MCQs

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Overall MCQs for Reference

Which architectural constraint is fundamental in RESTful APIs?
a. Statelessness
b. Stateful persistence
c. Monolithic processing
d. Synchronous only
Answer: a. Statelessnessgeeksforgeeks+2
What protocol do RESTful APIs commonly use for communication?
a. FTP
b. HTTP
c. SMTP
d. SNMP
Answer: b. HTTPibm+2
Which of the following is NOT a standard HTTP method in REST?
a. GET
b. POST
c. UPDATE
d. DELETE
Answer: c. UPDATErestfulapi+2
What format is most often used for RESTful API data exchange?
a. YAML
b. XML
c. JSON
d. CSV
Answer: c. JSONaws.amazon+2
In RESTful APIs, what uniquely identifies each resource?
a. Username
b. Session key
c. Uniform Resource Locator (URL)
d. File path
Answer: c. URLcloud.google+2
Which principle separates the client and server in RESTful API architecture?
a. Microservices
b. Client-server model
c. Batch processing
d. RPC
Answer: b. Client-server modeldocument360+2
What is the main use of the POST method in REST APIs?
a. Retrieve data
b. Update existing records
c. Delete records
d. Create new resources
Answer: d. Create new resourcesknowi+2
Which RESTful constraint requires that messages carry enough information on how to process them?
a. Idempotence
b. Self-descriptive messages
c. Stateless communication
d. Layered architecture
Answer: b. Self-descriptive messagesrestfulapi+1
How is authentication typically handled in RESTful APIs?
a. SSH keys
b. Token-based methods like OAuth
c. Captcha
d. SSL certificate only
Answer: b. Token-based methods like OAuthappsentinels+3
What method would you use to remove a resource in REST?
a. PUT
b. DELETE
c. GET
d. POST
Answer: b. DELETEibm+2
Which aspect of RESTful APIs is crucial for AI-driven real-time analytics?
a. Synchronous batch processing
b. Statelessness enabling scalability
c. Encrypted FTP transfer
d. Fixed endpoints
Answer: b. Statelessness enabling scalabilityaws.amazon+1
Which is a common vulnerability in insecure RESTful APIs?
a. SQL Injection
b. Cross-site Scripting
c. Broken authentication
d. DNS Spoofing
Answer: c. Broken authenticationapi7+1
What type of parameter in RESTful APIs specifies details in the URL?
a. Body parameter
b. Cookie parameter
c. Query parameter
d. Path parameter
Answer: d. Path parameterknowi+2
What is the role of HTTP headers in RESTful API requests?
a. Provide metadata
b. Store images
c. Execute scripts
d. Filter endpoints
Answer: a. Provide metadataaws.amazon+1
Which authentication method is most recommended for high-security AI APIs?
a. API keys only
b. Basic username/password
c. OAuth2 with tokens
d. Open WiFi
Answer: c. OAuth2 with tokensmerge+3
Why are RESTful APIs preferred for microservices in AI?
a. Tight coupling
b. Resource flexibility and independent scaling
c. Monolithic architecture
d. Synchronous-only protocol
Answer: b. Resource flexibility and independent scalingbrowserstack+2
What is the primary format for client-server data transfer in RESTful AI apps?
a. HTML
b. JSON
c. PDF
d. Binary
Answer: b. JSONgeeksforgeeks+2
What should every RESTful API response contain?
a. Image file
b. Resource representation
c. Encrypted email
d. FTP file
Answer: b. Resource representationrestfulapi+1
Which HTTP method is suitable for updating data in REST?
a. GET
b. DELETE
c. PUT
d. HEAD
Answer: c. PUTibm+1
For AI integration, which API principle is key to rapid prototyping?
a. Slow endpoints
b. Uniform resource identifiers
c. Statelessness
d. Proprietary protocols
Answer: c. Statelessnessdocument360+2
What is a RESTful API endpoint essentially?
a. Algorithm
b. A URL pointing to a resource
c. Use case documentation
d. User group
Answer: b. A URL pointing to a resourcebrowserstack+2
Which practice can help secure AI RESTful APIs?
a. Use of public endpoints only
b. Applying rate-limiting
c. Open access to all users
d. Data exposure
Answer: b. Applying rate-limitingpractical-devsecops+1
In REST API, what is the meaning of stateless?
a. Each request is independent with no server-side record of previous requests
b. Server stores user preferences between requests
c. All requests are synchronous
d. Requests must use cookies
Answer: a. Each request is independent with no server-side record of previous requestsgeeksforgeeks+2
Which algorithm secures token-based authentication in REST AI APIs?
a. SHA-256
b. DES
c. Base64
d. MD5
Answer: a. SHA-256appsentinels+1
What is a common format for REST API documentation?
a. Markdown
b. HTML
c. OpenAPI/Swagger JSON
d. LaTeX
Answer: c. OpenAPI/Swagger JSONlearn.microsoft+1
What does CRUD stand for in RESTful AI APIs?
a. Create, Retrieve, Update, Delete
b. Compute, Read, Use, Drop
c. Copy, Reboot, Update, Delete
d. Connect, Route, Use, Deliver
Answer: a. Create, Retrieve, Update, Deleteknowi+2
How are RESTful APIs commonly tested in AI?
a. API mocking tools
b. Data compression apps
c. Manual SSH access
d. Hardware emulation
Answer: a. API mocking toolsmoesif+2
Which AI service commonly uses RESTful APIs for model deployment?
a. Storage service
b. Data visualization dashboard
c. Machine Learning model hosting
d. Mechanical switches
Answer: c. Machine Learning model hostingdreamfactory+1
What helps RESTful API clients specify return format (e.g., XML, JSON)?
a. HTTP header
b. Cookie
c. DNS record
d. API key
Answer: a. HTTP headeraws.amazon+1
What is the role of API Gateway for RESTful APIs in AI environments?
a. Encrypt files
b. Manage endpoints, monitor usage, and scalability
c. Generate SSH certificates
d. Filter user queries
Answer: b. Manage endpoints, monitor usage, and scalabilitymerge+2
Which RESTful API method should be used for partial updates to resources?
a. GET
b. PATCH
c. POST
d. PUT
Answer: b. PATCHlearn.microsoft+1
What is a common access control strategy for RESTful APIs in AI?
a. Whitelisting all users
b. Role-based access control (RBAC)
c. Direct database access
d. FTP passwords
Answer: b. Role-based access control (RBAC)frontegg+2
Which best practice enhances RESTful API security for AI?
a. Storing secrets in code
b. Centralized secrets vault with auto-rotation
c. Plaintext passwords
d. Static tokens
Answer: b. Centralized secrets vault with auto-rotationpractical-devsecops+1
Which of the following is a real-world example of a RESTful API in AI?
a. Twitter API for natural language analysis
b. NFS mount protocol
c. SFTP for file transfer
d. SMTP for email sending
Answer: a. Twitter API for natural language analysisdreamfactory+1
What type of RESTful API request parameter would authenticate a client quickly?
a. Query parameter
b. Cookie parameter
c. Path parameter
d. Body parameter
Answer: b. Cookie parameterknowi+1
Which protocol should always be enabled for RESTful API security?
a. HTTP
b. HTTPS/TLS
c. FTP
d. IRC
Answer: b. HTTPS/TLSstackoverflow+2
Which of the following is NOT RESTful API best practice in AI applications?
a. Using strong encryption
b. Excessive data exposure
c. Granular access control
d. Input validation
Answer: b. Excessive data exposureapi7+1
In REST, which HTTP method is idempotent?
a. POST
b. GET
c. PATCH
d. PUT
Answer: d. PUTlearn.microsoft+2
Which technology supports single sign-on (SSO) with RESTful AI APIs?
a. SMTP server
b. OAuth2/OpenID Connect
c. SSH tunneling
d. SOAP envelope
Answer: b. OAuth2/OpenID Connectmerge+2
Which RESTful principle allows for layered API deployment in AI?
a. Layered System architecture
b. Monolithic Design
c. In-memory database
d. Proprietary binary protocols
Answer: a. Layered System architecturerestfulapi+1
What is essential to prevent injection attacks in RESTful AI APIs?
a. Input validation
b. Open endpoints
c. Caching
d. Unencrypted communication
Answer: a. Input validationapi7+1
Which AI field most frequently uses RESTful APIs for real-world application integrations?
a. Robotics only
b. Data Science/ML
c. Quantum computing
d. UI design
Answer: b. Data Science/MLcloud.google+2
Which RESTful API feature ensures scalability for AI microservices?
a. Statelessness
b. Server persistence
c. Cached headers
d. Shared secrets in all endpoints
Answer: a. Statelessnessdocument360+2
Which header type can restrict RESTful AI API access to a domain?
a. API-Token
b. Host header
c. OAuth-Body
d. MIME-Type
Answer: b. Host headeraws.amazon+1
Which RESTful API technique is used for client behavior analytics in AI security?
a. Behavioral analytics on access patterns
b. SHA-1 hashing
c. CAPTCHA
d. Legacy logs
Answer: a. Behavioral analytics on access patternsappsentinels
Which is a common RESTful API vulnerability in cloud-based AI?
a. Secure token validation
b. Broken authorization
c. Hardware firewall bypass
d. TLS pinning
Answer: b. Broken authorizationpractical-devsecops+1
What is an advantage of RESTful APIs in AI for mobile device integration?
a. Tight coupling with device OS
b. Platform-agnostic lightweight communication
c. Large binary messages
d. Thick client requirement
Answer: b. Platform-agnostic lightweight communicationbrowserstack+1
Which is crucial for maintaining privacy in RESTful AI API design?
a. Excessive data sharing
b. Least privilege access
c. Read-only endpoints for all
d. No encryption required
Answer: b. Least privilege accessapi7+1
Which of the following supports rapid debugging and development of RESTful APIs?
a. Real-time error codes and mock endpoints
b. Manual SSH key rotation
c. Email notifications only
d. No error handling
Answer: a. Real-time error codes and mock endpointsmoesif+2
Which statement best summarizes the value of RESTful APIs in modern AI?
a. RESTful APIs provide secure, scalable, and standardized interfaces for AI integration
b. RESTful APIs replace all AI algorithms
c. RESTful APIs require proprietary hardware
d. RESTful APIs are only for legacy software
Answer: a. RESTful APIs provide secure, scalable, and standardized interfaces for AI integrationcloud.google+39]restfulapi

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