Question : Being a QuickTechie.com AWS Developer you have launched two EC instances in the same region with separate security groups. How can the user define that he wants both instances to communicate internally on any port in the security group?
1. In the second instance allow inbound on port 0-65535 for the security group of the first instance 2. In the first instance allow inbound on port 0-65535 for the security group of the second instance 3. Access Mostly Uused Products by 50000+ Subscribers 4. By default each instance can talk to the other instance in the same region. It is not required to the configure security group
Explanation: When a user wants EC2 instances in the same region to collaborate, the user should open the security group of each instance in the other instance's security group for IP range 0-65535. This will allow both instances to communicate on any port.
Question : Being a QuickTechie.com AWS Developer you have launched an EBS optimized instance with EC. Which of the below mentioned options is the correct statement? 1. The user will have a PIOPS based EBS volume 2. It will be launched on dedicated hardware in VPC 3. Access Mostly Uused Products by 50000+ Subscribers 4. It provides additional dedicated capacity for EBS IO
Explanation: An Amazon EBS-optimized instance uses an optimized configuration stack and provides additional, dedicated capacity for the Amazon EBS I/O. This optimization provides the best performance for the user's Amazon EBS volumes by minimizing contention between the Amazon EBS I/O and other traffic from the user's instance.
Question : Being a QuickTechie.com AWS Developer you have launched EC instances inside a placement group. Which of the below mentioned statements is true with respect to the placement group? 1. All instances must be in the same region 2. The placement group cannot have more than 5 instances 3. Access Mostly Uused Products by 50000+ Subscribers 4. All instances can be across multiple regions
Explanation: A placement group is a logical grouping of EC2 instances within a single Availability Zone. Using placement groups enables applications to participate in a low-latency, 10 Gbps network. Placement groups are recommended for applications that benefit from low network latency, high network throughput or both