Explain what happens with React's "virtual DOM" whenever render fires, and why it's so great.

What are Synthetic events?

How can you access something inside state?

How can you set state initially (within the constructor() method)?

What is the primary type in React? It's a light, stateless, immutable, virtual rep of a DOM element?

What is one of the core types in React?

How to assign form values to properties on the component object?

How you will update a Component's state?

What is a state? How to use state?

Why do we capitalize components?

What is the module loader of choice for React developers?

What's a difference between a DOM object and a virtual DOM object?

What is virtual DOM diffing?

How Virtual DOM Works?

Explain Virtual DOM?

Explain what is Prop?

In JSX why you can't use "class" word?

A JSX expression must have exactly how many outermost elements?

If a JSX expression takes up more than one line, what should you do?

Can you nest JSX elements inside of other JSX elements?

Can Browsers read JSX? If not, Why?

Write small code that will render a JSX expression?

What do you understand by JSX? Explain it.

Is it true or false that ReactJS is an MVC based framework?

What two things do you need to pull in on the main index.html file? ReactJS

What are the advantages/benefits and limitations of React?

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What is ReactJS?

How you will connect to JSON Data in Dundas BI

What are the benefits of Animated Data Transitions?

What is the difference between Dundas Dashboard and Dundas BI?

Explain the Key Features of Dundas BI?

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Explain what is Dundas BI?

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What is Power BI Desktop?

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What’s the difference between Power BI and Power BI Pro?

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Top 60 AWS DevOps Real Time Interview Questions Answers

What is Puppet?

What is Scrum?

What is Build Automation?

What do you understand by LXC?

Explain what do you understand by A3 Problem Solving?

Explain Git?

What do you understand by term Provisioning in DevOps?

What is Dark Launch?

What do you understand by NGINX?

What do you understand by Acceptance Testing?

What is Chef?

Deploy vs. Release in DevOps? What do you understand by these two terms?

What are the Principles of DevOps?

What are the Disadvantages of using DevOps?

What is Elastic Block Store?

What is Software-as-a-Service?

How do you practice DevOps?

What do you understand by Agile Software Development?

What are the steps to build a custom VPC?

What are the AWS Services for DevOps?

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What do you understand by this diagram?

DevOps focuses on 4 primary areas within IT?

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What are the Advantage/Benefits of using AWS for DevOps? Why use AWS for DevOps?

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What are the Advantage/Benefits of DevOps? AWS DevOps Interview Questions

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What is DevOps? AWS DevOps Interview Questions Answers

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Top 95 AWS VPC Interview Questions Answers PDF

Can Amazon EC2 instances within a VPC communicate with Amazon S3?

How do you disable NAT-T on my connection?

How do you assign private IP addresses to Amazon EC2 instances within a VPC?

Is there a limit on how large or small a subnet can be?

How many subnets can I create per VPC?

Can you change a VPC's size?

What defines billable VPN connection-hours?

Can you assign multiple IP addresses to an instance?

Can you assign any IP address to an instance?

What IP address ranges are assigned to a default VPC?

How do you assign IP address ranges to VPCs?

What IP address do you use for your CGW address?

Can you NAT your CGW behind a router or firewall?

Are there any VPN connection throughput limitations?

How do I connect a VPC to my corporate datacenter?

What tools are available to me to help troubleshoot my Hardware VPN configuration?

Does ClassicLink affect the access control between the EC2-Classic instance, and other instances that are in the EC2-Classic platform?

Can traffic from an EC2-Classic instance travel through the Amazon VPC and egress through the Internet gateway, virtual private gateway, or to peered VPCs?

Name any VPCs for which you cannot enable ClassicLink?

Which customer gateway devices can I use to connect to Amazon VPC?

What is IPsec?

How does a hardware VPN connection work with Amazon VPC?

How do instances without public IP addresses access the Internet?

How do instances in a VPC access the Internet?

Does Amazon VPC support multicast or broadcast?

What does an Amazon VPC router do?

Does the Amazon VPC VPN Connection have a Service Level Agreement (SLA)?

How many VPCs, subnets, Elastic IP addresses, Internet gateways, customer gateways, virtual private gateways, and VPN connections can you create?

Can you use the AWS Management Console to control and manage Amazon VPC?

Can you specify which subnet will use which gateway as its default?

Can you modify the VPC route tables? How?

Will ClassicLink settings on my EC2-Classic instance persist through stop/start cycles?

Does the EC2-Classic instance become a member of the VPC?

How do you use ClassicLink?

What is ClassicLink?

Is there any bandwidth limitations for peering connections?

Is VPC peering traffic within the region encrypted?

Do you need an Internet Gateway to use peering connections?

Can you peer two VPCs with matching IP address ranges?

Can you use AWS Direct Connect or hardware VPN connections to access VPCs I’m peered with?

Can you detach the primary interface (eth0) on my EC2 instance?

Can you use Elastic Network Interfaces as a way to host multiple websites requiring separate IP addresses on a single instance?

Can you attach a network interface in one VPC to an instance in another VPC?

Can you attach a network interface in one Availability Zone to an instance in another Availability Zone?

Can you have more than two network interfaces attached to my EC2 instance?

Can you peer my VPC with a VPC belonging to another AWS account?

Can you create a peering connection to a VPC in a different region?

What if your peering connection goes down?

Can you attach or detach one or more network interfaces to an EC2 instance while it’s running?

How are IAM accounts impacted by default VPC?

You really want a default VPC for my existing EC2 account. Is that possible?

You have an existing EC2-Classic account. Can I get a default VPC?

If you peer VPC A to VPC B and I peer VPC B to VPC C, does that mean VPCs A and C are peered?

If you delete my side of a peering connection, will the other side still have access to my VPC?

Can you delete a default subnet?

Can you delete a default VPC?

Do you need to have a VPN connection to use a default VPC?

Can you use Amazon EC2 Reserved Instances with Amazon VPC?

Can you boot an Amazon EC2 instance from an Amazon EBS volume within Amazon VPC?

Can you use my existing Amazon EBS snapshots?

What are the differences between instances launched in EC2-Classic and EC2-VPC?

Will you need to know anything about Amazon VPC in order to use a default VPC?

Can you create additional subnets in my default VPC, such as private subnets?

Can you create other VPCs and use them in addition to my default VPC?

How can you know if my account is configured to use a default VPC?

What accounts are enabled for default VPC?

What are the advantage of a default VPC?

What is a default VPC?

Can you launch Amazon EC2 Cluster Instances in a VPC?

How many default subnets are in a default VPC?

What is the IP range of a default VPC?

How many default VPCs can you have?

Can you employ Auto Scaling within Amazon VPC?

How many Amazon EC2 instances can you use within a VPC?

When you call DescribeVolumes(), do you see all of my Amazon EBS volumes, including those in EC2-Classic and EC2-VPC?

When you call DescribeInstances(), do you see all of my Amazon EC2 instances, including those in EC2-Classic and EC2-VPC?

How do you determine which Availability Zone my subnets are located in?

What are the differences between security groups in a VPC and network ACLs in a VPC?

How do you secure Amazon EC2 instances running within my VPC?

Are there any bandwidth limitations for Internet gateways? Do you need to be concerned about its availability? Can it be a single point of failure?

How do you specify which Availability Zone my Amazon EC2 instances are launched in?

Can you employ Amazon CloudWatch within Amazon VPC?

Can you use your existing AMIs in Amazon VPC?

Can a VPC span multiple Availability Zones?

Within which Amazon EC2 region(s) is Amazon VPC available?

Can you monitor the network traffic in your VPC?

Why can’t you ping the router, or my default gateway, that connects my subnets?

Can Amazon EC2 instances within a VPC communicate with Amazon EC2 instances not within a VPC?

Within Amazon VPC, can you use SSH key pairs created for instances within Amazon EC2, and vice versa?

What is the difference between stateful and stateless filtering?

Why should you use Amazon VPC, Advantage of using AWS VPC?

What are the components of Amazon VPC?

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