Deck 26: Windows Azure Cloud Computing Case Study

Question 1

Which of the following is not a Windows Azure primary storage service:

A)BLOB (Binary Large OBject),which stores arbitrary binary data,such as images,audio and video.
B)Table,which stores unstructured data (known as entities)that does not require complex manipulations like those that can be performed on data in a SQL database.
C)Record,which stores key-value pairs.
D)SQL Database,which stores structured relational database data.

Answer 1

C

Question 2

Which of the following is not a key use case for Windows Azure cloud computing:

A)Mobile apps-Use Windows Azure to support your mobile apps across a variety of platforms (e.g. ,Windows Phone 8,iOS,Android)-for example,authenticating app users,storing data and sending push notifications to users' devices.
B)Infrastructure-Set up servers in the cloud and scale your infrastructure (e.g. ,processor cycles,memory and secondary storage)as needed,paying for only what you use rather than purchasing additional costly hardware.
C)Storage,Backup and Recovery-Use Windows Azure's secure,reliable storage space to back up your data.The data is stored on servers in multiple locations worldwide to ensure that it's safe and accessible even in the case of a local disaster.
D)All are key use cases for Windows Azure.

Answer 2

D

Question 3

Which of the following statements about cloud computing is true?

A)Cloud computing allows you to use software and data stored in the "cloud"-i.e. ,accessed on remote computers (or servers)via the Internet and available on demand-rather than having it stored on your desktop,notebook computer or mobile device.
B)Cloud computing allows you to instantaneously scale your computing resources (e.g. ,storage and processing power)to meet their occasional peak levels,making it more cost effective than purchasing expensive hardware.
C)Microsoft's Windows Azure is a cloud computing platform that allows you to develop,manage and distribute your apps in the cloud.
D)All of the above.

Answer 3

D

Question 4

A ________ provides capabilities for selecting and filtering table contents.

A)TableSelect
B)TableRefine
C)TableFilter
D)TableQuery

Question 5

Which of the following statements is false?

A)When you sign up for Windows Azure,you get your own storage account.
B)Each Windows Azure storage account is currently limited to a maximum of 100 Gigabytes of data across all three storage services.
C)The Windows Azure development storage account allows you to locally test your apps that use Windows Azure Storage services before attaching them to a paid Azure account.
D)You specify the Windows Azure storage account in an app with an instance of class CloudStorageAccount (namespace Microsoft.WindowsAzure.Storage).

Question 6

The Windows Azure Storage Emulator lets you test the Azure storage capabilities of your apps ________ before you connect your apps to live Azure accounts in the cloud.

A)remotely
B)concurrently
C)locally
D)regionally

Question 7

Which of the following statements is false?

A)The CloudTableClient provides access to the Windows Azure Table Storage service from a client app.
B)Class CloudStorageAccount's CreateCloudTableClient method returns a CloudTableClient that's properly configured for the CloudStorageAccount on which it's called.
C)You use the CloudTableClient to get the table that the app manipulates.
D)None of the above.

Question 8

The from: operator locates tweets from a specified Twitter account and the ________ operator specifies a date in the format yyyy-mm-dd-tweets before that date will not appear in the search results.

A)before:
B)after:
C)since:
D)next:

Question 9

The cloud computing example that we built in the Windows Azure chapter used the ________ on your local computer rather than connecting to the fee-based Windows Azure cloud services.By doing this,we're able to demonstrate the basics of working with Windows Azure cloud-based storage without the need for a Windows Azure account.

A)Windows Azure Storage Simulator
B)Windows Azure MagiStor^®
C)Windows Azure Cache
D)Windows Azure Storage Emulator

Question 10

Which of the following statements is false?

A)Cloud services can be vulnerable to denial-of-service attacks and security breaches.
B)An advantage of using cloud services is that the cloud security and reliability burdens are on the service provider.
C)Microsoft Global Foundation Services (GFS)manages data centers for Windows Azure which comply with industry standards for security.
D)Microsoft uses internal checks and third-party auditors to ensure that Windows Azure is compliant with the security,privacy and reliability standards and policies.

Question 11

________ allows restricted access to blobs,tables,containers and queues for a set time period.

A)Windows Cloud Foundation (WCF).
B)Windows Azure AD Access Control.
C)Active Directory Federation Services.
D)Windows Azure Shared Access Signatures.

Question 12

Which of the following are key use cases for Windows Azure cloud computing:

A)Big data-The amount of data produced worldwide is enormous and growing quickly.Windows Azure enables you to scale your computing and storage capacity as needed,giving you flexibility and saving you the expense of buying hardware that's needed only occasionally.
B)Testing and development-Use multiple virtual machines to develop and test your apps in a variety of scenarios rather than buying additional hardware and software and setting up a variety of platforms.
C)Websites and web apps-Host your websites and web apps on Windows Azure which can handle varying demand and shifts the administrative burden (e.g. ,security and reliability)to Microsoft.
D)All of the above.

Question 13

WebBrowser method Navigate loads the specified web page into the control.

A)Load
B)Download
C)Navigate
D)Fetch

Question 14

Which of the following statements about Twitter search operators is false?

A)books +.net finds tweets containing books and .net.
B)"how to program" finds tweets containing the exact phrase "how to program".
C)multicore ? finds tweets asking questions about multicore.
D)programming :)finds positive attitude tweets containing programming.

Question 15

The TableEntity inherited property ________ is a unique string that's used by the Windows Azure Table Storage service to spread a table across multiple servers.

A)DistributionKey
B)RowKey
C)TimeStamp
D)PartitionKey