Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
Virtual networks (VNets) - Answer: Azure networking model that provides isolation and
protection
Network security groups (NSGs) - Answer: primary tool you use to enforce and control network
traffic rules at the networking level
True or false: for security reasons, you must use an image from the official Azure Marketplace
when creating a new virtual machine. - Answer: False
What is the effect of the default network security settings for a new virtual machine? - Answer:
Outbound request are allowed. Inbound traffic is only allowed from within the virtual network
Suppose you have several Linux virtual machines hosted in Azure. You will administer these VMs
remotely over SSH from three dedicated machines in your corporate headquarters. Which
authentication method would typically be considered best-practice for this situation? - Answer:
Private key with passphrase
Suppose you want to run a network appliance on a virtual machine. Which workload option
should you choose? - Answer: Compute optimized
,True or false: Resource Manager templates are JSON files? - Answer: True
Resources of a VM - Answer: VM, AZ Storage Account, VHDs, VNet, Network interface, public IP
(optional)
Unmanaged vs. Managed disks - Answer: Increased reliability, better security, snapshot support,
backup support
When creating a Windows virtual machine in Azure, which port would you open using the
INBOUND PORT RULES in order to allow remote-desktop access? - Answer: RDP (3389)
Suppose you have an application running on a Windows virtual machine in Azure. What is the
best-practice guidance on where the app should store data files? - Answer: An attached data
disk
What is the final rule that is applied in every Network Security Group? - Answer: Deny All
Which is a good reason to pick MEAN for your development stack? - Answer: JavaScript
development focus
What's a NoSQL database? - Answer: It's a database that doesn't require data to be structured
in a pre-defined way.
What's the role of AngularJS in the MEAN stack? - Answer: AngularJS implements data binding
for HTML and JavaScript. For example, you can use AngularJS to retrieve items from a database
and display those items in the UI.
, Options to create VM - Answer: Portal, Resource Manager, Powershell, Azure CLI, Programmatic
API
Benefit VMs (IaaS) - Answer: full controll configuration
Cloud deployment approaches - Answer: Private, public, hybrid
Which cloud deployment model would be the best match for the following situation? A SQL
server database is needed for a short-term project. The IT department does not have available
hardware that meets the performance requirements or resources to deploy it. The project starts
next week. Once the project is over, the database is no longer needed. - Answer: public cloud
Which cloud deployment model is described in the following scenario? You create several
virtual machines in the cloud. The VMs are networked together using a virtual network. The
VMs have access to x-ray image files in cloud storage. One of the VMs is a web server that host a
website exposed to the Internet for customers to access their records. There is a VPN that
connects the solution to your on-premises datacenter for customer information to display with
the image files. - Answer: hybrid cloud
Which cloud deployment model is described in the following scenario? You have two
datacenters in your organization. One datacenter has a database that can only reside in one of
the datacenters because of a regulatory requirement. You want to access the database from the
other datacenter. You create a VPN using a cloud provider to connect the two datacenters. -
Answer: private cloud
Which cloud service model would be the best match for the following situation? A SQL Server
database is needed for a short-term project. The IT department does not have available
hardware that meets the performance requirements or resources to deploy it. The project starts
next week. Once the project is over, the database is no longer needed. - Answer: PaaS
Which cloud service model is described in the following scenario? You create several virtual
machines in the cloud. The VMs are networked together using a virtual network. The VMs have