Cloud Computing Set 22
On This Page
This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on Cloud Computing Set 22
Q1 | What is HDFS?
- storage layer
- batch processing engine
- resource management layer
- all of the above
Q2 | Which among the following command is used to copy a directory from one node to another in HDFS?
- rcp
- distcp
- dcp
- drcp
Q3 | Which among the following is the correct statement
- datanode manage file system namespace
- namenode stores metadata
- namenode stores actual data
- all of the above
Q4 | The namenode knows that the data node is active using a mechanism known as
- active pulse
- data pulse
- heartbeats
- h-signal
Q5 | What is HDFS Block in Hadoop?
- it is the logical representation of data
- it is the physical representation of data
- both the above
- none of the above
Q6 | Which of the following is the correct statement?
- datanode is the slave/worker node and holds the user data in the form of data blocks
- each incoming file is broken into 32 mb by defaul
- namenode stores user data in the form of data blocks
- none of the above
Q7 | The need for data replication can arise in various scenarios like
- replication factor is changed
- datanode goes down
- data blocks get corrupted
- all of the above
Q8 | A file in HDFS that is smaller than a single block size
- cannot be stored in hdfs
- occupies the full block\s size.
- can span over multiple blocks
- occupies only the size it needs and not the full block
Q9 | Which among the following are the duties of the NameNodes
- manage file system namespace
- it is responsible for storing actual data
- perform read-write operation as per request for the clients
- none of the above
Q10 | For the frequently accessed HDFS files the blocks are cached in
- the memory of the data node
- in the memory of the namenode
- both the above
- none of the above
Q11 | Which scenario demands highest bandwidth for data transfer between nodes
- different nodes on the same rack
- nodes on different racks in the same data center.
- nodes in different data centers
- data on the same node
Q12 | Which among the following is the duties of the Data Nodes
- manage file system namespace
- stores meta-data
- regulates client’s access to files
- perform read-write operation as per request for the clients
Q13 | Amazon EC2 provides virtual computing environments, known as :
- chunks
- instances
- messages
- none of the mentioned
Q14 | Data stored in domains doesn’t require maintenance of a schema.
- simpledb
- sql server
- oracle
- rds
Q15 | Which of the following is a system for creating block level storage devices that can be used for Amazon Machine Instances in EC2 ?
- cloudwatch
- amazon elastic block store
- aws import/export
- all of the mentioned
Q16 | Which of the following type of virtualization is also characteristic of cloud computing
- storage
- application
- cpu
- all of the mentioned
Q17 | Which of the following is most important feature of cloud storage listed below?
- logon authentication
- bare file
- multiplatform support
- adequate bandwidth
Q18 | Which of the following backup create a cloned copy of your current data or drive ?
- continuous data protection
- open file backup
- reverse delta backup
- none of the mentioned
Q19 | Which of the following storage devices exposes its storage to clients as Raw storage that can be partitioned to create volumes ?
- block
- file
- disk
- all of the mentioned
Q20 | . Which of the following allows you to create instances of the MySQL database to support your Web sites?
- amazon elastic compute cloud
- amazon simple queue service
- amazon relational database service
- amazon simple storage system
Q21 | Which of the following is not the feature of Network management systems?
- accounting
- security
- performance
- none of the mentioned
Q22 | The following flowchart is intended to evaluate in any cloud.
- risk
- errors
- inconsistencies
- none of the mentioned
Q23 | Point out the wrong statement.
- you can use proxy and brokerage services to separate clients from direct access to shared cloud storage
- any distributed application has a much greater attack surface than an application that is closely held on a local area network
- cloud computing doesn’t have vulnerabilities associated with internet applications
- all of the mentioned
Q24 | Which of the following is the operational domain of CSA(Cloud Security Alliance)?
- scalability
- portability and interoperability
- flexibility
- none of the mentioned
Q25 | Which of the following functional cloud computing hardware/software stack is the Cloud Reference Model?
- cas
- csa
- sac
- all of the mentioned