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Which of the following is a key feature of cloud computing related to minimizing system downtime?
a. Security
b. Availability
c. Cost Optimization
d. Mobility
Answer: b. Availabilitysanfoundry
What does “high availability” in cloud computing refer to?
a. Frequent downtime
b. Maximum uptime and service continuity
c. Single server deployment
d. Limited accessibility
Answer: b. Maximum uptime and service continuityinterviewbit
What is a typical target for availability in mission-critical cloud services?
a. 99%
b. 99.9%
c. 99.999%
d. 95%
Answer: c. 99.999%techtarget
Which cloud service model provides infrastructure for high availability systems?
a. SaaS
b. PaaS
c. IaaS
d. DaaS
Answer: c. IaaSinterviewbit
What ensures service continuity during failures in cloud environments?
a. Manual backup
b. Automatic failover mechanisms
c. Infrequent monitoring
d. Limited storage
Answer: b. Automatic failover mechanismstestbook
Which of the following is NOT a cloud availability enhancement technique?
a. Data replication across regions
b. Redundant power supplies
c. Single point of failure
d. Load balancing
Answer: c. Single point of failureinterviewkickstart
What is the best description of “service level agreement” (SLA) in terms of cloud availability?
a. Agreement for pricing
b. Contract for guaranteed uptime
c. Manual resource allocation
d. Backup schedules
Answer: b. Contract for guaranteed uptimeexamradar
Which layer in a cloud system most directly impacts availability?
a. Physical hardware
b. Application software
c. Network layer
d. Storage management
Answer: a. Physical hardwareinterviewkickstart
How can cloud providers avoid downtime due to hardware failure?
a. Ignoring alerts
b. Using distributed systems and redundancy
c. Manual patching
d. Unmonitored environments
Answer: b. Using distributed systems and redundancyplacementpreparation
What does “five nines” availability mean?
a. 99.9%
b. 99.999%
c. 98%
d. 100%
Answer: b. 99.999%techtarget
Which Amazon service is designed to provide high availability for web applications?
a. AWS Lambda
b. Amazon EC2 Auto Scaling
c. Amazon S3
d. AWS Glue
Answer: b. Amazon EC2 Auto Scalinginterviewkickstart
Which feature is crucial for availability in cloud storage?
a. Infrequent backup
b. Automatic replication
c. Manual downloads
d. Single disk storage
Answer: b. Automatic replicationplacementpreparation
What role does data center location play in cloud availability?
a. No impact at all
b. Reduces risk of regional failure
c. Promotes hardware consolidation
d. Ensures software licensing
Answer: b. Reduces risk of regional failureinterviewkickstart
What type of cloud model is suitable for applications needing continuous uptime?
a. Public cloud
b. Private cloud
c. Hybrid cloud
d. Community cloud
Answer: c. Hybrid cloudplacementpreparation
Which cloud concept means running critical workloads across different regions?
a. Multi-region deployment
b. Monolithic hosting
c. Community sharing
d. Data compression
Answer: a. Multi-region deploymentplacementpreparation
Which metric most often evaluates cloud availability?
a. Storage size
b. Uptime percentage
c. CPU speed
d. Network latency
Answer: b. Uptime percentageexamradar
Why do cloud providers use redundant network connections?
a. To increase costs
b. To minimize downtime during network failures
c. To slow down data transfer
d. To avoid compliance
Answer: b. To minimize downtime during network failuresinterviewbit
A disaster recovery plan in cloud computing primarily aims to increase:
a. Storage capacity
b. Data availability
c. Physical hardware density
d. Software licensing
Answer: b. Data availabilityexamradar
What is a common practice for maintaining high availability in cloud-based applications?
a. Using a single database server
b. Deploying in multiple zones and regions
c. Relying on manual monitoring
d. Ignoring failover testing
Answer: b. Deploying in multiple zones and regionstestbook
Which type of storage is usually recommended for availability in critical workload environments?
a. Cold storage
b. SSD-based storage
c. Tape archives
d. Single disk
Answer: b. SSD-based storagescribd
What does the term “failover” mean in cloud high availability?
a. Scheduled downtime
b. Automatic transfer to standby resources
c. Data archiving
d. Cost reduction
Answer: b. Automatic transfer to standby resourcestestbook
What happens when a cloud service fails its SLA for availability?
a. User gets compensation or credits
b. Service automatically self-heals
c. Data transfer increases
d. No effect
Answer: a. User gets compensation or creditsexamradar
Which architecture helps maximize availability in cloud platforms?
a. Centralized
b. Distributed
c. Single point
d. Local-only
Answer: b. Distributedtestbook
What is the primary concern with availability for online banking cloud applications?
a. User privacy
b. Uptime and transaction completion
c. Hardware cost
d. Software licensing
Answer: b. Uptime and transaction completionexamradar
Which Azure feature supports availability for hosted services?
a. Azure Stack
b. Azure Traffic Manager
c. Azure Security Center
d. Azure Advisor
Answer: b. Azure Traffic Managerplacementpreparation
Why is “automatic scaling” important for cloud availability?
a. For hardware upgrades
b. To handle sudden load increases without downtime
c. To increase manual intervention
d. To reduce automation
Answer: b. To handle sudden load increases without downtimeinterviewbit
Which AWS storage service provides high availability through replication?
a. Amazon Glacier
b. Amazon S3
c. AWS EFS
d. AWS RDS
Answer: b. Amazon S3placementpreparation
How does redundancy enhance availability?
a. By creating single points of failure
b. By duplicating resources for fault tolerance
c. By restricting resource sharing
d. By lowering performance
Answer: b. By duplicating resources for fault toleranceinterviewkickstart
What is the main benefit of cloud burst architectures for availability?
a. Increases hardware reliance
b. Temporarily expands resources during spikes
c. Forces downtime during failures
d. Reduces multi-tenancy
Answer: b. Temporarily expands resources during spikestestbook
Which term best describes the ability for cloud resources to “recover” after failure?
a. Elasticity
b. Resilience
c. Scalability
d. Cost efficiency
Answer: b. Resilienceinterviewbit
What increases availability for globally distributed web apps?
a. Content Delivery Networks (CDN)
b. Local only hosting
c. Single user design
d. Unmonitored resources
Answer: a. Content Delivery Networks (CDN)interviewbit
Which is NOT a recommended practice for cloud availability improvement?
a. Monitoring and alerting
b. Geographic load balancing
c. Ignoring capacity planning
d. Disaster recovery testing
Answer: c. Ignoring capacity planninginterviewkickstart
What is used to automatically detect outages and recover services in cloud platforms?
a. Manual scripts
b. Health checks and monitoring tools
c. Batch processing
d. Licensing audits
Answer: b. Health checks and monitoring toolstestbook
Which backup method in cloud services improves availability for user data?
a. Differential backup
b. Full backup
c. No backup
d. Tape backup only
Answer: b. Full backupexamradar
What’s a critical value in high availability systems?
a. Mean Time To Repair (MTTR)
b. Mean Time Before Failure (MTBF)
c. Both A and B
d. None of these
Answer: c. Both A and Btestbook
Why do businesses prioritize availability in cloud architecture?
a. To reduce uptime
b. To ensure business continuity
c. Only for marketing reasons
d. For manual backup
Answer: b. To ensure business continuityexamradar
What type of application is most sensitive to availability issues?
a. DevOps testing
b. Real-time financial transactions
c. Archive storage
d. Batch processing jobs
Answer: b. Real-time financial transactionsinterviewbit
Which cloud service enables cross-region failover for higher availability?
a. Direct Connect
b. Global Load Balancer
c. Virtual Private Network
d. Static Website Hosting
Answer: b. Global Load Balancerinterviewbit
Which strategy reduces downtime for online business apps in the cloud?
a. Scheduled outages
b. Fault-tolerant infrastructure
c. Underprovisioning resources
d. Ignoring monitoring
Answer: b. Fault-tolerant infrastructuretestbook
How is availability measured for cloud providers?
a. Number of users
b. Service uptime percentage
c. Review scores
d. Cost
Answer: b. Service uptime percentageinterviewbit
What does a “hot standby” mean in cloud systems?
a. Fully operational backup system
b. Unused resource
c. Temporary resource allocation
d. Basic failover
Answer: a. Fully operational backup systemtestbook
Which type of testing ensures cloud system availability during disasters?
a. Penetration testing
b. Backup restoration and failover simulation
c. Code review
d. Security audit only
Answer: b. Backup restoration and failover simulationexamradar
Why are multi-tenant architectures significant for cloud availability?
a. They isolate faults and reduce single-point failures
b. They increase downtime
c. They restrict scalability
d. They require more manual monitoring
Answer: a. They isolate faults and reduce single-point failuresinterviewkickstart
What component is most essential for enabling high availability in cloud networks?
a. Redundant networking equipment
b. Cheap hardware
c. Unused CPUs
d. Manual patching
Answer: a. Redundant networking equipmenttestbook
Which policy is most critical in maintaining cloud system availability?
a. Scheduled outages
b. Continuous monitoring and alerting
c. Ignoring failover protocols
d. Static architecture
Answer: b. Continuous monitoring and alertinginterviewbit
Which storage solution in the cloud provides immediate access and supports high application availability?
a. Cold storage
b. Hot storage
c. Remote archive
d. Tape library
Answer: b. Hot storagescribd
What is a common cause for loss of availability in cloud environments?
a. Data center power outages
b. Increased automation
c. Cost saving measures
d. Efficient failover
Answer: a. Data center power outagestestbook
Which technology improves application availability by automatically replicating workloads?
a. Virtual machines
b. Microservices
c. Container orchestration
d. Data compression
Answer: c. Container orchestrationinterviewbit
Which cloud storage technology allows for high availability and automatic replication across regions?
a. Object storage
b. File storage
c. Block storage
d. Tape storage
Answer: a. Object storageplacementpreparation
What is the end-user benefit of high cloud availability?
a. Fewer service interruptions and greater reliability
b. Increased development time
c. Manual configuration
d. Lower uptime
Answer: a. Fewer service interruptions and greater reliabilityinterviewbit

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