MCQs

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1. What is a cluster placement group primarily used for in cloud computing?
   a. Distributing instances across regions
   b. Achieving low network latency and high throughput
   c. Spanning multiple availability zones
   d. Load balancing across regions
   Answer: b. Achieving low network latency and high throughputaws.amazon+1
2. Which resource placement requirement does a cluster placement group guarantee?
   a. Fault tolerance across regions
   b. Physical proximity within a single Availability Zone
   c. Cross-region failover
   d. Cost savings
   Answer: b. Physical proximity within a single Availability Zoneoracle+1
3. Cluster placement groups are recommended for:
   a. Applications needing high availability
   b. Workloads with intensive network communication between instances
   c. Batch processing jobs only
   d. Long-term storage optimization
   Answer: b. Workloads with intensive network communication between instancesiucc+1
4. Which instance type configuration is ideal within a cluster placement group?
   a. Mixed types for flexibility
   b. The same instance type for all instances
   c. Only small instance types
   d. Different instance types across zones
   Answer: b. The same instance type for all instancesgeeksforgeeks+1
5. What happens if there is insufficient capacity when launching instances in a cluster placement group?
   a. Instances are placed in another region
   b. The launch request fails with an error
   c. Instances are launched outside the group
   d. The request is queued
   Answer: b. The launch request fails with an erroraws.amazon+1
6. What network benefit does a cluster placement group provide?
   a. Internet bandwidth throttling
   b. High bisection bandwidth among grouped instances
   c. Blocked inter-instance traffic
   d. Automatic public IP assignment
   Answer: b. High bisection bandwidth among grouped instancesgeeksforgeeks+1
7. Which type of workload benefits most from cluster placement groups?
   a. Stateless batch jobs
   b. High-performance computing workloads
   c. Archive data storage
   d. Web hosting only
   Answer: b. High-performance computing workloadsoracle+1
8. Which is a limitation of cluster placement groups?
   a. Span multiple availability zones
   b. Only one per region
   c. Must remain in a single Availability Zone
   d. Government cloud only
   Answer: c. Must remain in a single Availability Zoneaws.amazon+1
9. If a cluster placement group is full, what can be done to attempt to add more instances?
   a. Switch cloud providers
   b. Stop and start existing instances in the group
   c. Launch in a new region
   d. Use a different Operating System
   Answer: b. Stop and start existing instances in the grouporacle+1
10. What happens to network throughput between two instances in a cluster placement group?
    a. It remains limited to 1Gbps
    b. It achieves maximum throughput supported by the instance type
    c. It is shared with all regions
    d. It is lower than in standard placement
    Answer: b. It achieves maximum throughput supported by the instance typegeeksforgeeks+1
11. Which instance families typically support placement in cluster placement groups?
    a. All instance types
    b. Only compute-optimized and memory-optimized
    c. Only T2 and T3
    d. Only small instances
    Answer: b. Only compute-optimized and memory-optimizedoracle+1
12. What is a best practice for launching instances into a cluster placement group?
    a. Launch instances in separate start requests
    b. Use a single launch request for all required instances
    c. Update group name regularly
    d. Use spot instances only
    Answer: b. Use a single launch request for all required instancesaws.amazon+1
13. On Oracle Cloud Infrastructure, what does a cluster placement group allow?
    a. Random distribution of resources
    b. Logical grouping for low-latency applications
    c. Instance type migration
    d. Hybrid cloud access only
    Answer: b. Logical grouping for low-latency applicationsoracle
14. Which AWS placement group type maximizes network performance by placing resources together?
    a. Spread placement group
    b. Partition placement group
    c. Cluster placement group
    d. Region placement group
    Answer: c. Cluster placement groupgeeksforgeeks+1
15. What resource deployment constraint applies in a cluster placement group?
    a. Can launch in multiple regions
    b. Must be in the same availability zone and group
    c. Must use only T-series instances
    d. Only storage volumes allowed
    Answer: b. Must be in the same availability zone and groupaws.amazon+1
16. What is the main failure approach if capacity isn’t available in a cluster placement group?
    a. Retry in a different availability zone
    b. Retry later or use stop/start on existing group instances
    c. Migrate resources to another cloud
    d. Add more storage
    Answer: b. Retry later or use stop/start on existing group instancesaws.amazon
17. What is the role of capacity reservations in cluster placement groups?
    a. Provide cost optimization
    b. Guarantee hardware resources for group instances
    c. Enable region-wide service
    d. Increase disk performance
    Answer: b. Guarantee hardware resources for group instancesgeeksforgeeks+1
18. Which benefit is associated with collocating resources in cluster placement groups?
    a. Increased storage performance
    b. Reduced inter-instance latency
    c. Automatic data backup
    d. Higher GPU performance
    Answer: b. Reduced inter-instance latencyiucc+1
19. Which instance types are not supported in AWS cluster placement groups?
    a. Compute optimized
    b. T2 and T3
    c. Storage optimized
    d. P-Series
    Answer: b. T2 and T3geeksforgeeks
20. Cluster placement group names must be:
    a. Shared between regions
    b. Unique within each region
    c. Numeric only
    d. Less than 4 characters
    Answer: b. Unique within each regionaws.amazon+1
21. What is the impact of launching different instance types in the same cluster placement group?
    a. Improved load balancing
    b. Increased chance for capacity error
    c. Enhanced security
    d. Decreased network bandwidth
    Answer: b. Increased chance for capacity errorgeeksforgeeks+1
22. Which scenario calls for using cluster placement groups?
    a. Disaster recovery setup
    b. Big data analytics requiring frequent node communication
    c. Web hosting on multiple regions
    d. Static website deployment
    Answer: b. Big data analytics requiring frequent node communicationiucc+1
23. What happens if an instance in a cluster placement group is stopped and started?
    a. The instance is moved out of the group
    b. It remains in the group but may not start if no capacity is available
    c. It is assigned to another zone
    d. The group is deleted
    Answer: b. It remains in the group but may not start if no capacity is availableaws.amazon+1
24. Which policy in Google Cloud clusters physically places nodes close together?
    a. Balanced placement
    b. Compact placement
    c. Diffused placement
    d. Random spread
    Answer: b. Compact placementcloud.google
25. Which of the following is NOT a benefit of cluster placement in cloud deployments?
    a. Increased inter-instance network speed
    b. Redundant cross-region failover
    c. Lower network latency
    d. Optimized HPC workloads
    Answer: b. Redundant cross-region failoveroracle+1
26. What must be true about Availability Zone usage in a cluster placement group?
    a. Instances can span multiple zones
    b. All instances must be in the same zone
    c. It works only in the root account
    d. Only public subnets allowed
    Answer: b. All instances must be in the same zonegeeksforgeeks+1
27. Which cloud platform allows cluster placement for compute and block volumes?
    a. AWS only
    b. Oracle Cloud Infrastructure
    c. Google Cloud Platform only
    d. None of the above
    Answer: b. Oracle Cloud Infrastructureoracle
28. In AWS, what is the capacity reservation’s role in placement groups?
    a. Enables pay-as-you-go pricing
    b. Reserves network addresses
    c. Ensures resource availability for new launches
    d. Prevents storage overuse
    Answer: c. Ensures resource availability for new launchesaws.amazon+1
29. To optimize network throughput, which AWS feature should be enabled on instances in a cluster?
    a. S3 transfer acceleration
    b. Enhanced Networking
    c. Spot pricing
    d. Elastic Load Balancing
    Answer: b. Enhanced Networkinggeeksforgeeks+1
30. On Oracle Cloud Infrastructure, what is checked when creating a cluster placement group?
    a. Default password
    b. Hardware capability of the availability domain
    c. Network security group assignment
    d. Disk encryption status
    Answer: b. Hardware capability of the availability domainoracle
31. What is a direct effect of clustering storage and compute in proximity?
    a. Higher disk IOPS from redundancy
    b. Reduced networking overhead for distributed applications
    c. Cheaper cloud billing
    d. Geo-redundant data
    Answer: b. Reduced networking overhead for distributed applicationsiucc+1
32. Which of the following about placement groups is correct?
    a. Instances in cluster group are isolated for security
    b. Placement group improves inter-instance performance, not external access
    c. Must mix all instance types for security
    d. Placement groups span multiple regions
    Answer: b. Placement group improves inter-instance performance, not external accessoracle+1
33. What is the result of launching more than one instance type in a cluster group?
    a. Enhanced performance
    b. Decreased chance for success due to capacity limitations
    c. Expanded cross-zone networking
    d. Cheaper cost
    Answer: b. Decreased chance for success due to capacity limitationsaws.amazon+1
34. Which of these is a policy constraint for cluster placement in Azure Service Fabric?
    a. Disallowing multiple stateless instances per node
    b. Preferred fault domains
    c. Balanced placement only
    d. DNS-based distribution
    Answer: b. Preferred fault domainslearn.microsoft
35. What is the maximum single-flow bandwidth for improved networking in an AWS cluster group instance?
    a. 1 Gbps
    b. 10 Gbps
    c. 100 Mbps
    d. 2.5 Gbps
    Answer: b. 10 Gbpsgeeksforgeeks
36. When does Oracle Cloud recommend working with an account representative for placement group capacity?
    a. For root volume snapshots
    b. When reserving capacity in a specific group
    c. For identity management only
    d. When changing firewall settings
    Answer: b. When reserving capacity in a specific grouporacle
37. Which rule applies to cluster placement groups’ naming in AWS?
    a. Names must be reused for all regions
    b. Names must remain unique and never be duplicated in a region
    c. Names can change after creation
    d. Names must match subnet names
    Answer: b. Names must remain unique and never be duplicated in a regionaws.amazon+1
38. Which best describes the availability of resources in a cluster placement group?
    a. Tied to region-wide compute
    b. Linked directly to capacity in a single availability zone
    c. Dynamically moved between zones by AWS
    d. Always available regardless of instance type
    Answer: b. Linked directly to capacity in a single availability zoneoracle+1
39. What should be considered when deploying instances for HPC in a placement group?
    a. Prioritize geographic spread
    b. Matching instance families for optimal network performance
    c. Only cost considerations
    d. Only use storage optimized instances
    Answer: b. Matching instance families for optimal network performanceiucc+1
40. Which policy type allows precise service placement in Azure Service Fabric Clusters?
    a. Geographic policy
    b. Placement constraint policy
    c. Time-based scaling policy
    d. Load balancing policy
    Answer: b. Placement constraint policylearn.microsoft
41. Which instance attribute can lead to insufficient capacity errors in cluster groups?
    a. Using reserved instances
    b. Mixing different instance types
    c. Naming the group after a project
    d. Using only SSD storage
    Answer: b. Mixing different instance typesgeeksforgeeks+1
42. If the required capacity is unavailable, what is an official workaround on AWS?
    a. Try in a different region immediately
    b. Stop and restart all instances in the placement group
    c. Remove group and recreate
    d. Only run in non-production VPCs
    Answer: b. Stop and restart all instances in the placement groupaws.amazon+1
43. Why is low-latency networking critical in cluster placement groups?
    a. For backup optimization
    b. For real-time data processing and distributed computing workloads
    c. For cold data archival
    d. To support automatic updates
    Answer: b. For real-time data processing and distributed computing workloadsiucc+1
44. Best placement group policy for communicating workloads:
    a. Spread group
    b. Cluster group
    c. Hybrid group
    d. Partition group
    Answer: b. Cluster groupgeeksforgeeks+1
45. Which of the following is NOT a recommendation for cluster placement group management?
    a. Use single launch request for multiple instances
    b. Use same instance type for all launches
    c. Frequently rename cluster placement groups
    d. Stop/start to resolve capacity issues
    Answer: c. Frequently rename cluster placement groupsaws.amazon
46. What factor does not increase successful placement in a cluster group?
    a. Using the same instance type
    b. Launching all needed instances at once
    c. Using multiple launch requests with different instance types
    d. Reserving capacity in advance
    Answer: c. Using multiple launch requests with different instance typesgeeksforgeeks+1
47. A significant disadvantage of placing all resources in a single cluster placement group is:
    a. Higher risk of simultaneous hardware failure
    b. Improved network speed
    c. Easier cost accounting
    d. Less administrative effort
    Answer: a. Higher risk of simultaneous hardware failureoracle+1
48. When might a cluster placement group’s creation fail?
    a. Group name too short
    b. No suitable hardware available in the chosen availability domain
    c. Instance type unsupported globally
    d. Cloud region offline
    Answer: b. No suitable hardware available in the chosen availability domainoracle
49. Which service lets you control access and creation of cluster placement groups?
    a. AWS IAM
    b. Oracle Cloud IAM
    c. Google Identity Service
    d. All of the above
    Answer: b. Oracle Cloud IAMoracle+1
50. Why are cluster placement groups not ideal for highly available services?
    a. All resources are physically grouped, so a failure may impact all
    b. Only supports Linux OS
    c. Expensive to maintain
    d. Hard to configure networking
    Answer: a. All resources are physically grouped, so a failure may impact allaws.amazon+2

1. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-strategies.html
2. https://docs.oracle.com/en-us/iaas/Content/cluster-placement-groups/overview.htm
3. https://www.geeksforgeeks.org/devops/placement-group-rules-and-limitations/
4. https://www.iucc.ac.il/en/blog/best-practices-for-running-hpc-on-aws/
5. https://cloud.google.com/cluster-toolkit/docs/slurm/static-nodes-best-practices
6. https://learn.microsoft.com/en-us/azure/service-fabric/service-fabric-cluster-resource-manager-advanced-placement-rules-placement-policies
7. https://docs.oracle.com/en-us/iaas/Content/cluster-placement-groups/policy-reference.htm
8. https://www.sanfoundry.com/1000-cloud-computing-questions-answers/
9. https://www.placementpreparation.io/mcq/cloud-computing/
10. https://www.interviewbit.com/cloud-computing-mcq/
11. https://www.placementpreparation.io/mcq/cloud-computing/page/2/
12. https://testbook.com/objective-questions/mcq-on-cloud-technology–5eea6a0d39140f30f369e30f
13. https://interviewkickstart.com/blogs/interview-questions/cloud-computing-mcqs-it-professionals
14. https://www.tierpoint.com/blog/cloud-infrastructure-management/
15. https://www.vinsys.com/blog/aws-cloud-practitioner-certification-exam-mcqs
16. https://notes.kodekloud.com/docs/AWS-Certified-SysOps-Administrator-Associate/Domain-6-Cost-and-Performance-Optimization/Placement-Groups-and-Their-Use
17. https://www.scribd.com/document/714050526/Cloud-Computing-Mcqs
18. https://www.sanfoundry.com/computer-organization-mcqs-clusters/
19. https://cloud.google.com/compute/docs/instances/placement-policies-overview
20. https://docs.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengbestpractices_topic-Cluster-Management-best-practices.htm