Hadoop MCQs with answers Page - 3

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📊 Hadoop
Q. . . . . . . . . is the architectural center of Hadoop that allows multiple data processing engines.
  • (A) YARN
  • (B) Hive
  • (C) Incubator
  • (D) Chuckwa
💬 Discuss
✅ Correct Answer: (A) YARN
📊 Hadoop
Q. Point out the wrong statement.
  • (A) From the system perspective, the ApplicationMaster runs as a normal container
  • (B) The ResourceManager is the per-machine slave, which is responsible for launching the applications' containers
  • (C) The NodeManager is the per-machine slave, which is responsible for launching the applications' containers, monitoring their resource usage
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (B) The ResourceManager is the per-machine slave, which is responsible for launching the applications' containers
📊 Hadoop
Q. Which of the following storage policy is used for both storage and compute?
  • (A) Hot
  • (B) Cold
  • (C) Warm
  • (D) All_SSD
💬 Discuss
✅ Correct Answer: (A) Hot
📊 Hadoop
Q. Which of the following is the default output format?
  • (A) TextFormat
  • (B) TextOutput
  • (C) TextOutputFormat
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (C) TextOutputFormat
📊 Hadoop
Q. Point out the correct statement.
  • (A) Hadoop does have the definition of group by itself
  • (B) MapReduce JobHistory server run as same user such as mapred
  • (C) SSO environment is managed using Kerberos with LDAP for Hadoop in secure mode
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (C) SSO environment is managed using Kerberos with LDAP for Hadoop in secure mode
📊 Hadoop
Q. Which of the following has high storage density?
  • (A) ROM_DISK
  • (B) ARCHIVE
  • (C) RAM_DISK
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (B) ARCHIVE
📊 Hadoop
Q. Point out the wrong statement.
  • (A) The multiple of the queue capacity which can be configured to allow a single user to acquire more resources
  • (B) Changing queue properties and adding new queues is very simple
  • (C) Queues cannot be deleted, only addition of new queues is supported
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (D) None of the mentioned
📊 Hadoop
Q. Point out the wrong statement.
  • (A) getInstance() creates a new Job with particular cluster
  • (B) getInstance(Configuration conf) creates a new Job with no particular Cluster and a given Configuration
  • (C) getInstance(JobStatus status, Configuration conf) creates a new Job with no particular Cluster and given Configuration and JobStatus
  • (D) all of the mentioned
💬 Discuss
✅ Correct Answer: (A) getInstance() creates a new Job with particular cluster
📊 Hadoop
Q. Apache Hadoop YARN stands for . . . . . . . .
  • (A) Yet Another Reserve Negotiator
  • (B) Yet Another Resource Network
  • (C) Yet Another Resource Negotiator
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (C) Yet Another Resource Negotiator
📊 Hadoop
Q. Point out the correct statement.
  • (A) With TextInputFormat and KeyValueTextInputFormat, each mapper receives a variable number of lines of input
  • (B) StreamXmlRecordReader, the page elements can be interpreted as records for processing by a mapper
  • (C) The number depends on the size of the split and the length of the lines.
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (D) All of the mentioned

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