AWS Amazon EBS (Elastic Block Store) provides scalable, high-performance block storage for EC2 instances. This comprehensive guide of AWS Amazon EBS MCQ questions and answers focuses on understanding SSD and HDD-based volume types, their use cases, and cost-performance considerations. Perfect for learning or exam preparation, this will boost your AWS expertise!
SSD and HDD-based Volume Types
Which of the following is a feature of SSD-based EBS volumes? a) High IOPS and low latency b) Optimized for sequential workloads c) Designed for archive storage d) Low durability
General Purpose SSD (gp3) volumes provide consistent: a) Low latency with baseline performance of 3,000 IOPS b) High throughput for large files c) Maximum bandwidth of 500 Mbps d) Data storage encryption
Which EBS volume type is optimized for large, sequential workloads like big data analytics? a) General Purpose SSD (gp2) b) Throughput Optimized HDD (st1) c) Provisioned IOPS SSD (io2) d) Cold HDD (sc1)
Provisioned IOPS SSD (io2) is best suited for: a) Small workloads with infrequent data access b) Latency-sensitive applications such as databases c) Backups and archival storage d) Streaming video
Cold HDD (sc1) volumes are primarily used for: a) Latency-sensitive transactional applications b) Frequently accessed large files c) Infrequently accessed data with low cost d) Machine learning training datasets
What is the maximum throughput of Throughput Optimized HDD (st1) volumes? a) 500 IOPS b) 500 MB/s c) 250 IOPS d) 250 MB/s
Which EBS volume type supports both SSD and HDD workloads? a) General Purpose SSD (gp2) b) Magnetic Standard c) Provisioned IOPS SSD (io1) d) None of the above
What is a common characteristic of HDD-based EBS volumes? a) High IOPS for random workloads b) Designed for high sequential throughput c) Low storage capacity d) High latency
Which volume type is best suited for boot volumes? a) Cold HDD (sc1) b) General Purpose SSD (gp3) c) Throughput Optimized HDD (st1) d) Magnetic Standard
EBS volumes automatically replicate within: a) A single Availability Zone b) Multiple Availability Zones c) Multiple Regions d) Global edge locations
Cost and Performance Considerations
Which EBS volume type offers the lowest cost per GB? a) Provisioned IOPS SSD (io2) b) Throughput Optimized HDD (st1) c) Cold HDD (sc1) d) General Purpose SSD (gp3)
How can you reduce the cost of EBS volumes for infrequently accessed data? a) Use Provisioned IOPS SSD (io1) b) Use Cold HDD (sc1) c) Use General Purpose SSD (gp2) d) Enable snapshots
What is the primary cost consideration when choosing Provisioned IOPS SSD (io2)? a) Data transfer fees b) Performance scaling fees c) High cost per IOPS provisioned d) Cost of multi-region replication
For applications requiring high throughput at a lower cost, the recommended EBS volume type is: a) General Purpose SSD (gp2) b) Provisioned IOPS SSD (io1) c) Throughput Optimized HDD (st1) d) Cold HDD (sc1)
Snapshots of EBS volumes are charged based on: a) Total IOPS provisioned b) Data storage capacity used c) Duration of usage d) Read/write latency
What is the main advantage of General Purpose SSD (gp3) over gp2? a) Lower baseline IOPS b) Provisioned throughput and IOPS separate from capacity c) Higher storage costs d) Lower durability
Which of the following is a strategy to improve EBS cost efficiency? a) Enable RAID configurations b) Optimize IOPS and throughput for workload needs c) Choose io2 for all applications d) Disable snapshots
For latency-sensitive applications, the most cost-effective EBS volume type is: a) Cold HDD (sc1) b) Throughput Optimized HDD (st1) c) Provisioned IOPS SSD (io2) d) General Purpose SSD (gp3)
How can EBS snapshots reduce operational costs? a) They allow for automated scaling of storage b) They provide incremental backups that save storage space c) They eliminate the need for EBS volumes d) They increase IOPS
The lifecycle of an EBS volume typically ends when: a) It is unmounted from an EC2 instance b) Data transfer charges exceed thresholds c) It is deleted or terminated d) It fails due to hardware errors
Answer Key
Qno
Answer
1
a) High IOPS and low latency
2
a) Low latency with baseline performance of 3,000 IOPS
3
b) Throughput Optimized HDD (st1)
4
b) Latency-sensitive applications such as databases
5
c) Infrequently accessed data with low cost
6
b) 500 MB/s
7
d) None of the above
8
b) Designed for high sequential throughput
9
b) General Purpose SSD (gp3)
10
a) A single Availability Zone
11
c) Cold HDD (sc1)
12
b) Use Cold HDD (sc1)
13
c) High cost per IOPS provisioned
14
c) Throughput Optimized HDD (st1)
15
b) Data storage capacity used
16
b) Provisioned throughput and IOPS separate from capacity
17
b) Optimize IOPS and throughput for workload needs
18
c) Provisioned IOPS SSD (io2)
19
b) They provide incremental backups that save storage space