captive requires that the cloud accommodate multiple complianceregimes.
1.. licensed
2.policy-based
3.variable
4. all of the mentioned
has many of the characteristics of what is now being called cloudcomputing
1.internet
2.softwares
3.web service
4.all of the mentioned
as a utility is a dream that dates from the beginning of thecomputing industry itself
1.model
2.computing
3.software
4.all of the mentioned
The source of HDFS architecture in Hadoop originated as
1. google distributed filesystem
2.yahoo distributed filesystem
3. facebook distributed filesystem
4.amazon s3 storage
Amazon EC2 provides virtual computing environments, known as :
1.chunks
2.instances
3.messages
4.None of the mentioned
Amazon Elastic Compute Cloud (Amazon EC2) is a web service based on
1.iaas
2.paas
3.saas
4.All of the mentioned
Data stored in domains doesn’t require maintenance of a schema.
1.simpledb
2.sql server
3.oracle
4.rds
For the frequently accessed HDFS files the blocks are cached in
1.the memory of thedata node
2.in the memory of thenamenode
3.both (a) and (b)
4.None of These
In HDFS the files cannot be
1.read
2.deleted
3.executed
4.archived
Point out the wrong statement
1. applications benefit from deployment in the cloud
2.start very small and become big very fast
3. technology it is built on is evolutionary
4.none of the mentioned
The namenode knows that the data node is active using a mechanism knownas
1.active pulse
2.data pulse
3.heartbeats
4.h-signal
The need for data replication can arise in various scenarios like
1.replication factor ischanged
2.datanode goes down
3.data blocks getcorrupted
4.All of the above
Which among the following are the duties of the NameNodes
1. manage file system namespace
2. it is responsible for storing actual data
3.perform read-write operation as per request for theclients
4.none of the above
Which among the following is the correct statement
1. datanode manage file systemnamespace
2.namenode stores metadata
3.namenode stores actual data
4.None of these
Which of the following captive area deals with monitoring?
1. large
2.small
3.big
4.all of the mentioned
Which of the following is a system for creating block level storage devices thatcan be used for Amazon Machine Instances in EC2 ?
1.cloudwatch
2.amazon elastic blockstore
3.aws import/export
4.all of the mentioned
Which of the following is most important feature of cloud storage listed below?
1.logon authentication
2.bare file
3.multiplatformsupport
4.adequate bandwidth
Which of the following services that need to be negotiated in Service LevelAgreements?
1.logging
2.auditing
3.regulatorycompliance
4.all of the mentioned
Which of these is not an antecedent of the cloud?
1.software as a service
2.utility computing
3.grid computing
4.desktop computing
. If the IP address or hostname of a data node changes
1.the namenode updates the mapping between file name and block name B.
2. the data in that data node is lost forever
3. the namenode need not update mapping between file name and block name D.
4. there namenode has to be restarted
A file in HDFS that is smaller than a single block size
1.cannot be stored in hdfs
2. occupies the full blocks size.
3.can span over multiple blocks
4.occupies only the size it needs and not thefull block
Amazon AWS Consists of following services
1. iaas
2.paas
3.saas
4.All of the above
Amazon Machine Images are virtual appliances that have been packaged to run on the grid of nodes.
1.ben
2.xen
3.ken
4.zen
Applications such as a Web server or database server that can run on a virtual machine image are referred to as
1. virtual server
2.virtual appliances
3.machine imaging
4.all of the mentioned
Cloud are standardized in order to appeal to the majority of itsaudience.
1.svas
2.slas
3.sals
4.none of thementioned
Cloud model relies on
1.communication api
2.middleware
3.web documents
4. embedded device
Communication between services is done widely using protocol
1.rest
2.soap
3.restful
4.none of thementioned
Dynamodb is type of storage
1.nonsql
2.sql
3.simple storage
4.all of above
HTTP is a protocol
1.stateful
2.unidirectional
3.bidirectional
4.full dulpex
NameNode and DataNode do communicate using
1.active pulse
2.heartbeats
3.h-signal
4.data pulse
Point out the correct statement.
1.amazon elastic cloud is a system for creating virtualdisks(volume)
2.simpledb interoperates with both amazon ec2 andamazon s3
3. ec3 is an analytics as a service provider
4.none of the mentioned
Point out the correct statement.
1.different types of cloud computing service models provide different levels of security services
2.adapting your on- premises systems to a cloud model requires that you determine what security mechanisms are required
3.data should be transferred and stored in an encrypted format for security purpose
4.All of the mentioned
Point out the wrong statement.
1. the metrics obtained by cloudwatch may be used to enable a feature called auto scaling
2.a number of tools are used to support ec2 services
3.amazon machine instances are sized at various levels and rented on a computing/hour basis
4.none of the mentioned
RDS is a type of database
1.sql
2.nonsql
3.simple storage
4.All of the above
Security methods such as private encryption, VLANs and firewalls comesunder subject area.
1.accountingmanagement
2.compliance
3.data privacy
4.all of the mentioned
The following flowchart is intended to evaluate in any cloud.
1.risk
2.errors
3.inconsistencies
4.None of the mentioned
The reputation for cloud computing services for the quality of those services isshared by
1.replicas
2.shards
3.tenants
4.all of the mentioned
websocket is a Protocol
1.stateful
2.bidirectional
3.connection oriented
4.All of the above
Websocket protocol uses which communication model
1.publish-subscribe
2.request response
3.push-pull
4.exclusive pair
What is default replication factor?
1.1
2.2
3.3
4.S
What is HDFS Block in Hadoop?
1.it is the logicalrepresentation of data
2. it is the physicalrepresentation of data
3.both the above
4.none of the above
What is HDFS?
1.storage layer
2.batch processingengine
3.resourcemanagement layer
4.All of the above
What is the default size of HDFS Data Block?
1.16mb
2.32mb
3.64mb
4.128mb
When a client contacts the namenode for accessing a file, the namenode responds with
1.size of the file requested
2. block id and hostname of all the data nodes containing that block
3. block id of the file requested
4.All of the above
Which among the following command is used to copy a directory from onenode to another in HDFS?
1.rcp
2.distcp
3.dcp
4.drcp
Which among the following is the duties of the Data Nodes
1.manage file system namespace
2. stores meta-data
3.regulates client’s access to files
4.perform read-write operation as per request for theclients
Which of the cloud concept is related to pooling and sharing of resources
1.polymorphism
2.abstraction
3.virtualization
4.none of thementioned
Which of the following allows you to create instances of the MySQL databaseto support your Web sites?
1. amazon elasticcompute cloud
2.amazon simplequeue service
3.amazon relationaldatabase service
4.amazon simplestorage system
Which of the following benefit is provided by the PaaS service provider
1.a larger pool of qualified developers
2.more reliable operation
3. a logical design methodology
4.all of the mentioned
Which of the following is an edge-storage or content-delivery system thatcaches data in different physical locations?
1.amazon relationaldatabase service
2.amazon simpledb
3.amazon cloudfront
4.amazon associatesweb services
Which of the following is essential concept related to Cloud?
1. A. reliability
2.productivity
3.abstraction
4.All of the mentioned
Which of the following is the correct statement?
1.datanode is the slave/worker node and holds the user data in the form ofdata blocks
2.each incoming file is broken into 32 mb by defaul
3.namenode stores user data in the form of data blocks
4.None of the above
Which of the following is the deployment model?
1. public
2.private
3.hybrid
4. all of the mentioned
Which of the following is the highest degree of integration in cloudcomputing?
1.saas
2.iaas
3.paas
4.all of the mentioned
Which of the following service provider provides the least amount of built insecurity?
1. saas
2.paas
3.iaas
4.all of the mentioned
Which of the following should be used considering factors shown in the figure?
1.simpledb
2.rds
3.amazon ec2
4.all of the mentioned
Which of the following storage devices exposes its storage to clients as Rawstorage that can be partitioned to create volumes ?
1. block
2.file
3.disk
4.All of the mentioned
Which of the following type of virtualization is also characteristic of cloudcomputing
1.storage
2.application
3.cpu
4.All of the mentioned
Which scenario demands highest bandwidth for data transfer between nodes
1. different nodes on the same rack
2.nodes on differentracks in the same data center.
3.nodes in different data centers
4.data on the same node
Which utility is used for checking the health of an HDFS file system?
1.fsck
2.fchk
3.fsch
4.fcks