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