MCQs on EBS Performance Optimization | AWS Amazon EBS MCQs
Boost your knowledge with these AWS Amazon EBS MCQ questions and answers covering Chapter 4: EBS Performance Optimization. This collection explores topics such as volume sizing, IOPS performance tuning, Multi-Attach, and Elastic Volumes. Prepare effectively for AWS certification exams or interviews with these advanced questions.
MCQs on Volume Sizing and IOPS Performance Tuning
- What determines the baseline IOPS for an Amazon EBS General Purpose SSD (gp3) volume?
a) The volume size
b) The number of EC2 instances
c) The instance type
d) The data transfer rate - What is the maximum IOPS supported by a single Amazon EBS Provisioned IOPS SSD (io2) volume?
a) 16,000
b) 32,000
c) 64,000
d) 256,000 - Which EBS volume type is best suited for high-throughput, sequential workloads?
a) gp2
b) io1
c) st1
d) sc1 - How can you increase the performance of an EBS io1 volume?
a) Increase the volume size
b) Switch to a Magnetic volume type
c) Enable encryption on the volume
d) Reduce the number of attached instances - What is the default IOPS to GiB ratio for General Purpose SSD (gp2) volumes?
a) 1:1
b) 3:1
c) 10:1
d) 50:1 - Which of the following affects EBS volume performance the most?
a) Enabling snapshots
b) Instance family and network configuration
c) Operating system version
d) Using public versus private IP addresses - How does Amazon recommend monitoring EBS volume performance?
a) CloudTrail logs
b) Instance metrics
c) CloudWatch metrics
d) API calls - Which EBS volume type supports up to 16 TiB in size?
a) Magnetic
b) General Purpose SSD
c) Provisioned IOPS SSD
d) Throughput Optimized HDD - What is the best way to achieve consistent performance on an EBS volume?
a) Use snapshots frequently
b) Use Provisioned IOPS SSD volumes
c) Resize volumes periodically
d) Utilize multi-AZ deployment - What happens when you exceed the baseline IOPS on a gp2 volume?
a) The volume performance degrades significantly
b) Burstable performance credits are used
c) The volume detaches automatically
d) Data is throttled to other instances
MCQs on Multi-Attach and Elastic Volumes
- What is the purpose of the Multi-Attach feature in Amazon EBS?
a) To attach one volume to multiple EC2 instances
b) To replicate data across multiple availability zones
c) To improve backup performance
d) To encrypt the volume automatically - Which EBS volume type supports the Multi-Attach feature?
a) io1 and io2 volumes
b) gp2 and gp3 volumes
c) Magnetic volumes
d) Throughput Optimized HDD - How does Multi-Attach improve application performance?
a) By enabling parallel I/O from multiple EC2 instances
b) By providing burstable performance credits
c) By increasing network throughput
d) By caching data on local storage - What is a primary limitation of the Multi-Attach feature?
a) It does not support encrypted volumes
b) Only read operations are allowed
c) Concurrent write operations must be carefully managed
d) It increases the cost of the volume - What is the purpose of Elastic Volumes in Amazon EBS?
a) To automatically encrypt volumes
b) To enable real-time resizing of volumes
c) To attach volumes across multiple regions
d) To improve snapshot performance - Which action can you perform with Elastic Volumes?
a) Change the volume type
b) Delete the volume while in use
c) Clone the volume across regions
d) Modify the encryption settings - How do Elastic Volumes impact application availability during resizing?
a) They require downtime for resizing
b) They allow resizing without detaching the volume
c) They temporarily stop I/O operations
d) They require creating a new volume - Which tool can be used to resize an EBS volume in real time?
a) AWS CLI
b) Elastic Beanstalk
c) CloudFormation
d) Systems Manager - What is the maximum size of an EBS volume using Elastic Volumes?
a) 1 TiB
b) 16 TiB
c) 32 TiB
d) 64 TiB - How can you monitor the success of an Elastic Volume modification?
a) By reviewing CloudTrail logs
b) Using Amazon S3 event notifications
c) By monitoring the volume modification status in CloudWatch
d) By checking EC2 instance metrics
Answers
| QNo | Answer (Option with Text) |
|---|---|
| 1 | a) The volume size |
| 2 | c) 64,000 |
| 3 | c) st1 |
| 4 | a) Increase the volume size |
| 5 | c) 10:1 |
| 6 | b) Instance family and network configuration |
| 7 | c) CloudWatch metrics |
| 8 | c) Provisioned IOPS SSD |
| 9 | b) Use Provisioned IOPS SSD volumes |
| 10 | b) Burstable performance credits are used |
| 11 | a) To attach one volume to multiple EC2 instances |
| 12 | a) io1 and io2 volumes |
| 13 | a) By enabling parallel I/O from multiple EC2 instances |
| 14 | c) Concurrent write operations must be carefully managed |
| 15 | b) To enable real-time resizing of volumes |
| 16 | a) Change the volume type |
| 17 | b) They allow resizing without detaching the volume |
| 18 | a) AWS CLI |
| 19 | c) 32 TiB |
| 20 | c) By monitoring the volume modification status in CloudWatch |