Implementing Microsoft Azure Infrastructure Solutions
Question No: 1
You are designing a Windows Azure application.
The application includes processes that communicate by using Windows Communications Foundation (WCF) services.
The WCF services must support streaming.
You need to recommend a host for the processes and a WCF binding.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)
Host the processes in web roles.
Host the processes in worker roles.
Use NetTcpBinding for the WCF services.
Use WSHttpBinding for the WCF services.
Question No: 2 HOTSPOT
You manage an Azure subscription.
You develop a storage plan with the following requirements:
In the table below, identify the storage redundancy type that must be used. Make only one selection in each column.
Question No: 3
An application uses Windows Azure Table storage. The application uses five tables.
One table used by the application is approaching the limit for storage requests per second. You need to recommend an approach for avoiding data access throttling.
What should you recommend?
Use a single partition key for the table.
Compress data before storing it in the table.
Create additional partition keys for the table.
Continually remove unnecessary data from the table.
Question No: 4
You are developing a REST API service that provides data about products.
The service will be hosted in an Azure virtual machine (VM). The product data must be stored in Azure tables and replicated to multiple geographic locations. API calls that use the HTTP GET operation must continue to function when the data tables at the primary Azure datacenter are not accessible.
You need to configure storage for the service. Which type of replication should you choose?
Locally Redundant Storage replication
Geo-Redundant Storage replication
Zone-Redundant Storage replication
Read-Access Geo-Redundant Storage replication
Question No: 5
You manage Azure Web Apps for a company. You migrate an on-premises web app to Azure. You plan to update the Azure Web App by modifying the connection string and updating the files that have changed since previous revision.
The deployment process must use Secure Socket Layer (SSL) and occur during off-peak hours as an automated batch process.
You need to update the Azure Web App.
What should you do?
Configure a File Transfer Protocol (FTP) transfer script.
Deploy the project from Microsoft Visual Studio.
Run theNew-AzureRMWebAppAzure PowerShell cmdlet.
Run theNew-AzureRmResouceGroupDeploymentAzure PowerShell cmdlet.
Question No: 6 DRAG DROP
You manage an Azure virtual machine (VM) named AppVM. The application hosted on AppVM continuously writes small files to disk. Recently the usage of applications on AppVM has increased greatly.
You need to improve disk performance on AppVM.
Which Microsoft Azure Power Shell cmdlet should you use with each Power Shell command line? To answer, drag the appropriate Microsoft Azure Power Shell cmdlet to the correct location in the Power Shell code. Each Power Shell cmdlet may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Sets the host-cache mode on an existing data disk object.
This command gets the quot;MyVMquot; virtual machine running on the quot;myservicequot; cloud service, and then sets the data disk at LUN 2 of the virtual machine to use Nonehost caching.
C:\PSgt;Get-AzureVM quot;myservicequot; -name quot;MyVMquot; | Set-AzureDataDisk -LUN 2 – HostCachingNone| Update-AzureVM
* Set-AzureDataDisk Parameter: -HostCachinglt;Stringgt;
Sets the host level caching settings of the disk. Possible values are: None, ReadOnly and ReadWrite ().
When you setup a data disk on a virtual machine, you get three host caching choices: The purpose of a cache is to cache data to be read as reading from a cache is faster than reading from a disk.
There is no performance benefit in caching the log files as these will not be re-read by the application. Therefore, we need the logs to be written directly to disks rather than being written to cache first then disk (Read) or written to the cache only (Read/Write).
Question No: 7
You manage a cloud service that is running in two small instances. The cloud service hosts a help desk application. The application utilizes a virtual network connection to synchronize data to the company#39;s internal accounting system.
You need to reduce the amount of time required for data synchronization. What should you do?
Configure the servers as large instances and re-deploy.
Increase the instance count to three.
Deploy the application to Azure Web Sites.
Increase the processors allocated to the instances.
Question No: 8
You administer a Microsoft Azure SQL Database data base in the US Central region named contosodb. Contosodb runs on a Standard tier within the S1 performance level.
You have multiple business-critical applications that use contosodb.
You need to ensure that you can bring contosodb back online in the event of a natural disaster in the US Central region. You want to achieve this goal with the least amount of downtime.
Which two actions should you perform? Each correct answer presents part of the solution.
Upgrade to S2 performance level.
Use active geo-replication.
Use automated Export.
Upgrade to Premium tier.
Use point in time restore.
Downgrade to Basic tier.
Answer: B,D Explanation:
B: The Active Geo-Replication feature implements a mechanism to provide database redundancy within the same Microsoft Azure region or in different regions (geo- redundancy).
One of the primary benefits of Active Geo-Replication is that it provides a database-level disaster recovery solution. Using Active Geo-Replication, you can configure a user database in the Premium service tier to replicate transactions to databases on different Microsoft Azure SQL Database servers within the same or different regions. Cross-region redundancy enables applications to recover from a permanent loss of a datacenter caused by natural disasters, catastrophic human errors, or malicious acts.
D: Active Geo-Replication is available for databases in the Premium service tier only.
Question No: 9 HOTSPOT
You have two on-premises networks. You need to connect the two networks to Azure. The networks must be secure.
You need to configure the environment.
Which actions should you perform? For each of the following statements, select Yes if the statement is true. Otherwise, select No.
Question No: 10
You administer an Azure Storage account named contosostorage. The account has a blob container to store image files.
A user reports being unable to access an image file.
You need to ensure that anonymous users can successfully read image files from the container.
Which log entry should you use to verify access?
Answer: A Explanation:
Check for GetBlob and for AnonymousSuccess.
Example: Get Blob AnonymousSuccess: 1.0;2011-07-
28T18:52:40.9241789Z;GetBlob;AnonymousSuccess;200;18;10;anonymous;;sally;blob;quot;htt p:// sally.blob.core.windows.net/thumbnails/lake.jpg?timeout=30000quot;;quot;/sally/thumbnails/lake.jpg quot;;a84aa705-8a85-48c5-b064-b43bd22979c3;0;188.8.131.52;2009-09- 19;252;0;265;100;0;;;quot;0x8CE1B6EA95033D5quot;;Thursday, 28-Jul-11 18:52:40 GMT;;;;quot;7/28/2011 6:52:40 PM ba98eb12-700b-4d53-9230-33a3330571fcquot;
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