AWS-EC2

You have created an instance in EC2, and you want to connect to it. What should you do to log in to the system for the first time?

• Use the key-pair combination (private and public keys)

• Use your cell phone to get a text message for secure login

• Log in via the root user.

• Use the username/password combination to login to the server

 What are the different ways of making an EC2 server available to the public?

• Create it inside a public subnet

• Create it inside a private subnet and assign a NAT device

• Attach an IPv6 address

• Allocate that with a load balancer and expose the load balancer to the public

Can you attach an EBS volume to more than one EC2 instance at the same time?

• Yes

• no

• If that EC2 volume is part of an AMI

• Depends on which region

)When creating a new security group, all inbound traffic is allowed by default.

• true

• false

If you terminated an EC2 instance, would that EBS root volume persist?

• Only if you specify (using the AWS Console or CLI) that it should do so

• It depends on the region in which the EC2 instance is provisioned

• no

• yes

 You know that you need 24 CPUs for your production server. You also know that your compute capacity is going to remain fixed until next year, so you need to keep the production server up and running during that time. What pricing option would you go with?

•  A spot instance

• On-demand instance

• Three-year reserved instance

• One-year reserved instance

You are attempting to launch EC2 instances in an Auto Scaling group. However, every time you try, the launch operation fails. Which of the following could be a reason for the failure? (3 answers)

• The security group specified in the launch template doesn't exist.

• The requested instance type is not supported in your Availability Zone.

• The key pair you have specified doesn't exist.

• You have hit the default limit for the number of times you can use the key pair

Suppose a subnet is created and an EC2 instance is launched in the subnet with default settings. Which of the following options will be ready to use on the EC2 instance as soon as it is launched?

• Internet Gateway

• Elastic IP

• Public IP

• Private IP

Where does a user specify the maximum number of instances with the auto-scaling commands?

• Auto-Scaling Group

• Auto-Scaling Tags Configuration

• Auto-Scaling Policy Configuration

• Auto-Scaling Launch Configuration

Which Amazon EC2 pricing model adjusts based on supply and demand of EC2 instances?

•  On-Demand Instances

• Reserved Instances

• Spot Instances

• Convertible Reserved Instances