PAS-C01 Technology Practice Question
Network Topology
An SAP administrator runs the AWS CLI command shown in the exhibit to describe an EBS volume attached to an EC2 instance running SAP HANA. The instance is in the us-east-1a Availability Zone. The administrator needs to create a volume in us-east-1b and copy the data from the existing volume. What is the most efficient way to achieve this?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a snapshot of the volume and then create a new volume in us-east-1b from the snapshot
Creating a snapshot of the existing volume is the most efficient way to copy data across Availability Zones. Then, create a new volume in us-east-1b from that snapshot. Detaching the volume and attaching it to an instance in us-east-1b is not possible because the volume is tied to its AZ. Creating an AMI is unnecessary overhead. Using rsync over the network would require an instance in the same AZ and network bandwidth.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use rsync to copy data from the instance to a new volume in us-east-1b over the network
Why it's wrong here
This would require network transfer and may be slower and less efficient than using snapshots.
- ✗
Detach the volume from the instance and attach it to an instance in us-east-1b
Why it's wrong here
EBS volumes are tied to their Availability Zone and cannot be attached to instances in a different AZ.
- ✓
Create a snapshot of the volume and then create a new volume in us-east-1b from the snapshot
Why this is correct
Snapshots are AZ-independent and can be used to create volumes in different AZs.
- ✗
Create an AMI from the instance and launch a new instance in us-east-1b
Why it's wrong here
This would include the OS and other volumes, which is more overhead than needed.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.