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WorksheetsIAT 3-CLOUD COMPUTING QUIZ
Total questions: 30
Worksheet time: 28mins
Which of the following is done by Identity management?
controlling access to data in the cloud
maintaining user roles
preventing unauthorized uses
All the above
Which of the following standard is the key to creating Single Sign-On (SSO) systems?
OpenID
CHAP
SMAL
None of the mentioned
Point out the wrong statement.
OpenID 2.0 is the standard associated with creating an identity
OpenID doesn’t specify the means for authentication of identity
OpenID provides access to important Web sites
None of the above
Which of the following provides a token service that can be used to present validated access to resources?
OAuth
OCheck
SAML
OpenID
Which of the following factors led to the demise of many of the early SSPs and to many hosted file services?
The Dot.com bust in 2000
The inability of file-hosting companies to successfully monetize online storage
The continued commoditization of large disk drives
All of the mentioned
Point out the correct statement.
In a managed cloud storage system, the user provisions storage on demand
Unmanaged Storage is meant to support virtual cloud computing
In managed storage, the storage service provider makes storage capacity available to users
All the above
Which of the following are Managed cloud storage providers?
EMC Atmos
Amazon.com Simple Storage Service
IBM Smart Business Storage Cloud
All of the mentioned
A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker.
MapReduce
Mapper
TaskTracker
JobTracker
___________ part of the MapReduce is responsible for processing one or more chunks of data and producing the output results.
Maptask
Mapper
Task execution
All of the mentioned
________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer.
Hadoop Strdata
Hadoop Streaming
Hadoop Stream
None of the mentioned
The number of maps is usually driven by the total size of ____________
inputs
outputs
tasks
None of the mentioned
__________ maps input key/value pairs to a set of intermediate key/value pairs.
Mapper
Reducer
Both Mapper and Reducer
None of the mentioned
Running a ___________ program involves running mapping tasks on many or all of the nodes in our cluster.
MapReduce
Map
Reduce
All the above
A ________ serves as the master and there is only one NameNode per cluster.
Data Node
Name Node
Data block
None
Point out 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 default
Data blocks are replicated across different nodes in the cluster to ensure a low degree of fault tolerance
None of the mentioned
Point out the wrong statement.
Replication Factor can be configured at a cluster level (Default is set to 3) and also at a file level
Block Report from each DataNode contains a list of all the blocks that are stored on that DataNode
DataNode is aware of the files to which the blocks stored on it belong to
User data is stored on the local file system of DataNodes
The need for data replication can arise in various scenarios like ____________
DataNode goes down
Replication Factor is changed
Data Blocks get corrupted
All the above
Which of the following protocol lets a Web site list in an XML file information?
Mashups
Sitemaps
Hashups
All of the mentioned
Your company processes high volumes of IoT data that are time-stamped. The total data volume can be several petabytes. The data needs to be written and changed at a high speed. You want to use the most performant storage option for your data. Which product should you use?
Cloud Datastore
Cloud Storage
Cloud Bigtable
BigQuery
You have a definition for an instance template that contains a web application. You are asked to deploy the application so that it can scale based on the HTTP traffic it receives. What should you do?
Create a VM from the instance template. Create a custom image from the VM’s disk. Export the image to Cloud Storage. Create an HTTP load balancer and add the Cloud Storage bucket as its backend service.
Create a managed instance group based on the instance template. Configure autoscaling based on HTTP traffic and configure the instance group as the backend service of an HTTP load balancer.
Create a VM from the instance template. Create an App Engine application in Automatic Scaling mode that forwards all traffic to the VM.
Create the necessary amount of instances required for peak user traffic based on the instance template. Create an unmanaged instance group and add the instances to that instance group. Configure the instance group as the Backend Service of an HTTP load balancer.
Point out the correct statement :
Google’s App Engine platform is IaaS offering
The customer takes no responsibility for maintaining the hardware, the software, or the development of the applications
The vendor is responsible for all the operational aspects of the service
all the above
How can an image in OpenStack cloud be stored with CLI?
openstack image add --file image.img --disk-format qcow2 --containerformat bare --public image
openstack image create --file image.img --disk-format qcow2 --containerformat bare --public image
openstack image create --file image.img --disk qcow2 --container-format bare --public image
openstack image add --file image.img --disk qcow2 --container-format bare --public image
Which of the following services that need to be negotiated in Service Level Agreements?
Logging
Auditing
Regulatory compliance
All of the mentioned
Which of the following are a common means for losing encrypted data?
lose the keys
lose the encryption standard
lose the account
all of the mentioned
Point out the correct statement
PaaS supplies the infrastructure
IaaS adds application development frameworks, transactions, and control structures
SaaS is an operating environment with applications, management, and the user interface
All of the mentioned
Which of the following service model is owned in terms of infrastructure by both vendor and customer?
private
public
hybrid
none of the above
When you deploy an application on Google’s PaaS App Engine cloud service, the Administration Console provides you with the which of the following monitoring capabilities?
View data and error logs
Analyze your network traffic
View the application’s scheduled tasks
All of the mentioned
Point out the correct statement.
Google App Engine lets you deploy the application and monitor it
The full range of network management capabilities may be brought to bear to solve mobile, desktop, and local server issue
From the standpoint of the client, a cloud service provider is different than any other networked service
all the above
Which of the following is a search service for online retailers that markets their products in their site searches with a number of navigations?
Google Site Search
Google Commerce Search
Google Search Appliance
Google Mini
Google __________ is the most widely used Web traffic analysis tool on the Internet.
BigAnalytics
Analytics
Bigtable
none
