adplus-dvertising
frame-decoration

Question

_________ method clears all keys from the configuration.

a.

clear

b.

addResource

c.

getClass

d.

none of the mentioned

Posted under Hadoop

Answer: (a).clear

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. _________ method clears all keys from the configuration.

Similar Questions

Discover Related MCQs

Q. ________ method adds the deprecated key to the global deprecation map.

Q. ________ checks whether the given key is deprecated.

Q. _________ is useful for iterating the properties when all deprecated properties for currently set properties need to be present.

Q. Which of the following adds a configuration resource?

Q. For running hadoop service daemons in Hadoop in secure mode ___________ principals are required.

Q. The simplest way to do authentication is using _________ command of Kerberos.

Q. Data transfer between Web-console and clients are protected by using _________

Q. In order to turn on RPC authentication in hadoop, set the value of hadoop.security.authentication property to _________

Q. The __________ provides a proxy between the web applications exported by an application and an end user.

Q. ___________ used by YARN framework which defines how any container launched and controlled.

Q. The ____________ requires that paths including and leading up to the directories specified in yarn.nodemanager.local-dirs.

Q. The configuration file must be owned by the user running _________

Q. __________ storage is a solution to decouple growing storage capacity from compute capacity.

Q. ___________ is added for supporting writing single replica files in memory.

Q. Which of the following has high storage density?

Q. Which of the following storage policy is used for both storage and compute?

Q. Which of the following is only for storage with limited compute?

Q. When a block is warm, some of its replicas are stored in DISK and the remaining replicas are stored in _________

Q. ____________ is used for storing one of the replicas in SSD.

Q. ___________ is used for writing blocks with single replica in memory.