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DC/OS MCQs Solution | TCS Fresco Play | Fresco Play | TCS

DC/OS MCQs Solution | TCS Fresco Play | Fresco Play | TCS


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DC/OS MCQs Solution | TCS Fresco Play | Fresco Play
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1. DC/OS is a distributed data center operating system based on - 

Apache Mesos 

2. DC/OS interface is used for remote management and monitoring of - 

clusters and services 

3. Mesos is a proprietary software distributed systems kernel at the heart of DC/OS - 

false 

4. What is the interface that is used to manage services and clusters in DC/OS? - 

both 

5. DC/OS by itself is a __ 

All 

6. Similar to Linux OS, DC/OS has both system space (aka kernel space) and user space - 

true 

7. ___ accept resource offers and allocate their resources to specific tasks - 

schedulers 

8. Cluster management by DC/OS is primarily done by _ 

Apache Mesos 

9. A cluster with one master node is used for _ 

development 

10. What are the DC/OS networks? - 

Infrastructure and Virtual Network 

11. ____ is the built-in task scheduler for DC/OS -

Marathon 

12. ____is the component that provides job functionality for DC/OS - 

Metronome 

13. What is the DC/OS node, in which the user tasks are run? - 

agent node 

14. __________ Package Repository connects to a library of open source industry-standard schedulers, services, and applications - 

Mesosphere Universe 

15. What is the DC/OS Command to display the list of config properties? - 

dcos config show 

16. What is the DC/OS command to list the marathon app? -  

dcos marathon app list 

17. What is the DC/OS command to print the version information? - 

both 

18. What is the DC/OS command to validate the config file? - 

dcos config validate 

19. What is the DC/OS command to log in to DC/OS authentication? - 

dcos auth login 

20. What is the DC/OS Command to set config properties mesos_master_url? - 

dcos config set core.mesos_master_url 52.34.160.132:5050 

21. What is the DC/OS Command to search a package 'jenkins'? - 

 dcos package search jenkins 

22. Marathon supports a high availability mode of operation using ___

Zookeeper 

23. Marthon LB is a _ 

north south load balancer 

24. _ displays a comprehensive view of all of the services that you are running - 

service tab 

25. A Mesos executor is a method by which Mesos agents launch tasks -

true 

26. ___ provides service discovery within DC/OS clusters - 

Mesos-DNS 

27. Minuteman is a ____ 

east west load balancer 

28. DC/OS does not support Container Networking Interface (CNI) - 

false 

29. _ is used to set up an HTTP proxy in front of the DC/OS Admin Router - 

HAProxy 

30. DC/OS does not provide metrics for _ Mesos 

31. Which is an incorrect way to retrieve the logs in DC/OS? - - 

none 

32.__is the home page of the DC/OS web interface and provides an overview of your DC/OS cluster -

Dashboard Panel 

33. DC/OS web interface includes link CLI installation - 

true 

34. Minuteman is a - 

east west load balanacer 

35. ZooKeeper is a high performance coordination service to manage DC/OS - 

False 

36. Which is a valid way to install DC/OS Web interface? - 

Not DC /OS

37. To access the logs of the agent node, we need __mesos id 

38. Which is an incorrect way to retrieve the logs in DC/OS? - none 

39. DC/OS Web interface provides _________ tab to manage user access. 

Organisation Tab 

40. DC/OS repositories can be managed from ____User Access TAB____ tab in DC/OS Web interface 

41. Which is not a valid storage option for DC/OS - External Persistent Volumes /mOUNT dISK - wrong  

Local Persistent

42. What is the DC/OS Command to search a package 'cassandra'? - None- wrong ( but google this is none only)

describe / show

43. Which is not a valid node in DC/OS? 

Master Node 


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