How does the NodeManager communicate resource availability to the ResourceManager?

By sending emails to the administrator

Through direct TCP connections to the ApplicationMaster

By writing to a shared database

A YARN cluster has ResourceManager HA enabled with an active and standby RM. The active RM fails. What is the expected behavior of the cluster?

The standby RM will take over, and running applications will continue without interruption, but new applications may be queued briefly.

The NodeManagers will elect a new ResourceManager from among themselves.

The cluster will stop accepting new applications until the active RM is manually restarted.

All running applications will be killed, and the client must resubmit them after the standby RM takes over.

A YARN cluster administrator is troubleshooting a performance issue. They notice that the ResourceManager is spending a lot of time processing heartbeats from NodeManagers. What is the primary purpose of the NodeManager heartbeat to the ResourceManager?

To request more memory for the NodeManager from the ResourceManager.

To report the status of the ApplicationMaster to the ResourceManager.

To report the NodeManager's available resources and status, and to receive container assignments.

To send the actual data processed by the containers to the ResourceManager for storage.

Dell Data Science Optimize

Domain 1Objective 3

Yet Another Resource Negotiator (YARN) DATA-SCIENCE-OPTIMIZE Practice Questions (Page 2)

Part of the MapReduce domain, which accounts for 15% of the DATA-SCIENCE-OPTIMIZE exam.

31questions here

7free pages

9concepts

15%of the exam

Questions 6–10

6foundation · easy
Which YARN component is responsible for launching and monitoring containers on a node?
Select an answer first
7foundation · easy
How does the NodeManager communicate resource availability to the ResourceManager?
Select an answer first
8expert · hard
A YARN cluster has ResourceManager HA enabled with an active and standby RM. The active RM fails. What is the expected behavior of the cluster?
Select an answer first
9application · medium
A YARN cluster administrator is troubleshooting a performance issue. They notice that the ResourceManager is spending a lot of time processing heartbeats from NodeManagers. What is the primary purpose of the NodeManager heartbeat to the ResourceManager?
Select an answer first
10foundation · easy
Which YARN component is responsible for accepting application submissions and initiating the ApplicationMaster?
Select an answer first

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Yet Another Resource Negotiator (YARN) DATA-SCIENCE-OPTIMIZE Practice Questions (Page 2)

Questions 6–10

Which YARN component is responsible for launching and monitoring containers on a node?

How does the NodeManager communicate resource availability to the ResourceManager?

A YARN cluster has ResourceManager HA enabled with an active and standby RM. The active RM fails. What is the expected behavior of the cluster?

A YARN cluster administrator is troubleshooting a performance issue. They notice that the ResourceManager is spending a lot of time processing heartbeats from NodeManagers. What is the primary purpose of the NodeManager heartbeat to the ResourceManager?

Which YARN component is responsible for accepting application submissions and initiating the ApplicationMaster?

Keep studying — MapReduce