72 AWS · Compute questions from the Cloud bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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D.Reserved Instances — AWS's Arm-based custom processors offering better price-performance for many workloads
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16. What is Auto Scaling Group?
Mid
A.a billing commitment (1 or 3 years) that discounts EC2 in exchange for steady usage
B.reserves EC2 capacity in a specific AZ to guarantee instances are available when needed
C.a managed pool of EC2 instances that adds or removes capacity to meet a target
D.a logical grouping of instances controlling spread, cluster, or partition physical placement
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17. Which term means: "a managed pool of EC2 instances that adds or removes capacity to meet a target"?
Mid
A.Auto Scaling Group
B.Reserved Instances
C.Placement Group
D.Launch Template
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18. Which statement is correct?
Mid
A.Auto Scaling Group — a static public IPv4 address you can allocate and remap between EC2 instances
B.Auto Scaling Group — a logical grouping of instances controlling spread, cluster, or partition physical placement
C.Auto Scaling Group — a managed pool of EC2 instances that adds or removes capacity to meet a target
D.Auto Scaling Group — a billing commitment (1 or 3 years) that discounts EC2 in exchange for steady usage
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19. What is Placement Group?
Senior
A.spare EC2 capacity offered at steep discounts that AWS can reclaim with a two-minute warning
B.a logical grouping of instances controlling spread, cluster, or partition physical placement
C.a physical EC2 server fully allocated to one account, often for licensing compliance
D.a network interface for HPC and ML workloads needing low-latency, high-throughput communication
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20. Which term means: "a logical grouping of instances controlling spread, cluster, or partition physical placement"?
Senior
A.Capacity Reservation
B.Instance Store
C.Launch Template
D.Placement Group
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21. Which statement is correct?
Senior
A.Placement Group — a logical grouping of instances controlling spread, cluster, or partition physical placement
B.Placement Group — reserves EC2 capacity in a specific AZ to guarantee instances are available when needed
C.Placement Group — a physical EC2 server fully allocated to one account, often for licensing compliance
D.Placement Group — spare EC2 capacity offered at steep discounts that AWS can reclaim with a two-minute warning
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22. What is Instance Store?
Senior
A.a static public IPv4 address you can allocate and remap between EC2 instances
B.a network interface for HPC and ML workloads needing low-latency, high-throughput communication
C.resizable virtual machines (instances) running in the AWS cloud
D.ephemeral block storage physically attached to the host; data is lost when the instance stops
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23. Which term means: "ephemeral block storage physically attached to the host; data is lost when the instance stops"?
Senior
A.EC2
B.Elastic IP
C.Placement Group
D.Instance Store
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24. Which statement is correct?
Senior
A.Instance Store — a versioned blueprint of instance settings used by Auto Scaling and run-instances
B.Instance Store — ephemeral block storage physically attached to the host; data is lost when the instance stops
C.Instance Store — AWS's Arm-based custom processors offering better price-performance for many workloads
D.Instance Store — Amazon Machine Image; the template of OS, libraries, and config used to launch an EC2 instance
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25. What does aws ec2 run-instances do?
Junior
A.creates an AMI from a running or stopped EC2 instance
B.reports system and instance reachability status checks for instances
C.submits a request for one or more Spot Instances at a bid price
D.launches a new EC2 instance from a specified AMI and instance type
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26. Which command will launches a new EC2 instance from a specified AMI and instance type?
Junior
A.aws ec2 modify-instance-attribute
B.aws ec2 describe-instance-status
C.aws ec2 describe-instances
D.aws ec2 run-instances
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27. Which statement is correct?
Junior
A.aws ec2 run-instances — launches a new EC2 instance from a specified AMI and instance type
B.aws ec2 run-instances — stops running EC2 instances (EBS-backed) without terminating them
C.aws ec2 run-instances — changes desired/min/max capacity of an Auto Scaling group
D.aws ec2 run-instances — changes attributes like instance type or security groups on a stopped instance
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28. What does aws ec2 describe-instances do?
Junior
A.stops running EC2 instances (EBS-backed) without terminating them
B.lists EC2 instances and their attributes in the current region
C.reports system and instance reachability status checks for instances
D.permanently deletes one or more EC2 instances
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29. Which command will lists EC2 instances and their attributes in the current region?
Junior
A.aws ec2 describe-instances
B.aws ec2 create-image
C.aws ec2 describe-instance-status
D.aws ec2 run-instances
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30. Which statement is correct?
Junior
A.aws ec2 describe-instances — lists EC2 instances and their attributes in the current region
B.aws ec2 describe-instances — changes attributes like instance type or security groups on a stopped instance
C.aws ec2 describe-instances — permanently deletes one or more EC2 instances
D.aws ec2 describe-instances — creates an AMI from a running or stopped EC2 instance
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