Q. NameNode and DataNode do communicate using

  • (A) active pulse
  • (B) heartbeats
  • (C) h-signal
  • (D) data pulse
πŸ’¬ Discuss
βœ… Correct Answer: (B) heartbeats

Q. Which of the following is essential concept related to Cloud?

  • (A) reliability
  • (B) productivity
  • (C) abstraction
  • (D) all of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (C) abstraction

Q. What is SCADA?

  • (A) software
  • (B) process
  • (C) system
  • (D) hardware
πŸ’¬ Discuss
βœ… Correct Answer: (B) process

Q. a technology that offers Internet browsing from wireless devices

  • (A) real-time location system (rtls)
  • (B) wireless wide area network (wwan)
  • (C) wireless local area network (wlan)
  • (D) wireless application protocol (wap)
πŸ’¬ Discuss
βœ… Correct Answer: (D) wireless application protocol (wap)

Q. The percentage of time the system is up and running smoothly is referred as . . . . . . . .

  • (A) system up time
  • (B) system scalability
  • (C) system availability
  • (D) system efficiency
πŸ’¬ Discuss
βœ… Correct Answer: (C) system availability

Q. Which of the following visualization is most commonly achieved through a mapping mechanism where a logical storage address is translated into a physical storage address?

  • (A) storage
  • (B) network
  • (C) software
  • (D) none of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (A) storage

Q. Which of the following uses an authentication device?

  • (A) amazon elastic mapreduce
  • (B) amazon mechanical turk
  • (C) amazon devpay
  • (D) multi-factor authentication
πŸ’¬ Discuss
βœ… Correct Answer: (D) multi-factor authentication

Q. Which of the following is the full form of XMPP?

  • (A) Extension Messaging and Presence Protocol
  • (B) Extensible Messaging and Presence Protocol
  • (C) Extension Messaging and Privacy Protocol
  • (D) Extensible Messaging and Privacy Protocol
πŸ’¬ Discuss
βœ… Correct Answer: (B) Extensible Messaging and Presence Protocol

Q. What is Cloud Foundry?

  • (A) A factory that produces cloud components
  • (B) An industry wide PaaS initiative
  • (C) VMware-led open source PaaS.
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (C) VMware-led open source PaaS.

Q. Which of these is not an antecedent of the cloud?

  • (A) software as a service
  • (B) utility computing
  • (C) grid computing
  • (D) desktop computing
πŸ’¬ Discuss
βœ… Correct Answer: (D) desktop computing