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AWS VPC classic link is most important to connect EC2 instance classic form with the VPC using IP address. We need to activate this link in the VPC account. All by default rules will be applicable as per the VPC security group between the EC2 classic instance and the instance in the VPC.
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If you want to connect Amazon EC2-classic instances to VPC, you have to use ClassicLink. This work only within the same region and this makes use of private IP addresses. Its working is simple- you just have to enable ClassicLink in your VPC account and associate a security group from VPC to EC2-classic instance.
This type of questions are the additions AWS VPC interview questions that you shouldn’t miss so prepare yourself with the answer.
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This AWS VPC provides the given below features:
IPv4 and IPv6 address book.
Internet connectivity.
Subnet creation.
Route tables.
Elastic IP addresses.
Network/ Subnet security.
Additional networking services.
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These VPC’s are existing in the AWS roundabout. This AWS around a geographic area. It can be around the world in Amazon's clustered data centers. It is lived in that assigned geographical area only to maintain customer distribution. So that in different areas customers can not set up another VPC in another geographical area.
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Absolutely not. One virtual network is available in Azure, but they are not the same or related. Both of them have a few common features and different key features also.
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The answer is no. We can find out about it from the AWS management console in a by-fault VPC. AWS used to create one by default VPC. We need to create a default subnet for each available zone. Default VPC will be connected to the internet through the gateway automatically.
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If we want to use a classic link, then we need to activate at least one VPC in our account, particularly for the classic link. Now we need to tag one security group from the VPC with the expected classic link. Now our EC2 classic instance is connected to a VPC. This classic link is now a member of a security group in VPC. Please remember that the EC2 classic instance can not be connected to more than one VPC at a time.
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This AWS VPC router allows the AWS EC2 instance to connect with another EC2 instance from another subnet but from the same VPC. It also allows subnet, internet gateway, and virtual private gateway to communicate with each other. Note that the network usage data is not available from the router.
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One data center can connect hardware VPN with AWS VPC. AWS supports internet protocol security VPN connections only. The encrypted data will be transferred. VPN connection helps in data security while transiting. No internet gateway is required to establish a hardware VPN connection with AWS VPC.
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Yes, we can not connect classic links with classes inter-domain routing. That router range will be 10.0.0.0/8, with the exception of 10.0.0.0/16 and 10.1.0.0/16. Even if the VPC route table entry points to 10.0.0.0/8 classless inter-domain routing space to target other than local only.