Questions and answers of az-900-test

1. When creating a virtual machine scale set, how do you determine that Vms are identical? 

Ans: Operating System disk image

2. Which Azure Virtual Machine component runs as a small software agent within the operating system?

Ans: Extension

3. Which options are available when configuring an Azure application gateway?

Ans: Public & Private

4. You have deployed an Active Directory domain controller as an Azure LaaS VM, but clients cannot locate the domain controller. What is the most likely cause of the problem?

Ans: Azure provided DNS

5. Which of the following are valid parameters for the New-AzVM PowerShell cmdlet?

Ans: ImageName & Credential

6. Which option differentiates the Azure Load Balancer and Azure Application Gateway?

Ans: URL Path Routing

7. Which type of Azure VPN should be configured for traveling end-users?

Ans: Point-to-site

8. Which term is most closely related to "server less computing?"

Ans: Managed Service

9. Which Azure VM setting defines the operating system that will be used?

Ans: Image

10. You are deploying a Linux VM in Azure and need to specify the amount of RAM. Which setting should you configure?

Ans: Size

11. Which PowerShell cmdlet is used to modify an Azure virtual network configuration?

Ans: Set-AzVirtualNetwork

12. Which web application component determines the virtual machine size?

Ans: App service plan

13. How does the Azure Load Balancer know which back-end VMs are unresponsive?

Ans: health probe

14. You have configured an Azure point-to-site VPN. What should you do to configure VPN clients?

Ans: Download the VPN client configuration

15. Which phrase best sums up the purposes of a content delivery network?

Ans: Increased speed of delivered content

16. Which of the following are examples of software defined networking in Azure?

Ans: Virtual Network & VPN Gateway

17. Yo are planning the deployment of a custom DNS server named DNS1 that will be hosted in an Azure VNet. Which IP Addressing option should you configure for DNS1?

Ans: Static

18. Which PowerShell Cmdlet is used to create an Azure Load Balancer?

Ans: New-AzLoadBalancer

19. Which port must be open to connect to Azure Linux VM public IP address using SSH?

Ans: 22

20. When creating a logic app, you need to specify that an email message will be sent. Which option allows the configuration?

Ans: Add an action

21. You are using the Azure CLI and need to show all virtual networks. Which command should you issue?

Ans: az network vnet list

22. Which statement regarding virtual machine scale sets is correct?

Ans: VMs must be identical

23. You have configured a content delivery network (CDN) for a web application. What should you do to test that the CDN is functional?

Ans: Connect to the CND endpoint in a web browser

24. Which statements regarding Azure VNets is correct?

Ans: One or more subnets can be added

The subnet range must fall within the VNet range

25. Which of the following are valid Azure Function triggers?

Ans: QueueTrigger, BlobTrigger

26. What does Azure Data Lake Analytics use to process data?

Ans: Jobs

27. Which statements regarding Azure SQL geo-replication are correct?

Ans:

- Multiple secondary replicas can be created
- Secondary replicas can be promoted to primary

28. Azure SQL database is a type of:

Ans: PaaS

29. Which open source framework can HDInsight use for in-memory parallel processing?

Ans: Apache Spark

30. Which type of commands are sent from an app to the control node?

Ans: T-SQL

31. Which Azure Data Lake configuration determines the compute horse power?

Ans: DLAU

32. Which Azure resource can be configured to use Apache Hadoop?

Ans: HDInsight

33. Which of the following is a characteristic of big data?

Ans: The pace at which data is produced

34. Which Azure CLI command creates an Azure SQL database?

Ans: az sql db create --resource-group rg1 --server sqlsrv5563 --name db15552

35. Which port is used for connectivity to Azure SQL?

Ans: 1433

36. Which types of project can be created using the Data Migration Assistant tool?

Ans: Migration Assessment

37. Which statements regarding CosmosDB are correct?

Ans: 

- API selection determines the account type
- Encryption for data at rest is

38. Which language is used to submit Azure Data Lake jobs?

Ans: U-SQL

39. Which Azure Database Migration Service option uses a dedicated network circuit?

Ans: ExpressRoute

40. Which of the following words best identifies a difference between SQL and NoSQL databases?

Ans: Schema

41. You have configured an Azure storage account with Azure Data Lake. How can toy view storage account files?

Ans: Data Explorer

42. Which statements regarding Azure SQL Data Warehouses are correct?

Ans: 

- A separate Azure SQL Server is required
- Data Warehouse units determine the compute power

43. Which SQL database strategy reduces repeated data?

Ans: Normalization