MCQs

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1. Which of the following allows short text messages to be exchanged in cloud communication services?
   a. SMS
   b. IMS
   c. JVS
   d. All of the mentioned
   Answer: d. All of the mentionedsanfoundry
2. What is the main protocol used for instant messaging in cloud communications?
   a. SMTP
   b. IM
   c. FTP
   d. SNMP
   Answer: b. IMsanfoundry
3. Which service helps discover and locate other services in SOA cloud communications?
   a. Data bus
   b. Catalog service
   c. Messaging queue
   d. Proxy service
   Answer: b. Catalog servicesanfoundry
4. Which cloud service provides virtualized telephony services?
   a. SaaS
   b. Communications Platform as a Service (CPaaS)
   c. PaaS
   d. IaaS
   Answer: b. Communications Platform as a Service (CPaaS)placementpreparation
5. Which protocol is commonly used for calling and multimedia communication in cloud systems?
   a. HTTP
   b. SIP
   c. POP3
   d. RPC
   Answer: b. SIPsanfoundry
6. What type of cloud communication service enables group video calls?
   a. SaaS
   b. CPaaS
   c. PaaS
   d. IaaS
   Answer: b. CPaaSplacementpreparation+1
7. Which of these is a benefit of cloud-based communications?
   a. Limited scalability
   b. High cost
   c. Scalability and cost savings
   d. Poor mobility
   Answer: c. Scalability and cost savingsplacementpreparation
8. Which service centralizes identity management for communications in the cloud?
   a. IAM
   b. CRM
   c. ERP
   d. SCM
   Answer: a. IAMomarqouqas
9. Which feature provides encryption for communications between cloud services?
   a. SSL/TLS
   b. SMTP
   c. HTTP
   d. FTP
   Answer: a. SSL/TLSplacementpreparation
10. Which messaging protocol is often used in cloud-based email services?
    a. IMAP
    b. FTP
    c. HTTP
    d. SNMP
    Answer: a. IMAPsanfoundry
11. What is an example of real-time cloud communication service?
    a. Email
    b. Instant messaging
    c. File transfer
    d. Archival storage
    Answer: b. Instant messagingsanfoundry
12. Which service provides API-driven text, voice, and video in the cloud?
    a. CPaaS
    b. SaaS
    c. DaaS
    d. PaaS
    Answer: a. CPaaSplacementpreparation
13. What technology is often used to achieve high-speed data transfer in cloud communication?
    a. Fiber optics
    b. Dial-up modem
    c. Bluetooth
    d. Wi-Fi only
    Answer: a. Fiber opticsplacementpreparation
14. Which protocol secures mobile cloud communications?
    a. SSL
    b. SFTP
    c. HTTP
    d. SNMP
    Answer: a. SSLplacementpreparation
15. The function of a cloud-based catalog service is to:
    a. Store user credentials
    b. Locate and define cloud services
    c. Process payments
    d. Track server uptime
    Answer: b. Locate and define cloud servicessanfoundry
16. What type of cloud messaging queue is used for asynchronous communication between services?
    a. SQS
    b. FTP
    c. SMTP
    d. POP3
    Answer: a. SQSvinsys
17. Which provider offers communication services via cloud APIs?
    a. Twilio
    b. Amazon S3
    c. Dropbox
    d. RedHat
    Answer: a. Twilioplacementpreparation
18. Which communication technology facilitates group collaboration in cloud services?
    a. Web conferencing
    b. Tape backup
    c. Database clustering
    d. Load balancing
    Answer: a. Web conferencingsanfoundry
19. The main advantage of cloud communications for business is:
    a. Vendor lock-in
    b. Scalability and remote access
    c. Data silos
    d. Complex setup
    Answer: b. Scalability and remote accessomarqouqas
20. What term describes communication between heterogeneous cloud environments?
    a. Interoperability
    b. Incompatibility
    c. Redundancy
    d. Obsolescence
    Answer: a. Interoperabilityplacementpreparation
21. Which service aggregates user notifications across cloud apps?
    a. Notification hub
    b. Backup service
    c. Load balancer
    d. Data warehouse
    Answer: a. Notification hubplacementpreparation
22. Which protocol is widely used for cloud conferencing and real-time communications?
    a. SIP
    b. UDP
    c. TCP
    d. SNMP
    Answer: a. SIPsanfoundry
23. What is API integration in cloud communications used for?
    a. Syncing software features
    b. Enhancing graphical UI
    c. Data transfer only
    d. Preventing access
    Answer: a. Syncing software featuresomarqouqas+1
24. What ensures communication privacy across cloud-based messaging services?
    a. Encryption
    b. Public networks
    c. Open access
    d. Legacy protocols
    Answer: a. Encryptionplacementpreparation
25. Which service helps manage contacts and address books in the cloud?
    a. CRM
    b. ERP
    c. SCM
    d. HRMS
    Answer: a. CRMomarqouqas
26. What term defines service-aware networking for cloud applications?
    a. Service Oriented Architecture (SOA)
    b. Physical mesh
    c. LAN only
    d. WAN only
    Answer: a. Service Oriented Architecture (SOA)sanfoundry
27. Which protocol facilitates secure file transfers in cloud storage communications?
    a. SFTP
    b. HTTP
    c. SNMP
    d. SMTP
    Answer: a. SFTPplacementpreparation
28. What kind of service would deliver notifications to multiple devices from the cloud?
    a. Push notification service
    b. Database service
    c. Tape backup
    d. Logging service
    Answer: a. Push notification serviceplacementpreparation
29. Which service delivery model focuses on providing communication tools via APIs?
    a. CPaaS
    b. IaaS
    c. SaaS
    d. DaaS
    Answer: a. CPaaSplacementpreparation
30. What is the function of cloud-based load balancers for communication services?
    a. Distribute traffic evenly
    b. Restrict access
    c. Cause outages
    d. Limit bandwidth
    Answer: a. Distribute traffic evenlyomarqouqas
31. Which protocol is central to cloud-based video communication?
    a. RTP
    b. SNMP
    c. SMTP
    d. DNS
    Answer: a. RTPsanfoundry
32. Cloud-based messaging services often use what type of architecture?
    a. Event-driven
    b. Monolithic
    c. Batch
    d. Static
    Answer: a. Event-drivensanfoundry
33. Which service provides global phone numbers for business cloud communication?
    a. Twilio
    b. Google Drive
    c. Dropbox
    d. Amazon S3
    Answer: a. Twilioplacementpreparation
34. Which cloud communications service is best for scalable customer support chat?
    a. Live chat API
    b. Document storage
    c. File sync service
    d. Batch reporting
    Answer: a. Live chat APIplacementpreparation
35. What makes cloud communication services highly available?
    a. Redundant infrastructure
    b. Manual failover
    c. No backup
    d. One server only
    Answer: a. Redundant infrastructureplacementpreparation
36. What kind of cloud service would support large-scale broadcast messaging?
    a. Notification hub
    b. Tape backup
    c. Data warehouse
    d. Load balancer
    Answer: a. Notification hubplacementpreparation
37. Which protocol is used to manage device presence in cloud communications?
    a. XMPP
    b. SFTP
    c. FTP
    d. POP3
    Answer: a. XMPPplacementpreparation
38. Which service provides programmable voice, SMS, and video capabilities?
    a. CPaaS
    b. CRM
    c. DaaS
    d. CDN
    Answer: a. CPaaSomarqouqas
39. What does a cloud directory service do?
    a. Store and synchronize user credentials
    b. Backup data only
    c. Store documents
    d. Secure legacy servers
    Answer: a. Store and synchronize user credentialsomarqouqas
40. Which protocol often secures cloud voice communications?
    a. SRTP
    b. SNMP
    c. FTP
    d. SMTP
    Answer: a. SRTPsanfoundry
41. Cloud-based presence information is collected via which mechanism?
    a. Presence API
    b. DNS
    c. DHCP
    d. Local files
    Answer: a. Presence APIplacementpreparation
42. Which term describes the merging of voice and data over cloud platforms?
    a. Convergence
    b. Segmentation
    c. Archiving
    d. Fragmentation
    Answer: a. Convergenceplacementpreparation
43. Cloud communication services use what method for scaling up demand?
    a. Auto-scaling
    b. Manual reconfiguration
    c. Hardware swaps
    d. Fixed allocation
    Answer: a. Auto-scalingplacementpreparation
44. Which service enables seamless integration between cloud communication and business apps?
    a. API gateway
    b. Tape backup
    c. Local area network
    d. Data warehouse
    Answer: a. API gatewayplacementpreparation
45. What mechanism protects user accounts in cloud communication services?
    a. Multi-factor authentication
    b. Single sign-on only
    c. Open access
    d. Anonymous login
    Answer: a. Multi-factor authenticationomarqouqas
46. What type of service enables real-time translation in cloud communications?
    a. ML API
    b. Tape backup
    c. Load balancer
    d. Storage array
    Answer: a. ML APIplacementpreparation
47. Which cloud model delivers communications services via subscription?
    a. SaaS
    b. IaaS
    c. CPaaS
    d. PaaS
    Answer: a. SaaSomarqouqas
48. Which cloud messaging service provides pub/sub architecture?
    a. SNS
    b. FTP
    c. SMTP
    d. SNMP
    Answer: a. SNSvinsys
49. What service offers monitoring and reporting for communication flows in the cloud?
    a. Analytics API
    b. Tape storage
    c. VPN gateway
    d. BGP route server
    Answer: a. Analytics APIplacementpreparation
50. What makes communication services in the cloud adaptive to user demand?
    a. Elastic scaling
    b. Static allocation
    c. Manual restart
    d. Fixed bandwidth
    Answer: a. Elastic scalingplacementpreparation

1. https://www.sanfoundry.com/cloud-computing-questions-answers-communicating-cloud-1/
2. https://www.sanfoundry.com/cloud-computing-questions-answers-soa-communications/
3. https://www.placementpreparation.io/mcq/cloud-computing/
4. https://omarqouqas.com/top-50-cloud-computing-quiz-questions-and-answers/
5. https://www.vinsys.com/blog/aws-cloud-practitioner-certification-exam-mcqs
6. https://www.sanfoundry.com/1000-cloud-computing-questions-answers/
7. https://www.interviewbit.com/cloud-computing-mcq/
8. https://www.scribd.com/document/734743230/Cloud-Computing-MCQ-Multi-Choice-Questions-Javatpoint
9. https://www.scribd.com/document/798168434/Cloud-Computing-Multiple-Choice-Questions-accenture
10. https://www.techtarget.com/searchcloudcomputing/quiz/Quiz-Cloud-computing-basics
11. https://interviewkickstart.com/blogs/interview-questions/cloud-computing-mcqs-it-professionals
12. https://www.scribd.com/document/541792862/Cloud-Computing-MCQ-Questions-and-Answers-PDF-Tutorial
13. https://itexamanswers.net/2-3-3-cloud-and-virtualization-quiz-answers.html
14. https://byjus.com/gate/cloud-computing-mcqs/
15. https://examradar.com/fundamentals-of-cloud-computing-and-cloud-services-mcqs/
16. https://study.com/academy/practice/quiz-worksheet-types-of-cloud-computing.html
17. https://testbook.com/objective-questions/mcq-on-cloud-technology–5eea6a0d39140f30f369e30f
18. https://easyexamnotes.com/mcqs-on-service-oriented-architecture-web-services-and-cloud-computing/