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Which of the following describes “right-sizing” in cloud computing?
a. Allocating more resources than needed for future growth
b. Matching cloud resources to application/workload requirements
c. Using only default cloud configurations
d. Provisioning the smallest possible instance to save costs
Answer: b. Matching cloud resources to application/workload requirementsollion+1
What is the main benefit of proper sizing in cloud deployments?
a. Higher billing from the provider
b. Lower latency to end-users
c. Reduced operational cost and improved performance
d. More rigid resource allocation
Answer: c. Reduced operational cost and improved performancecloudzero+2
Which parameter is NOT typically considered in cloud server sizing?
a. CPU requirements
b. RAM requirements
c. Color of server chassis
d. Storage requirements
Answer: c. Color of server chassisdatacenters+1
Why is overprovisioning cloud resources problematic?
a. It increases risk of outages
b. It leads to unnecessary cost
c. It optimizes all workloads perfectly
d. It disables autoscaling
Answer: b. It leads to unnecessary costsolutionshub.epam+2
What action can mitigate risk of underprovisioning resources?
a. Disabled autoscaling
b. Regularly reviewing performance trends and adjusting sizing
c. Setting all workloads to minimum resources
d. Avoiding any resource monitoring
Answer: b. Regularly reviewing performance trends and adjusting sizingcloud.google+2
Which tool or feature helps automatically adjust cloud sizing based on demand?
a. Static allocation
b. Autoscaling
c. Manual provisioning
d. Cold backups
Answer: b. Autoscalingcloudzero+1
What is the consequence of ignoring peak usage when sizing cloud resources?
a. Enhanced cost optimization
b. Potential service degradation during demand spikes
c. Always optimal sizing
d. Unlimited scalability
Answer: b. Potential service degradation during demand spikescloud4u+1
Which of the following must be monitored for effective sizing?
a. Application colors
b. CPU, memory, network, and disk utilization
c. Only monthly bills
d. Number of user logins
Answer: b. CPU, memory, network, and disk utilizationdatacenters+2
Cloud resource optimization begins with understanding what?
a. Brand of hardware used
b. Workload requirements and usage patterns
c. Number of developers
d. Size of physical data center
Answer: b. Workload requirements and usage patternswithcoherence+1
Which instance type best suits high-memory workloads in the cloud?
a. Compute-optimized
b. Storage-optimized
c. Memory-optimized
d. Balanced
Answer: c. Memory-optimizedcloud4u+1
What is “rightsizing” cloud instances?
a. Randomly changing resource allocations
b. Continuously adjusting resources to fit demands
c. Decreasing resource allocations only
d. Using default instance sizes
Answer: b. Continuously adjusting resources to fit demandsollion+2
What’s a common mistake in capacity planning for cloud sizing?
a. Ignoring normal load and planning only for peaks
b. Planning only for normal loads and ignoring peak demand
c. Using performance data to guide decisions
d. Including buffer resources for expansion
Answer: b. Planning only for normal loads and ignoring peak demandvirtana+1
In cloud sizing, “active memory” refers to:
a. All allocated RAM regardless of use
b. The RAM actively used by running applications
c. The OS boot requirements only
d. RAM used by security tools only
Answer: b. The RAM actively used by running applicationsdatacenters
Which metric is LEAST useful in storage sizing for cloud workloads?
a. Average CPU usage
b. Database size
c. File storage requirements
d. Expected growth
Answer: a. Average CPU usagenetapp+1
A recommended practice for cloud sizing is:
a. Choose the smallest configuration available
b. Regularly analyze monitoring data for actual resource utilization
c. Always use the largest virtual machine
d. Ignore cost for mission-critical workloads
Answer: b. Regularly analyze monitoring data for actual resource utilizationcloud.google+2
Inadequate server sizing may lead to:
a. Improved efficiency
b. Performance bottlenecks and downtime
c. Zero impact
d. Lower bandwidth use
Answer: b. Performance bottlenecks and downtimeollion+2
Which factor is important for network sizing in cloud servers?
a. OS logo
b. Bandwidth requirements per user and traffic patterns
c. Server color
d. Static RAM values
Answer: b. Bandwidth requirements per user and traffic patternscloud4u+1
What role does monitoring play in cloud sizing?
a. No role
b. Provides historical data for future sizing decisions
c. Only useful for bill tracking
d. Impacts server color options
Answer: b. Provides historical data for future sizing decisionscloudzero+2
What commonly causes “cloud sprawl” and cost overruns?
a. Rightsizing and monitoring
b. Overprovisioned and idle resources
c. Accurate service mapping
d. Deallocation scripts
Answer: b. Overprovisioned and idle resourcesollion+1
Which technology is key for flexible resource allocation in cloud environments?
a. Hyperconvergence
b. Virtualization
c. Traditional dedicated servers
d. Bare metal
Answer: b. Virtualizationscribd+1
What is suggested to allow for unplanned workload growth in cloud storage sizing?
a. Add no extra space
b. Allow at least 15% extra capacity than calculated requirements
c. Set a hard storage cap
d. Only provision what is already in use
Answer: b. Allow at least 15% extra capacity than calculated requirementsnetapp+1
What is “underprovisioning” in cloud sizing?
a. Assigning more resources than required
b. Assigning fewer resources than needed by workloads
c. Regularly monitoring resource usage
d. Implementing autoscaling
Answer: b. Assigning fewer resources than needed by workloadsdatacenters+1
What tool is NOT directly related to cloud sizing?
a. Cloud monitoring tools
b. Capacity planner software
c. Graphics editing tools
d. Cloud provider cost calculators
Answer: c. Graphics editing toolsbroadcom+2
What should guide the selection of instance type in cloud sizing?
a. Application workload characteristics
b. Lowest cost available
c. Random selection
d. Longest contract term
Answer: a. Application workload characteristicsvirtana+2
For which scenario is compute-optimized cloud sizing most appropriate?
a. Large databases
b. CPU-intensive workloads such as analytics and rendering
c. Bulk file storage
d. Archival backup
Answer: b. CPU-intensive workloads such as analytics and renderingcloud4u+1
To avoid frequent resizing, what process is recommended?
a. Ignore seasonal demand
b. Predict workload spikes based on business cycles
c. Lock resource allocation
d. Only scale up manually
Answer: b. Predict workload spikes based on business cyclesvirtana+1
Cloud sizing applies to which resource domains?
a. Only storage
b. CPU, memory, storage, and network
c. Network only
d. Data center cooling
Answer: b. CPU, memory, storage, and networkollion+2
Which of the following is a benefit of autoscaling?
a. Static resource allocation
b. Real-time adjustment to workload changes
c. Increased downtime
d. Lower security
Answer: b. Real-time adjustment to workload changescloud.google+1
To size for database workloads, which parameter is critical?
a. Number of web browsers
b. IOPS and throughput requirements
c. Application logo
d. Type of authentication
Answer: b. IOPS and throughput requirementsnetapp+1
What happens if memory is undersized for a cloud workload?
a. Improved performance
b. Possible application crashes and increased swap
c. Reduced CPU usage
d. Higher network performance
Answer: b. Possible application crashes and increased swapdatacenters+1
What is a reserved instance in the context of cloud sizing?
a. Pay-as-you-go instance
b. Pre-paid, committed-use instance for a defined period
c. On-demand snapshot
d. Trial service
Answer: b. Pre-paid, committed-use instance for a defined periodwithcoherence+1
Cloud provider basic instance types typically include all EXCEPT:
a. Compute-optimized
b. Memory-optimized
c. Graphics-enhanced
d. Entertainment-optimized
Answer: d. Entertainment-optimizedcloud4u+1
Workload characterization for sizing involves:
a. Analyzing resource metrics over time
b. Selecting any available VM size
c. Disabling monitoring
d. Minimizing review periods
Answer: a. Analyzing resource metrics over timecloudzero+2
When is it most cost-effective to increase cloud instance size?
a. Never
b. When resource utilization consistently approaches 80% or higher
c. Any random time
d. Only at billing renewal
Answer: b. When resource utilization consistently approaches 80% or highercloudzero+1
A key aspect of cloud cost management is:
a. Guessing resource needs
b. Aligning sizing decisions with workload objectives and business priorities
c. Isolating costs from workload requirements
d. Always using maximum available nodes
Answer: b. Aligning sizing decisions with workload objectives and business prioritieswithcoherence+1
What feature helps improve sizing efficiency for varying user loads?
a. Manual scaling only
b. Autoscaling groups/policies
c. Fixed instance types
d. Reserved capacity only
Answer: b. Autoscaling groups/policiescloud.google+1
If a cloud VM’s average CPU usage is 10%, what does this indicate in terms of sizing?
a. Overprovisioning
b. Perfect allocation
c. Underprovisioning
d. Network bottleneck
Answer: a. Overprovisioningollion+1
Cloud sizing should involve which stakeholders?
a. Only IT team
b. IT and business decision-makers
c. All end-users
d. Only finance department
Answer: b. IT and business decision-makerscloud4u+1
What parameter should be left with a buffer in storage sizing?
a. CPU utilization
b. Network response time
c. Disk space for growth and system overhead
d. Operating system version
Answer: c. Disk space for growth and system overheadnetapp+1
Why should cloud sizing be an ongoing process?
a. Workloads and user needs can change over time
b. Once set, it’s permanent
c. Providers never update their systems
d. It only matters for billing
Answer: a. Workloads and user needs can change over timesolutionshub.epam+1
The main risk of only considering normal load (and not peaks) when sizing is:
a. Unnecessary cost saving
b. Application failure during high demand
c. Lower provisioning
d. Higher provisioning
Answer: b. Application failure during high demandvirtana+1
Which is a sign that cloud resources need resizing?
a. Consistent underutilization or overutilization of allocated resources
b. Unpredictable internet speeds
c. Static billing cycles
d. Number of logins per hour
Answer: a. Consistent underutilization or overutilization of allocated resourcescloud.google+1
To avoid downtime, which approach is best?
a. Size just for current steady-state use
b. Design for headroom to accommodate peak loads
c. Ignore monitoring data
d. Scale back-up resources only
Answer: b. Design for headroom to accommodate peak loadsvirtana+1
Rightsizing can achieve all, EXCEPT:
a. Reduce costs
b. Improve performance
c. Guarantee zero downtime always
d. Prevent idle resources
Answer: c. Guarantee zero downtime alwayssolutionshub.epam+2
Which statement about sizing for network bandwidth is accurate?
a. Only file uploads matter
b. Both inbound and outbound traffic must be considered
c. Only consider peak hours
d. Use static allocation for all
Answer: b. Both inbound and outbound traffic must be considereddatacenters+1
The scalability feature in cloud computing allows:
a. Adding/removing resources dynamically as workload changes
b. Fixed-resource operation
c. Non-expanding networks
d. Ignoring resource trends
Answer: a. Adding/removing resources dynamically as workload changescloud.google+1
Storage sizing in cloud should include:
a. Only current files
b. System, application, user, and potential future data needs
c. Only application logs
d. Server tag colors
Answer: b. System, application, user, and potential future data needsnetapp+1
The reason most sizing shortfalls occur is:
a. Monitoring too frequently
b. Inaccurate or missing workload characterization
c. Pre-allocating buffer capacity
d. Cloud provider constraints
Answer: b. Inaccurate or missing workload characterizationollion+1
Which is a typical best practice for cloud sizing?
a. One-time initial sizing only
b. Periodic review and adjustment based on usage data
c. Manual billing analysis only
d. No engagement from users
Answer: b. Periodic review and adjustment based on usage datacloudzero+2
In cloud sizing, what is most important for mission-critical applications?
a. Lowest possible cost
b. Sufficient resources to guarantee required performance and reliability
c. Only manual maintenance
d. Avoiding all monitoring
Answer: b. Sufficient resources to guarantee required performance and reliabilityvirtana+1

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