2016/09 New 70-534: Architecting Microsoft Azure Solutions Exam Qustions Updated Today!
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QUESTION 47
You are designing a plan to migrate an existing application to Windows Azure. The application currently resides on a server that has 20 GB of hard disk space. You need to recommend the smallest compute instance size that provides local storage equivalent to that of the existing server.
Which size should you recommend?
A. ExtraSmall
B. ExtraLarge
C. Small
D. Large
Answer: A
QUESTION 48
An application currently resides on an on-premises virtual machine that has 2 CPU cores, 4 GB of RAM, 20 GB of hard disk space, and a 10 megabit/second network connection.
You plan to migrate the application to Azure.
You have the following requirements:
– You must not make changes to the application.
– You must minimize the costs for hosting the application.
You need to recommend the appropriate virtual machine instance type.
Which virtual machine tier should you recommend?
A. Network Optimized (A Series)
B. General Purpose Compute, Basic Tier (A Series)
C. General Purpose Compute, Standard Tier (A Series)
D. Optimized Compute (D Series)
Answer: B
Explanation:
General purpose compute: Basic tier
An economical option for development workloads, test servers, and other applications that don’t require load balancing, auto-scaling, or memory-intensive virtual machines.
CPU core range: 1-8
RAM range: 0.75 – 14 GB
Disk size: 20-240 GB
Incorrect answers:
Not A: Network optimized: fast networking with InfiniBand support Available in select data centers. A8 and A9 virtual machines feature Intel® Xeon® E5 processors. Adds a 40Gbit/s InfiniBand network with remote direct memory access (RDMA) technology. Ideal for Message Passing Interface (MPI) applications, high-performance clusters, modeling and simulations, video encoding, and other compute or network intensive scenarios.
Not C: CPU core range: 1-8
RAM range: 0.75 – 56 GB
Disk size: 20-605 GB
Not D: D-series virtual machines feature solid state drives (SSDs) and 60% faster processors than the A-series and are also available for web or worker roles in Azure Cloud Services. This series is ideal for applications that demand faster CPUs, better local disk performance, or higher memories.
Virtual Machines Pricing. Launch Windows Server and Linux in minutes
http://azure.microsoft.com/en-us/pricing/details/virtual-machines/
QUESTION 49
You are designing an Azure web application that includes many static content files.
The application is accessed from locations all over the world by using a custom domain name.
You need to recommend an approach for providing access to the static content with the least amount of latency,
Which two actions should you recommend? Each correct answer presents part of the solution.
A. Place the static content in Azure Table storage.
B. Configure a CNAME DNS record for the Azure Content Delivery Network (CDN) domain.
C. Place the static content in Azure Blob storage.
D. Configure a custom domain name that is an alias for the Azure Storage domain.
Answer: BC
Explanation:
B: There are two ways to map your custom domain to a CDN endpoint.
1. Create a CNAME record with your domain registrar and map your custom domain and subdomain to the CDN endpoint
2. Add an intermediate registration step with Azure cdnverify
C: The Azure Content Delivery Network (CDN) offers developers a global solution for delivering highbandwidth content by caching blobs and static content of compute instances at physical nodes in the United States, Europe, Asia, Australia and South America.
The benefits of using CDN to cache Azure data include:
/ Better performance and user experience for end users who are far from a content source, and are using applications where many ‘internet trips’ are required to load content
/ Large distributed scale to better handle instantaneous high load, say, at the start of an event such as a product launch
Using CDN for Azure
https://azure.microsoft.com/en-gb/documentation/articles/cdn-how-to-use/
How to map Custom Domain to Content Delivery Network (CDN) endpoint
https://github.com/Azure/azure-content/blob/master/articles/cdn-map-content-to-customdomain.md
https://github.com/Azure/azure-content/blob/master/articles/cdn-map-content-to-customdomain.md
QUESTION 50
You are designing an Azure development environment.
Team members learn Azure development techniques by training in the development environment.
The development environment must auto scale and load balance additional virtual machine (VM) instances.
You need to recommend the most cost-effective compute-instance size that allows team members to work with Azure in the development environment.
What should you recommend?
A. Azure A1 standard VM Instance
B. Azure A2 basic VM Instance
C. Azure A3 basic VM Instance
D. Azure A9 standard VM Instance
Answer: A
Explanation:
Azure A1 standard VM Instance would be cheapest with 1 CPU core, 0.75 GB RAM, and 40 GB HD. It would be good enough for training purposes.
Virtual Machines Pricing, Launch Windows Server and Linux in minutes
http://azure.microsoft.com/en-us/pricing/details/virtual-machines/
QUESTION 51
You are designing an Azure application that provides online backup storage for hundreds of media files. Each file is larger than 1GB.
The data storage solution has the following requirements:
– It must be capable of storing an average of 1TB of data for each user.
– It must support sharing of data between all Windows Azure instances.
– It must provide random read/write access.
You need to recommend a durable data storage solution.
What should you recommend?
A. Azure Drive
B. Azure Page Blob service
C. Azure Block Blob service
D. Local storage on an Azure instance
Answer: B
Explanation:
Block blobs can store up to 200 GB of data and are optimized for streaming.
This is the type by which most blobs are stored.
Page blobs can store up to 1 TB and are optimized for random read/ write operations.
They provide the ability to write to a range of bytes in a Blob.
Virtual Drives in Azure Virtual Machines use page blobs because they are accessed randomly.
https://msdn.microsoft.com/en-us/library/azure/ee691964.aspx
QUESTION 52
You are designing an Azure web application.
All users must authenticate by using Active Directory Domain Services (AD DS) credentials.
You need to recommend an approach to enable single sign-on to the application for domain-authenticated users.
Which two actions should you recommend? Each correct answer presents part of the solution.
A. Use Forms authentication to generate claims.
B. Use the SQL membership provider in the web application.
C. Use Windows Identity Foundation in the web application.
D. Use Active Directory Federation Services (AD FS) to generate claims.
Answer: CD
Explanation:
What is Windows Identity Foundation?
https://msdn.microsoft.com/en-us/library/ee748475.aspx
DirSync with Single Sign-On
https://msdn.microsoft.com/en-us/library/azure/dn441213.aspx
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