Category: Cloud Computing Objective Questions

Questions on “AWS – Amazon Web Services”.

1. Which of the following is built on top of a Hadoop framework using the Elastic Compute Cloud?
a) Amazon Elastic MapReduce
b) Amazon Mechanical Turk
c) Amazon DevPay
d) Multi-Factor Authentication

Answer: a
Clarification: Amazon Elastic MapReduce is an interactive data analysis tool for performing indexing.

2. Point out the wrong statement.
a) Amazon Machine Instances are sized at various levels and rented on a computing/hour basis
b) The metrics obtained by CloudWatch may be used to enable a feature called Auto Scaling
c) A number of tools are used to support EC2 services
d) None of the mentioned

Answer: d
Clarification: Through hardware virtualization on Xen hypervisors, Amazon.com has made it possible to create private virtual servers that you can run worldwide.

3. Which of the following is an edge-storage or content-delivery system that caches data in different physical locations?
a) Amazon Relational Database Service
b) Amazon SimpleDB
c) Amazon Cloudfront
d) Amazon Associates Web Services

Answer: c
Clarification: Cloudfront is similar to systems such as Akamai.com, but is proprietary to Amazon.com and is set up to work with Amazon Simple Storage
System (Amazon S3).

4. Which of the following allows you to create instances of the MySQL database to support your Web sites?
a) Amazon Elastic Compute Cloud
b) Amazon Simple Queue Service
c) Amazon Relational Database Service
d) Amazon Simple Storage System

Answer: c
Clarification: RDS provides features such as automated software patching, database backups, and automated database scaling via an API call.

5. Point out the correct statement.
a) Amazon Elastic Cloud is a system for creating virtual disks(volume)
b) SimpleDB interoperates with both Amazon EC2 and Amazon S3
c) EC3 is an Analytics as a Service provider
d) None of the mentioned

Answer: b
Clarification: Amazon SimpleDB stores data in “buckets” and without requiring the creation of a database schema.

6. Which of the following is a structured data store that supports indexing and data queries to both EC2 and S3?
a) CloudWatch
b) Amazon SimpleDB
c) Amazon Cloudfront
d) All of the mentioned

Answer: b
Clarification: SimpleDB isn’t a full database implementation.

7. Which of the following is the machinery for interacting with Amazon’s vast product data and eCommerce catalog function?
a) Amazon Elastic Compute Cloud
b) Amazon Associates Web Services
c) Alexa Web Information Service
d) All of the mentioned

Answer: b
Clarification: This service, which was called Amazon E-Commerce Service (ECS), is the means for vendors to add their products to the Amazon.com site
and take orders and payments.

8. Which of the following is a billing and account management service?
a) Amazon Elastic MapReduce
b) Amazon Mechanical Turk
c) Amazon DevPay
d) Multi-Factor Authentication

Answer: c
Clarification: DevPay provides a developer API that eliminates the need for application developers to build order pipelines.

9. Which of the following is a means for accessing human researchers or consultants to help solve problems on a contractual or temporary basis?
a) Amazon Elastic MapReduce
b) Amazon Mechanical Turk
c) Amazon DevPay
d) Multi-Factor Authentication

Answer: b
Clarification: Problems solved by this human workforce have included object identification, video or audio recording, data duplication, and data research.

Cloud Computing Multiple Choice Questions on “Security Data”.

1. Which of the following is a compliance standard?
a) PCI-DSS
b) HIPPA
c) GLBA
d) All of the mentioned

Answer: d
Clarification: A compliance standard can be any government regulatory framework.

2. Point out the correct statement.
a) The cloud service model you choose does not determine the variety of security features, compliance auditing, and other requirements
b) To determine the particular security mechanisms you need, you must perform a mapping of the particular cloud service model to the particular application you are deploying
c) A security control model includes the security that you normally use for your applications only
d) All of the mentioned

Answer: b
Clarification: These mechanisms must be supported by the various controls that are provided by your service provider, your organization, or a third party.

3. Which of the following is a key mechanism for protecting data?
a) Access control
b) Auditing
c) Authentication
d) All of the mentioned

Answer: d
Clarification: Whatever service model you choose should have mechanisms operating in all above mentioned areas that meet your security requirements.

4. How many security accounts per client is provided by Microsoft?
a) 1
b) 3
c) 5
d) 7

Answer: c
Clarification: On Amazon Web Service, you can create multiple keys and rotate those keys during different sessions.

5. Point out the wrong statement.
a) Securing data sent to, received from, and stored in the cloud is the single largest security concern
b) The problem with the data you store in the cloud is that it can be located anywhere in the cloud service provider’s system
c) One and only approach to isolating storage in the cloud from direct client access is to create layered access to the data
d) All of the mentioned

Answer: c
Clarification: The location of the proxy and the broker is not important.

6. Which of the following are a common means for losing encrypted data?
a) lose the keys
b) lose the encryption standard
c) lose the account
d) all of the mentioned

Answer: a
Clarification: Keys should have a defined life cycle.

7. Which of the following is the standard for interoperable cloud-based key management?
a) KMIP
b) PMIK
c) AIMK
d) None of the mentioned

Answer: a
Clarification: KMIP stands for Key Management Interoperability Protocol.

8. Which of the following was one of the weaker aspects of early cloud computing service offerings?
a) Logging
b) Integrity checking
c) Consistency checking
d) None of the mentioned

Answer: a
Clarification: Cloud service providers often have proprietary log formats.

9. Which of the following is one of the most actively developing and important areas of cloud computing technology?
a) Logging
b) Auditing
c) Regulatory compliance
d) None of the mentioned

Answer: c
Clarification: For any company with clients in multiple countries, the burden of regulatory compliance is onerous.

10. Amazon Web Services supports ________ Type II Audits.
a) SAS70
b) SAS20
c) SAS702
d) None of the mentioned

Answer: a
Clarification: Becoming a cloud service provider requires a large investment.

Cloud Computing Multiple Choice Questions on “Provisioning Cloud Storage”.

1. Which of the following cloud storage is mainly meant for developers and to support applications built using Web services?
a) Managed
b) Unmanaged
c) Disk
d) All of the mentioned

Answer: a
Clarification: Managed cloud storage is provisioned and provided as a raw disk.

2. Point out the correct statement.
a) Cloud storage may be broadly categorized into four major classes of storage
b) In unmanaged storage, the storage service provider makes storage capacity available to users
c) In managed storage, the storage service provider makes storage capacity available to users
d) All of the mentioned

Answer: b
Clarification: Unmanaged storage defines the nature of the storage, how it may be used, and by what applications.

3. Which of the following is the form of unmanaged cloud storage?
a) XDrive
b) OmniDrive
c) iDrive
d) All of the mentioned

Answer: d
Clarification: It is unmanaged storage in the sense that the storage is preconfigured for you, you can’t format as you like.

4. Which of the following is an example of an unmanaged storage utility set up to do automated backups?
a) XDrive
b) OmniDrive
c) FreeDrive
d) All of the mentioned

Answer: d
Clarification: FreeDrive provides web-based applications that allow internet users to store, retrieve, and share data on the internet.

5. Point out the wrong statement.
a) Unmanaged storage is reliable
b) Managed storage is relatively cheap to use
c) Most of the user-based applications that work with cloud storage are of unmanaged type
d) None of the mentioned

Answer: b
Clarification: Unmanaged storage is relatively cheap to use.

6. Which of the following factors led to the demise of many of the early SSPs and to many hosted file services?
a) The Dot.com bust in 2000
b) The inability of file-hosting companies to successfully monetize online storage
c) The continued commoditization of large disk drives
d) All of the mentioned

Answer: d
Clarification: SSP stands for Storage Service Provider.

7. Which of the following is the simplest unmanaged cloud storage device?
a) file transfer utility
b) antivirus utility
c) online image utility
d) none of the mentioned

Answer: a
Clarification: File transfer services may be shared by other users you allow, and the files that are uploaded may be discoverable for some services.

8. The service FreeDrive is storage that allows ________ users to view the content of others.
a) Facebook
b) Twitter
c) Whatsapp
d) None of the mentioned

Answer: a
Clarification: FreeDrive is a personal storage and file sharing service designed for users of social networks, such as Facebook, MySpace and Bebo.

9. Which of the following file transfer utility creates a shared folder metaphor using a Web service?
a) Dropbox
b) Skype
c) Drive
d) All of the mentioned

Answer: a
Clarification: Dropbox is a service that keeps your files safe, synced, and easy to share.

10. Which of the following offers Storage size of 10GB free t0 100 GB paid?
a) Adrive
b) 4shared
c) Badongo
d) All of the mentioned

Answer: b
Clarification: As unmanaged storage offerings progressed in sophistication, they began to offer value-added software services such as folder synchronization and backup.

Cloud Computing Multiple Choice Questions on “Collaboration Technologies”.

1. Which of the following factor has helped spur the popularity of collaborative software for conferencing and workgroup support?
a) emergence of cloud networks
b) high cost of computing
c) lowered cost of travel
d) all of the mentioned

Answer: a
Clarification: Collaborative software is an old concept with roots in many different types of systems.

2. Point out the wrong statement.
a) Yahoo’s Exchange platform added features to compete with Notes
b) SIP stands for Session Initiation Protocol
c) Citrix GoToMeeting is one of the best-known collaboration software product
d) All of the mentioned

Answer: a
Clarification: Microsoft’s Exchange platform added features to compete with Notes.

3. Which of the following software enables real-time or near-real-time communication?
a) Focusware
b) Collaborative
c) Cooperative
d) IMPS

Answer: b
Clarification: Groupware is also similar to collaborative software.

4. Which of the following is first ever true collaboration platform?
a) Lotus Notes
b) Citrix GoToMeeting
c) XAMPP
d) None of the mentioned

Answer: a
Clarification: Lotus Notes added document management, content management, and groups, and it supported mobile users.

5. Point out the wrong statement.
a) ZCS can synchronize email, contacts, and calendars with a number of mail services, including mobile phones
b) ZCS is a groupware product
c) Yahoo!, the owner of ZCS, makes the source code available under their Yahoo! Public License (YPL)
d) None of the mentioned

Answer: d
Clarification: ZCS stands for Zimbra Collaboration Suite.

6. Which of the following product allows users to share their desktop, do presentations, and even let a user remotely take over another user’s computer in real time?
a) Citrix
b) Zimbra
c) Trillian
d) All of the mentioned

Answer: a
Clarification: Meetings can be scheduled and recorded for later playback.

7. Which of the following platform is a direct competitor to GoToMeeting?
a) Zimbra
b) DimDim
c) RimRim
d) None of the mentioned

Answer: b
Clarification: Dimdim offers a service that is a strong Web conferencing platform.

8. Which of the following is a good example of an SMS service organized into a social network and blog?
a) Twitter
b) Facebook
c) Instagram
d) None of the mentioned

Answer: a
Clarification: It is sometimes referred to as the SMS of the Internet or as a form of Internet Relay Chat (IRC).

9. Which of the following sites let you create your own small personal Website, which you give people access to view?
a) Friendster
b) MySpace
c) Facebook
d) All of the mentioned

Answer: d
Clarification: Friendster was the earliest of these three services, followed by MySpace, which was more successful.

10. Which of the following is a central element of social networking site?
a) Personal profile
b) Friends
c) Groups
d) All of the mentioned

Answer: d
Clarification: Nearly all social networks have a feature called groups where people interested in a similar topic can post messages to one another.

Cloud Computing Multiple Choice Questions on “Benefits and Drawbacks of Cloud Computing”.

1. Which of the following was one of the top 5 cloud applications in 2010?
a) Cloud backup
b) Web applications
c) Business applications
d) All of the mentioned

Answer: d
Clarification: Cloud computing has shifted the economics of software delivery in a manner similar to the way that music downloads have shifted the delivery of commercial music.

2. Point out the correct statement.
a) Google’s cloud includes perhaps some 10 data centers worldwide
b) Flipkart.com’s infrastructure was built to support elastic demand so the system could accommodate peak traffic
c) Data centers have been sited to optimize the overall system latency
d) All of the mentioned

Answer: c
Clarification: Datacenter can Keep land costs modest and occupation unobtrusive.

3. Which of the following benefit is related to creates resources that are pooled together in a system that supports multi-tenant usage?
a) On-demand self-service
b) Broad network access
c) Resource pooling
d) All of the mentioned

Answer: a
Clarification: A cloud service provider creates resources that are pooled together in a system that supports multi-tenant usage.

4. The _____ is something that you can obtain under contract from your vendor.
a) PoS
b) QoS
c) SoS
d) All of the mentioned

Answer: b
Clarification: Depending upon the type of service being offered, you may find that you do not require hardware or software licenses to implement your service.

5. Point out the wrong statement.
a) Internet consumes roughly 1 percent of the world’s total power
b) The cost advantages of cloud computing have enabled new software vendors to create productivity applications
c) A client can provision computer resources without the need for interaction with cloud service provider personnel
d) None of the mentioned

Answer: a
Clarification: Data centers have been sited to have access to low cost power.

6. All cloud computing applications suffer from the inherent _______ that is intrinsic in their WAN connectivity.
a) propagation
b) latency
c) noise
d) all of the mentioned

Answer: b
Clarification: While cloud computing applications excel at large-scale processing tasks, if your application needs large amounts of data transfer, cloud computing may not be the best model for you.

7. Cloud computing is a _______ system and it is necessarily unidirectional in nature.
a) stateless
b) stateful
c) reliable
d) all of the mentioned

Answer: a
Clarification: Cloud computing is a stateless system, as is the Internet in general.

8. Which of the following is the most important area of concern in cloud computing?
a) Security
b) Storage
c) Scalability
d) All of the mentioned

Answer: a
Clarification: When your data travels over and rests on systems that are no longer under your control, you have increased risk due to the interception and malfeasance of others.

9. You can’t count on a cloud provider maintaining your _____ in the face of government actions.
a) scalability
b) reliability
c) privacy
d) none of the mentioned

Answer: c
Clarification: Cloud computing industry continues to address security concerns.

10. Which of the following architectural standards is working with cloud computing industry?
a) Service-oriented architecture
b) Standardized Web services
c) Web-application frameworks
d) All of the mentioned

Answer: a
Clarification: These standards help to enable different business models that cloud computing vendors can support, most notably Software as a Service (SaaS), Web 2.0 applications, and utility computing.

Cloud Computing Multiple Choice Questions on “Virtualization Technologies”.

1. A ______ is a combination load balancer and application server that is a server placed between a firewall or router.
a) ABC
b) ACD
c) ADC
d) All of the mentioned

Answer: c
Clarification: An Application Delivery Controller is assigned a virtual IP address (VIP) that maps to a pool of servers based on application specific criteria.

2. Point out the wrong statement.
a) Abstraction enables the key benefit of cloud computing: shared, ubiquitous access
b) Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made
c) All cloud computing applications combine their resources into pools that can be assigned on demand to users
d) All of the mentioned

Answer: c
Clarification: Several important cloud computing approaches use a strictly hardware-based approach to abstraction.

3. Which of the following type of virtualization is also characteristic of cloud computing?
a) Storage
b) Application
c) CPU
d) All of the mentioned

Answer: d
Clarification: To enable these characteristics, resources must be highly configurable and flexible.

4. The technology used to distribute service requests to resources is referred to as _____________
a) load performing
b) load scheduling
c) load balancing
d) all of the mentioned

Answer: c
Clarification: Load balancing is an optimization technique.

5. Point out the correct statement.
a) A client can request access to a cloud service from any location
b) A cloud has multiple application instances and directs requests to an instance based on conditions
c) Computers can be partitioned into a set of virtual machines with each machine being assigned a workload
d) All of the mentioned

Answer: d
Clarification: Alternatively, systems can be virtualized through load-balancing technologies.

6. Which of the following software can be used to implement load balancing?
a) Apache mod_balancer
b) Apache mod_proxy_balancer
c) F6’s BigIP
d) All of the mentioned

Answer: b
Clarification: Load balancing can be used to increase utilization and throughput, lower latency, reduce response time, and avoid system overload.

7. Which of the following network resources can be load balanced?
a) Connections through intelligent switches
b) DNS
c) Storage resources
d) All of the mentioned

Answer: d
Clarification: Load balancing provides the necessary redundancy to make an intrinsically unreliable system reliable through managed redirection.

8. Which of the following is a more sophisticated load balancer?
a) workload managers
b) workspace managers
c) rackserve managers
d) all of the mentioned

Answer: a
Clarification: They determine the current utilization of the resources in their pool.