AZ-900, Question Set-05

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Question 41:

You want to build a serverless workflow with a GUI involving reading feed from Twitter to your Organization Twitter handle and store the message them using Azure Table Storage. Which of these services would you recommend?

A.    Azure Kubernetes Service

B.    Azure Logic Apps

C.    Azure Functions

 

(Correct B) Explanation

Logic Apps is a serverless orchestration service recommended for automating workflows.

 

Question 42:

TRUE or FALSE: All virtual machines in a Virtual Network can communicate with other machines inside the same Virtual Network irrespective of the subnets they are in.

A.    TRUE

B.    FALSE

 

(Correct A) Explanation

Resources in the same VNet can communicate using private IP addresses even if they are in different subnets

 

Question 43:

TRUE or FALSE: Customer is responsible for scalability when using Platform as a Service (PaaS) like Cosmos Database

A.    FALSE

B.    TRUE

 

(Correct A) Explanation

When using PaaS, Cloud provider is responsible for: OS (incl. upgrades and patches), Application Runtime, Auto scaling, Availability & Load balancing etc. You are responsible for Configuration (of Application and Services) and Application code (if needed).

 

Question 44:

You are running your web applications on Azure Webapps. You are using Azure Cosmos DB for storing data. Which type of cloud are you making use of?

A.    Private

B.    Public

C.    Hybrid

D.    Own Datacenter

 

(Correct B) Explanation

Public Cloud: You host everything in the cloud (You DO NOT need a data center anymore)

 

Question 45:

You have an Azure Postgresql DB instance created in a resource group RG1. RG1 has delete lock enabled. There is no direct lock on the Azure Postgresql DB instance. Which of these would represent the minimum set of actions to delete the Postgresql DB instance (assuming you have all the permissions needed)?

A.    Delete Postgresql DB directly as there is no direct lock

B.    Remove DeleteLock in Resource group first and then delete Postgresql DB

C.    Delete Resource Group

 

(Correct B) Explanation

You need to first remove the lock before you can perform actions on the resources.

 

Question 46:

TRUE or FALSE: Availability Zones in a Azure region are connected through low-latency links

A.    TRUE

B.    FALSE

 

(Correct A) Explanation

Each AZ has independent & redundant power, networking & connectivity. AZs in a region are connected through low-latency links.

 

Question 47:

You do not want to allow creation of an Azure Cosmos DB instances in specific resource groups. Which of these options would you recommend?

A.    Request Azure Customer service

B.    Resource Group Lock

C.    Configure a Azure Policy

 

(Correct C) Explanation

Azure Policy helps you create, assign, and manage policies. You can automatically ensure that resources stay compliant with defined standards and SLAs.

 

Question 48:

Which of the following services provides automated recommendations to improve reliability, security & performance, achieve operational excellence & reduce costs of your Azure infrastructure?

A.    Azure Market Place

B.    Azure Monitor

C.    Azure Policy

D.    Azure Advisor

 

(Correct D) Explanation

Azure Advisor: Automated recommendations to improve reliability, security & performance, achieve operational excellence & reduce costs

 

Question 49:

Application Insights, VM insights, Container insights and Log Analytics are features of:

A.    Azure Security Center

B.    Azure Service Health

C.    Azure Advisor

D.    Azure Monitor

 

(Correct D) Explanation

Application Insights, VM insights, Container insights and Log Analytics are features of Azure Monitor.

 

Question 50:

You want your virtual machines to survive a data center failure. Which one of these options will meet the requirement?

A.    None of the above

B.    Use Availability Sets

C.    Deploy VM in Two or more Availability Zones

 

(Correct C) Explanation

The best approach to survive a data center failure is to deploy your VMs to multiple AZs.

 

Question 51:

Your performance testing team needs to deploy 100s of VMs each week with different Operating Systems (Windows and multiple Linux distributions). You provision these machines when you need them to run your performance tests. You destroy the instances after running the tests. Which of these services is recommended to automate the needs of your performance testing team?

A.    Azure Availability Sets

B.    Azure DevTest Labs

C.    Azure Virtual Machine Scale Set

D.    Azure Reserved Virtual Machines

 

(Correct B) Explanation

Azure DevTest Labs: Quickly provision development and test environments

 


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