WorksheetsSystem Integration Scalability and Performance Worksheet
Total questions: 119
Worksheet time: 3570secs
Which of the following best defines scalability in system integration?
The ability to handle increased workloads by adding resources
The speed of processing a single transaction
The ability to minimize database queries
The process of compressing event messages
What term refers to the time it takes to complete a single request in performance measurement?
Throughput
System availability
Resource usage
Response time
Vertical scaling involves:
Adding more resources to a single node
Adding more nodes to the system
Removing unneeded instances
Distributing traffic among servers
Horizontal scaling is characterized by:
Upgrading CPU and RAM
Using a single database server
Reducing the number of requests
Adding more nodes to distribute workload
Load balancing helps improve scalability by:
Distributing requests evenly across available servers
Minimizing API caching
Using only one processing node
Limiting asynchronous processing
Which load-balancing technique distributes traffic to the server with the fewest active connections?
Round-robin
Least connections
Weighted random
Session-based
Sticky sessions are important because they:
Randomly assign clients to servers
Maintain session continuity for each client
Reduce event-driven performance
Disable cache invalidation
Distributed caching improves performance by:
Slowing down response times
Increasing database calls
Reducing redundant data retrieval
Eliminating load balancers
Which caching system is commonly used for distributed caching?
Redis
Kafka
Prometheus
RabbitMQ
Auto-scaling in cloud environments ensures scalability by:
Allowing manual addition of resources
Stopping all idle instances
Reducing memory allocation
Automatically adding or removing resources based on demand
Which metric measures the maximum number of requests a system can handle in a given time?
Latency
Throughput
Availability
Fault tolerance
What is the main purpose of a Content Delivery Network (CDN) in system performance?
Increase local database queries
Reduce latency by caching content closer to users
Limit server capacity
Randomly distribute workloads
Which of the following best describes failover in distributed systems?
A method to reduce session persistence
Automatic switching to a standby system when the primary fails
A way to increase API calls
Balancing loads across multiple servers
In performance testing, which type of test evaluates system behavior under extreme workloads?
Stress testing
Unit testing
Integration testing
Regression testing
What role does a message queue play in improving system scalability?
Stores logs permanently
Enables asynchronous processing to decouple components
Reduces cache size
Forces synchronous execution
Asynchronous messaging enables systems to:
Synchronize updates immediately
Reduce horizontal scaling
Decouple producers and consumers
Disable load balancing
Which of the following is an example of a distributed message queue?
MySQL
Apache Kafka
NGINX
Prometheus
In an event-driven architecture, communication occurs through:
Direct API calls
Events between loosely coupled services
Manual data transfer
Synchronous processing only
Event partitioning in integration systems enables:
Parallel processing and scalability
Sequential transaction queuing
Resource limitation
Centralized event storage
Performance optimization in event-driven architectures can involve:
Limiting event size
Disabling event batching
Removing all cache layers
Using batching and compression
The primary goal of performance monitoring is to:
Identify and resolve system bottlenecks
Increase response times
Disable scaling mechanisms
Reduce message queuing
Which tool can simulate high traffic scenarios to test system performance?
Redis
Apache JMeter
RabbitMQ
Grafana
Database performance tuning may involve:
Increasing redundancy
Optimizing queries and indexing
Reducing system monitoring
Removing load balancers
Continuous performance optimization focuses on:
Iterative monitoring and improvement over time
One-time system tuning
Manual scaling only
Ignoring resource utilization
Which practice ensures ongoing scalability and stability in deployment pipelines?
Ignoring performance thresholds
Turning off monitoring tools
Using manual stress testing
Integrating automated performance tests in CI/CD
Which technique helps prevent a single point of failure in distributed systems?
Load balancing
Single-node processing
Event queuing only
Sequential execution
What is the primary benefit of using microservices in system integration?
Tightly coupled components
Independent deployability and scalability
Reduced monitoring
Increased monolithic complexity
Circuit breakers in distributed systems are used to:
Automatically scale nodes
Prevent cascading failures by stopping requests to failing services
Increase event size
Disable caching
Which type of caching stores frequently accessed data closer to the application to reduce latency?
Local/in-memory caching
Cold storage
Sequential logging
File-based backup
What is the purpose of service orchestration in an integrated system?
Coordinate interactions among multiple services to achieve a business process
Disable horizontal scaling
Reduce response time by limiting resources
Randomly assign tasks
Which of the following best describes the goal of integrating security systems?
To reduce software size
To eliminate physical devices
To increase isolation between systems
To improve efficiency and centralize control
In system integration, which principle ensures that only authorized individuals can access certain data or systems?
Authorization
Encryption
Non-repudiation
Integrity
Which of the following is a common threat that arises from insecure integration between systems?
Overclocking
Injection attacks
Disk fragmentation
System caching
What is the main goal of encryption in integrated systems?
To speed up access control
To maintain confidentiality of data in transit
To reduce storage costs
To bypass authentication
Role-Based Access Control (RBAC) primarily assigns permissions based on what factor?
The user’s job role
The user’s location
The device being used
The system’s bandwidth
Which protocol provides modern, secure data transmission between systems?
SSL
HTTP
FTP
TLS
Identity and Access Management (IAM) ensures that:
Every user can access all systems freely
Access logs are deleted regularly
Only verified users access specific resources
Passwords are shared between users
Secure API design includes all of the following EXCEPT:
Allowing anonymous access to all endpoints
Using authentication tokens
Enabling HTTPS
Validating input data
What type of encryption uses a pair of keys — one public and one private?
Symmetric
Asymmetric
Token-based
Encrypted hashing
Threat modeling helps organizations by:
Identifying assets, threats, and vulnerabilities before attacks occur
Creating new malware signatures
Developing faster APIs
Limiting system redundancy
Which practice helps protect integrated systems from unauthorized changes or tampering?
Data integrity checks
Load balancing
Event partitioning
Horizontal scaling
Multi-factor authentication (MFA) improves security by:
Requiring multiple credentials for user verification
Reducing server response time
Encrypting all network traffic
Automatically creating user roles
In secure system integration, logging and auditing are primarily used to:
Track user actions and detect anomalies
Reduce data replication
Improve cache performance
Automatically scale resources
Which type of attack exploits vulnerabilities in poorly validated input fields?
Phishing
Injection attacks
DDoS
Man-in-the-middle
Security monitoring tools in integrated systems help by:
Continuously observing system activity for potential threats
Increasing event queue sizes
Disabling encryption temporarily
Reducing API throughput
What is the key function of an IAM framework in integration?
Data compression
Managing identities and enforcing access control
Handling multimedia data
Speeding up encryption
Which of the following best defines secure data transmission?
Sending unencrypted files
Protecting data while it moves between systems
Using outdated SSL versions
Sending credentials through email
The “least privilege principle” in RBAC means:
Giving everyone full access for convenience
Removing passwords
Randomly assigning access
Granting users only the permissions they need
One major challenge in integrating security systems is:
Compatibility between proprietary systems
Using open-source encryption
Centralized authentication
Unified dashboards
Why are open standards important in system integration?
They complicate interoperability
They restrict device support
They eliminate encryption
They enable devices from different vendors to communicate
Data leakage in integrated systems occurs when:
Sensitive information is accidentally shared or exposed
Systems are properly encrypted
Access is restricted
APIs are secured with TLS
The purpose of a penetration test in integrated environments is to:
Slow down system response
Simulate real-world attacks to find vulnerabilities
Test user interfaces
Measure bandwidth
In federated identity management, users:
Authenticate once to access multiple connected systems
Need separate logins for each service
Which of the following is an example of secure data format used in REST APIs?
CSV
XML Encryption
JSON Web Encryption (JWE)
Plaintext JSON
Why is executive support critical in system security integration?
It ensures leadership drives compliance and employee cooperation
It replaces technical documentation
It prevents audits
It reduces the need for encryption
Which method helps prevent unauthorized API access in integrated systems?
Using API keys and tokens
Disabling encryption
Reducing server memory
Limiting horizontal scaling
What is the main advantage of implementing centralized logging in integrated systems?
Easier monitoring and faster detection of security incidents
Reduces encryption overhead
Eliminates the need for backups
Improves database normalization
Which type of security testing focuses on identifying vulnerabilities from the attacker’s perspective?
Black-box testing
White-box testing
Unit testing
Load testing
In integrated systems, token-based authentication primarily helps with:
Securing API requests and maintaining session integrity
Reducing hardware requirements
Limiting response times
Increasing database redundancy
Why is continuous monitoring important in secure system integration?
To detect and respond to threats in real time
To disable user accounts automatically
To reduce system scalability
To replace encryption mechanisms
What is the main objective of system integration testing (SIT)?
To ensure that different components work together correctly
To design the user interface
To manage employee data
To deploy to production
Which testing method involves verifying the complete process from start to finish?
Unit testing
Smoke testing
Functional testing
End-to-end testing
Why should testing start early in the development lifecycle?
To identify and fix issues before they become more expensive
To delay code reviews
To skip regression tests
To avoid documentation
What does continuous testing in a CI/CD pipeline aim to achieve?
Manual verification
Code refactoring
Deployment delays
Automated validation after each integration
Test data management ensures that:
The data used for testing is realistic and secure
Developers skip invalid data
All data is copied from production
Testers use live customer data
A stub in integration testing is used to:
Replace the entire system
Return predefined responses during testing
Simulate UI animations
Measure CPU performance
In mocking and stubbing, mocks are primarily used to:
Generate test data
Verify if components communicate correctly
Hide user credentials
Delete old test cases
Which of the following best describes virtualization in test environments?
Using local servers only
Ignoring production settings
Creating isolated, reproducible environments for testing manually
Encrypting code manually
Test data masking is used to:
Hide sensitive information while keeping realistic formats
Replace encryption
Remove all test data
Delay validation
Continuous integration primarily involves:
Hardware scaling
Security patching
End-user testing
Frequently merging and testing code changes
Regression testing is performed to:
Verify that new changes do not break existing functionality
Delete old test cases
Measure server throughput
Reduce database size
Which metric helps evaluate the efficiency of a test suite?
Code coverage
CPU usage
Network latency
Disk fragmentation
Load testing primarily assesses:
System behavior under expected or peak workload
Syntax errors in code
User interface design
Data integrity only
What is the purpose of a test harness in integration testing?
Automate test execution and manage test cases
Encrypt all test data
Scale servers horizontally
Replace database queries
Why is traceability important in system integration testing?
It links test cases to requirements to ensure coverage and accountability
It improves cache performance
It deletes unused test data
It reduces response time
Configuration management helps ensure:
Different environments run different versions
Consistency across all testing setups
Data loss
Untracked changes
In system integration, what is the purpose of regression testing?
To eliminate test cases
To confirm that new updates don’t break existing functionality
To validate production
To test only user input
Why is environment isolation important during testing?
To reduce test coverage
To prevent interference with production systems
To increase manual testing
To improve downtime
Which of the following tools is used for infrastructure-as-code (IaC)?
Terraform
Jenkins
Selenium
JIRA
Test environment refresh ensures:
Testers can skip data synchronization
Outdated configurations stay unchanged
New fields remain untested
The test setup matches the latest production updates
Why is data anonymization important in testing?
It prevents identification of real individuals in test data
It enhances database speed
It supports UI validation
It removes encryption keys
Which approach allows developers to write tests before the actual code?
System Testing
Test-Driven Development (TDD)
Regression Testing
Load Testing
A benefit of automated provisioning of test environments is:
Manual setup accuracy
Faster, consistent environment creation
Slower deployment
Higher cost
What is the purpose of using service virtualization in integration testing?
To simulate unavailable or expensive external systems
To perform manual verification
To manage UI design
To reduce code coverage
In a CI/CD pipeline, continuous delivery focuses on:
Unit testing
Manual deployment
Refactoring
Automating deployment of tested code to production
What is the primary goal of sanity testing in system integration?
To quickly verify that a specific functionality works after minor changes
To test the entire system in detail
To measure system throughput
To update documentation only
Which type of testing evaluates how a system behaves under extreme conditions?
Stress testing
Unit testing
Functional testing
Smoke testing
In integration testing, a test case should include:
Input data, expected results, and execution steps
Only output values
Database schema
Hardware specifications
Why is version control important in system integration projects:
To track changes, manage conflicts, and maintain history of code and configurations
To reduce testing coverage
To increase CPU usage
To bypass authentication
Which practice helps ensure reproducibility of test results across different environments?
Using standardized test environments and configurations
Randomly changing test data
Skipping environment updates
Manually editing test results
Why is keeping up with technological trends crucial for organizations?
It limits scalability
It prevents innovation
It increases manual workload
It helps businesses stay competitive and adaptable to market changes
Which of the following best describes the benefit of sustainable architecture?
Conservation of energy and eco-friendly building materials
Higher operating costs
Increased waste
Reduced use of technology
Which technology enhances architects’ ability to visualize projects in real-world context?
Static sketches
3D visualization and immersive design tools
Manual drafting
CAD printing
What is the core idea behind parametric architecture?
Blueprints are drawn by hand
Designs are governed by parameters and constraints
Shapes are random
Manual form selection
Which of the following is an example of an innovative building material?
Self-healing concrete or pollution-absorbing bricks
Asphalt
Wood
Clay
What is the main advantage of integrating IoT in smart homes?
Increased manual operation
Devices work independently
No internet required
Centralized monitoring and automation
How does Industrial IoT (IIoT) improve manufacturing?
Reducing automation
Increasing manual inspections
Predictive maintenance and optimized performance
Disabling data analysis
What is the benefit of edge computing in IoT systems?
Processes data closer to devices for faster decision-making
Increases latency
Moves all data to the cloud
Eliminates sensors
Smart agriculture mainly benefits from IoT through:
Virtual classrooms
Manual irrigation
Automated precision monitoring of crops
Cloud gaming
What is a key concern in IoT integration?
Security and privacy of connected devices
Manual data entry
Low power use
Hardware cost
Which of the following best describes a digital twin in architecture or IoT systems?
A virtual replica of a physical object or system for monitoring and simulation
A duplicate building made of concrete
Manual sketches of structures
Physical sensors only
How does cloud computing benefit IoT applications?
Provides scalable storage and processing power for large volumes of data
Reduces internet connectivity
Replaces edge devices
Increases manual data entry
What role does AI play in smart cities?
Automates traffic management, energy use, and public services
Increases paperwork
Limits sensor usage
Reduces connectivity
Which technology helps construction workers monitor structures in real-time for safety and maintenance?
IoT sensors and wearable devices
Manual inspections only
Paper checklists
Blueprints alone
What is the main advantage of modular construction?
Faster assembly, flexibility, and reduced construction waste
Increased project delays
Higher labor costs
Limited design options
In AI-powered data mapping, what is the main advantage?
It disables automation
AI learns from previous mappings to improve accuracy
Manual coding increases
It reduces system learning
Predictive data integration primarily focuses on:
Deleting redundant data
Optimizing integration scheduling and resources
Manual migration
Random data grouping
Intelligent routing in integration systems uses AI to:
Assign static paths
Disable message delivery
Randomize connections
Dynamically choose efficient routes and priorities
AI-based anomaly detection helps by:
Identifying irregular patterns and triggering alerts automatically
Ignoring errors
Delaying responses
Removing notifications
What is the primary goal of AI-driven performance monitoring?
Random data checks
Logging user actions
Decreasing system load
Detecting bottlenecks and improving resource usage
A major benefit of serverless architectures is:
Automatic scaling with payment only for used resources
Manual scaling
Offline computation
High fixed cost
Event-driven serverless functions are triggered by:
Network restarts
Events such as API calls, database updates, or messages
Manual timers
Static files like characters, images, audio, or any multimedia
What makes Function-as-a-Service (FaaS) ideal for IoT data processing?
Real-time, event-based response to sensor data
Manual function activation
Complex configuration
Fixed scheduling
API management platforms primarily help organizations by:
Limiting integration
Reducing documentation
Centralizing API creation, security, and analytics
Preventing collaboration
Which of the following best describes microservices architecture?
A monolithic system with a single codebase
Small, independent services that communicate over APIs
A desktop application only
A static website
How does containerization benefit system integration?
Packages applications and dependencies for consistent deployment across environments
Increases hardware dependency
Requires manual installation on each server
Reduces security
What is the purpose of API throttling in integration systems?
Limit the number of API requests to prevent overload and ensure stability
Increase response time
Disable endpoint access
Delete API logs
Which cloud service model provides virtualized infrastructure for deploying and managing applications?
Infrastructure as a Service (IaaS)
Software as a Service (SaaS)
Platform as a Service (PaaS)
Database as a Service (DBaaS)
In hybrid cloud integration, the main advantage is:
Combining on-premises and cloud resources for flexibility and optimized workloads
Using only local servers
Eliminating scalability
Reducing security measures
