server 
C) oracle 
D) rds 
A) simpledb 
B) sql server 
C) oracle 
D) rds

Exam 18: HDFS, Amazon EC2, Cloud Storage, and Cloud Computing

Which of the following is the operational domain of CSA(Cloud Security Alliance)?

What is HDFS?

Which of the following is most important feature of cloud storage listed below ?

Which of the following storage devices exposes its storage to clients as Raw storage that can be partitioned to create volumes ?

A file in HDFS that is smaller than a single block size

. Which of the following allows you to create instances of the MySQL database to support your Web sites?

The need for data replication can arise in various scenarios like

Which among the following is the correct statement

Amazon EC2 provides virtual computing environments, known as :

Which of the following type of virtualization is also characteristic of cloud computing

For the frequently accessed HDFS files the blocks are cached in

The following flowchart is intended to evaluate in any cloud.

Which of the following is not the feature of Network management systems?

Which of the following is the correct statement?

What is HDFS Block in Hadoop?

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

Point out the wrong statement.

Which among the following are the duties of the NameNodes

Which among the following is the duties of the Data Nodes

Data stored in domains doesn't require maintenance of a schema.

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