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Cloud (Computer Science) Solved Questions & Notes (2026) - Apex Rankers

General Competitive Exams > Computer Science > Cloud

29 Total Solved Questions
~44 mins Estimated Reading Time
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25 Questions in this set
Select the best option for the following modern Computer Aptitude Test questions (covering AI, Cloud, Cybersecurity, and Modern Hardware):
Q. 1 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What does 'SaaS' stand for in cloud computing?
A
Software as a Service
✓ Correct
B
System as a Service
C
Storage as a Service
D
Security as a Service
💡 Step-by-Step Explanation & Concept Rationale
SaaS is a software distribution model where a third-party provider hosts applications.
Q. 2 Computer Aptitude Test
Difficulty: Medium (1 Mark)
Which cloud provider is owned by Amazon?
A
Azure
B
AWS
✓ Correct
C
Google Cloud
D
Oracle
💡 Step-by-Step Explanation & Concept Rationale
Amazon Web Services (AWS) is the world's most widely used cloud platform.
Q. 3 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Edge Computing'?
A
Computing on a desk
B
Processing data near the source
✓ Correct
C
High-speed gaming
D
Edge of the screen
💡 Step-by-Step Explanation & Concept Rationale
Edge computing reduces latency by processing data closer to where it is generated.
Q. 4 Computer Aptitude Test
Difficulty: Medium (1 Mark)
Which technology allows a single physical server to run multiple OS instances?
A
Multitasking
B
Virtualization
✓ Correct
C
Hyper-threading
D
Overclocking
💡 Step-by-Step Explanation & Concept Rationale
Virtualization uses a hypervisor to create multiple virtual machines on one server.
Q. 5 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is the 'Cloud'?
A
A large hard drive
B
Internet-based services
✓ Correct
C
A weather app
D
High-altitude servers
💡 Step-by-Step Explanation & Concept Rationale
The Cloud refers to servers accessed over the internet and the data they store.
Q. 6 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'IaaS'?
A
Intelligence as a Service
B
Infrastructure as a Service
✓ Correct
C
Internet as a Service
D
Image as a Service
💡 Step-by-Step Explanation & Concept Rationale
IaaS provides virtualized computing resources (servers, networking) via the cloud.
Q. 7 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Hyper-convergence'?
A
Many fast screens
B
Integrated IT infrastructure
✓ Correct
C
High-speed internet
D
Multi-user login
💡 Step-by-Step Explanation & Concept Rationale
It combines compute, storage, and networking into a single system.
Q. 8 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'PaaS'?
A
Phone as a Service
B
Platform as a Service
✓ Correct
C
Power as a Service
D
Page as a Service
💡 Step-by-Step Explanation & Concept Rationale
A cloud model providing a platform for customers to develop/manage apps.
Q. 9 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Serverless Computing'?
A
Computing without internet
B
Using no servers
C
Cloud provider manages server infrastructure
✓ Correct
D
Local host only
💡 Step-by-Step Explanation & Concept Rationale
Users write code while the provider handles scaling and server maintenance.
Q. 10 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Edge Computing' primarily designed to reduce?
A
Data usage
B
Latency (delay)
✓ Correct
C
Power consumption
D
Screen glare
💡 Step-by-Step Explanation & Concept Rationale
By processing data closer to the device, the time taken for signals to travel is minimized.
Q. 11 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'SaaS' (Software as a Service)?
A
Software you buy
B
Subscription-based software over the web
C
Software delivered over the internet via a subscription
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Examples include Microsoft 365, Netflix, and Salesforce.
Q. 12 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'IaaS' (Infrastructure as a Service)?
A
Internet help
B
Renting virtualized servers and networking
C
Cloud model providing virtualized computing resources
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Companies like AWS and Azure provide the "plumbing" for IT infrastructure.
Q. 13 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'PaaS' (Platform as a Service)?
A
Phone help
B
Cloud platform to build and run apps
C
Cloud model for developers to build, test, and deploy applications
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
PaaS removes the need for developers to manage the underlying servers.
Q. 14 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is the 'Edge' in computing?
A
Corner of screen
B
Location near the data source (local)
C
Computing done near the physical location of the user or data source
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Edge computing reduces latency for IoT and real-time applications.
Q. 15 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Cloud Migration'?
A
Moving to a new office
B
Moving data/apps from local to cloud
C
The process of moving digital assets to cloud infrastructure
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Many businesses are migrating to the cloud for scalability and cost savings.
Q. 16 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Multi-cloud'?
A
Many PCs
B
Using multiple different cloud providers
C
The use of cloud services from more than one provider
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Companies use multi-cloud (e.g., AWS + Azure) for redundancy and flexibility.
Q. 17 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Hybrid Cloud'?
A
Fast cloud
B
Combining private and public cloud
C
A mix of on-premises, private cloud, and public cloud services
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
It allows data to move between different environments as needed.
Q. 18 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Auto-scaling' in the cloud?
A
Large icons
B
Automatically adding/removing cloud resources based on demand
C
The ability of cloud services to expand or shrink based on traffic
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Scaling ensures apps stay fast during peaks and save money during lows.
Q. 19 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Infrastructure as Code' (IaC)?
A
Writing code for apps
B
Managing hardware via code
C
Managing infrastructure through machine-readable files
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
IaC allows for automated setup of servers and networks using configuration files (e.g., Terraform).
Q. 20 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Observability' in cloud systems?
A
Monitoring only
B
Understanding internal state from outputs
✓ Correct
C
Checking the screen
D
A backup tool
💡 Step-by-Step Explanation & Concept Rationale
Observability goes beyond monitoring to help debug complex, distributed systems in real-time.
Q. 21 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Terraform'?
A
Landscaping software
B
Infrastructure as Code (IaC) tool
C
An open-source tool for building and managing cloud infrastructure
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
It allows for consistent deployment across providers like AWS, Azure, and Google Cloud.
Q. 22 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Serverless' actually?
A
No servers used
B
Cloud provider manages the server completely
C
Infrastructure managed by the provider, not the user
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
The "serverless" name implies the developer doesn't have to think about server maintenance.
Q. 23 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Kubernetes' (K8s)?
A
A web browser
B
Container orchestration platform
C
A system for automating deployment and scaling of containers
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
It is the industry standard for managing large-scale containerized applications.
Q. 24 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Cloud-native' application?
A
App in the sky
B
Software designed specifically for cloud environments
C
An application built using cloud concepts like microservices and containers
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
These apps are highly scalable and resilient compared to traditional ones.
Q. 25 Computer Aptitude Test
Difficulty: Medium (1 Mark)
What is 'Vertical Scaling' (Scaling Up)?
A
Adding more PCs
B
Adding more power (CPU/RAM) to one server
C
Increasing the capacity of a single resource (e.g., adding RAM)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Scaling Up is limited by the maximum capacity of the single machine.
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