MCQs

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1. Which messaging protocol is most commonly used for asynchronous communication between cloud services?
   a. IMAP
   b. MQTT
   c. SMTP
   d. POP3
   Answer: bstudocu+1
2. What messaging model ensures that a message is delivered to one and only one receiver?
   a. Broadcast
   b. Point-to-point
   c. Multicast
   d. Anycast
   Answer: btagoreiet
3. Which of the following is a publish/subscribe messaging protocol designed for lightweight M2M communication?
   a. SOAP
   b. XMPP
   c. MQTT
   d. SMTP
   Answer: csanfoundry+1
4. What method is used by cloud messaging systems to decouple message producers from consumers?
   a. Direct calls
   b. Shared memory
   c. Topic-based routing
   d. Static IP addressing
   Answer: ctagoreiet
5. Which protocol enables near real-time messaging and presence notification in cloud services?
   a. SMTP
   b. POP3
   c. XMPP
   d. FTP
   Answer: csrmvalliammai
6. Which component is responsible for storing messages when the receiver is unavailable?
   a. Message broker
   b. Publisher
   c. Subscriber
   d. Client
   Answer: atagoreiet
7. Which model ensures messages are distributed to multiple subscribers?
   a. Request-reply
   b. Publish-subscribe
   c. Point-to-point
   d. Token ring
   Answer: btagoreiet
8. In enterprise messaging, which format is most often used for message payloads in cloud APIs?
   a. HTML
   b. CSV
   c. JSON
   d. TXT
   Answer: cscribd+1
9. Which messaging system relies on queues for orderly delivery?
   a. Email
   b. SMS
   c. Message Queue
   d. Hybrid cloud
   Answer: ctagoreiet
10. What strategy allows message consumers to poll for new messages at their convenience?
    a. Push
    b. Pull
    c. Sync
    d. Alert
    Answer: btagoreiet
11. Which Azure service is designed for queue-based messaging?
    a. Blob Storage
    b. Table Storage
    c. Service Bus Queue
    d. File Share
    Answer: cscribd
12. Which cloud service supports topic-based publish/subscribe messaging for scalable event distribution?
    a. Azure Table Storage
    b. AWS SNS
    c. Google Cloud Storage
    d. AWS S3
    Answer: btagoreiet
13. What messaging method is typically used for notifications to mobile devices via cloud?
    a. HTTPS
    b. REST API
    c. Push Notification
    d. FTP
    Answer: csanfoundry
14. Which open standard protocol is designed for the exchange of structured information in web services?
    a. REST
    b. JSON
    c. SOAP
    d. FTP
    Answer: cstudocu+1
15. Which is true for brokers in cloud messaging systems?
    a. Brokers deliver messages directly to endpoints.
    b. Brokers store, filter, and route messages.
    c. Brokers encrypt all messages.
    d. Brokers only work with XML payloads.
    Answer: btagoreiet
16. Which protocol is optimized for large message size and high reliability in cloud business applications?
    a. SMTP
    b. AMQP
    c. MQTT
    d. XMPP
    Answer: bwatelectronics+1
17. Which messaging component in AWS decouples application components in microservices architectures?
    a. Lambda
    b. SNS
    c. SQS
    d. EC2
    Answer: cscribd
18. In messaging, what does “acknowledgment” refer to?
    a. Encrypting the message
    b. Confirming delivery of a message
    c. Formatting the payload
    d. Archiving
    Answer: btagoreiet
19. Which protocol is commonly used for instant messaging clients in the cloud?
    a. XMPP
    b. FTP
    c. Telnet
    d. HTTP
    Answer: asrmvalliammai
20. What method provides synchronous messaging between cloud components?
    a. Publish/Subscribe
    b. Request/Reply
    c. Broadcast
    d. Push
    Answer: btagoreiet
21. Which protocol is well suited for web-based APIs and webhooks?
    a. SMTP
    b. REST
    c. IMAP
    d. MQTT
    Answer: bscribd
22. When using message queues, messages are processed:
    a. By priority only
    b. In the order they are sent (FIFO)
    c. Randomly
    d. By destination IP
    Answer: btagoreiet
23. Which messaging model fits distributed notification for multiple subscribers in real time?
    a. Point-to-point
    b. Publish/Subscribe
    c. Peer-to-peer
    d. Sync
    Answer: btagoreiet
24. What protocol does Google Cloud Pub/Sub use for message publishing and delivery?
    a. MQTT
    b. REST
    c. SMTP
    d. AMQP
    Answer: bsanfoundry
25. Which mechanism in messaging platforms ensures message persistence until successfully delivered?
    a. Ephemeral transport
    b. Guaranteed delivery
    c. Sync polling
    d. Elastic streaming
    Answer: bstudocu+1
26. What is the default message format for Amazon SNS notifications?
    a. CSV
    b. TXT
    c. JSON
    d. HTML
    Answer: cscribd
27. What messaging method is designed for secure message delivery in cloud banking applications?
    a. FTP
    b. SMTP
    c. Secure Message Queuing (SMQ)
    d. REST API
    Answer: cstudocu
28. Which open protocol is widely used for messaging between IoT devices and the cloud?
    a. SMTP
    b. MQTT
    c. SOAP
    d. FTP
    Answer: bsanfoundry
29. Which messaging method allows decoupling between message producer and consumer?
    a. Direct synchronous call
    b. Message Queuing
    c. Broadcasting
    d. Polling
    Answer: btagoreiet
30. What protocol is ideal for real-time collaborative chat in cloud-based web apps?
    a. SMTP
    b. XMPP
    c. FTP
    d. REST
    Answer: bsrmvalliammai
31. Which component ensures messages are routed to the correct subscriber in pub/sub?
    a. Queue
    b. Broker
    c. Endpoint
    d. Publisher
    Answer: btagoreiet
32. Which mechanism supports encrypted messaging across distributed cloud applications?
    a. SSL/TLS
    b. Base64
    c. FTP
    d. DNS
    Answer: astudocu
33. When would cloud messaging use the push strategy for event dispatch?
    a. Only on error
    b. When publisher needs to notify all subscribers immediately
    c. On scheduled jobs
    d. Never
    Answer: btagoreiet
34. Which protocol is suitable for email communications in cloud platforms?
    a. REST
    b. SMTP
    c. MQTT
    d. JSON
    Answer: binterviewbit+1
35. What is a primary advantage of using asynchronous messaging in cloud services?
    a. Immediate feedback
    b. Decouples sender and receiver timing
    c. Requires constant connectivity
    d. Synchronous processing
    Answer: bsanfoundry+1
36. Which messaging service is part of Google Cloud for real-time analytics and streaming?
    a. BigQuery
    b. Pub/Sub
    c. Drive
    d. App Engine
    Answer: bsanfoundry
37. Which protocol is used for exchanging structured data as XML messages in legacy cloud services?
    a. JSON
    b. SOAP
    c. FTP
    d. Telnet
    Answer: bstudocu+1
38. Which is a disadvantage of direct point-to-point messaging in scalable cloud systems?
    a. Tight coupling between sender and receiver
    b. Latency reduction
    c. Simplified routing
    d. Cost savings
    Answer: atagoreiet
39. What protocol is leveraged for presence indication and messaging in social networking cloud apps?
    a. SMTP
    b. XMPP
    c. FTP
    d. DNS
    Answer: bsrmvalliammai
40. Which type of message delivery is guaranteed in AMQP?
    a. Broadcast
    b. At least once
    c. Never
    d. Best effort only
    Answer: bwatelectronics
41. What is the role of a publisher in cloud pub/sub messaging?
    a. Receive messages
    b. Process events
    c. Send messages to a topic
    d. Deliver feedback
    Answer: csanfoundry+1
42. Which messaging protocol supports both message and presence exchange in cloud chat services?
    a. SMTP
    b. XMPP
    c. AMQP
    d. MQTT
    Answer: bsrmvalliammai
43. What is a message queue’s main purpose?
    a. Encrypt data
    b. Buffer messages for delivery
    c. Format data for publishing
    d. Track sender activity
    Answer: bstudocu+1
44. Which type of cloud messaging supports event-based notifications?
    a. Queue-based
    b. Publish/Subscribe
    c. Request/Reply
    d. Synchronous calls
    Answer: btagoreiet
45. What is Enterprise Service Bus (ESB) used for in large-scale cloud messaging?
    a. Full database management
    b. Centralized routing and transformation of messages
    c. User authentication
    d. Storing emails
    Answer: bstudocu
46. Which protocol is best for lightweight publish/subscribe in IoT messaging?
    a. FTP
    b. MQTT
    c. SMTP
    d. SOAP
    Answer: bsanfoundry
47. What is a core benefit of using cloud messaging middleware?
    a. Manual event tracking
    b. Automated scaling and queue management
    c. Restrictive data formats
    d. Single endpoint transport
    Answer: btagoreiet
48. What cloud messaging method would you use for transaction notifications across distributed microservices?
    a. Direct DB updates
    b. Pub/Sub topics
    c. Manual polling
    d. Email
    Answer: bsanfoundry+1
49. What protocol allows web service clients to make remote procedure calls in legacy cloud messaging?
    a. SOAP
    b. SMTP
    c. POP3
    d. HTTP
    Answer: ascribd+1
50. Which protocol uses XML payloads for message structure and envelope processing in web cloud apps?
    a. REST
    b. SOAP
    c. FTP
    d. IMAP
    Answer: bscribd+1

1. https://www.studocu.com/in/document/anna-university/cloud-computing-cs8791/cloud-computing-mcq-mcq/13933351
2. https://www.sanfoundry.com/cloud-computing-questions-answers-communicating-cloud-1/
3. http://www.tagoreiet.ac.in/uploads/corner/qbcse/CS8791.pdf
4. https://srmvalliammai.ac.in/wp-content/uploads/2022/11/1908701-cloud-computing.pdf
5. https://www.scribd.com/document/734743230/Cloud-Computing-MCQ-Multi-Choice-Questions-Javatpoint
6. https://www.watelectronics.com/mcq/cloud-computing/
7. https://www.sanfoundry.com/iot-questions-answers-entrance-exams/
8. https://www.studocu.com/in/document/srm-valliammai-engineering-college/computer-architecture/198701-cloud-computing-question-bank/37763280
9. https://www.interviewbit.com/cloud-computing-interview-questions/
10. https://www.sanfoundry.com/1000-cloud-computing-questions-answers/
11. https://www.scribd.com/document/541792862/Cloud-Computing-MCQ-Questions-and-Answers-PDF-Tutorial
12. https://www.slideshare.net/slideshow/mcq-cloud-computing-reference-material-pdf/272162717
13. https://www.scribd.com/document/758011741/question-bank-cloud-computing
14. https://www.scribd.com/document/516747641/Cloud-Coputing
15. https://www.computersprofessor.com/2018/11/multiple-choice-questions-and-answers_15.html
16. https://examradar.com/fundamentals-of-cloud-computing-and-cloud-services-mcqs/
17. https://mrcet.com/pdf/Question%20Banks/4-1QB(2020-21).pdf
18. https://www.javainuse.com/quiz/cc
19. https://www.scribd.com/document/489663853/Cloud-Computing-MCQ-Multi-Choice-Questions-javatpoint-pdf
20. https://www.scribd.com/document/607732279/Cloud-Computing-Question-Bank