Security in Hadoop MCQ question and answer with solution

1

What is the primary purpose of Hadoop's Kerberos authentication?

A) Ensuring secure communication within the Hadoop cluster B) Enabling data compression in HDFS C) Optimizing job performance in MapReduce D) Managing resource allocation in Hadoop

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Answer & Solution

Answer: Option A

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2

Which Hadoop component is responsible for managing user authentication and access control?

A) Hadoop Security Manager B) ResourceManager C) JobTracker D) Hadoop Distributed File System (HDFS)

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Answer: Option D

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3

What is the significance of Hadoop's Access Control Lists (ACLs) in terms of security?

A) Enabling parallel processing in MapReduce B) Optimizing data storage in HDFS C) Restricting access to specific Hadoop resources D) Improving network security in Hadoop

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Answer: Option C

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4

How does Hadoop support encryption at rest for data stored in HDFS?

A) Implementing SSL/TLS encryption for data transit B) Configuring transparent data encryption (TDE) C) Using IPsec for secure communication D) None of the above

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Answer & Solution

Answer: Option B

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5

What is the purpose of Hadoop's Secure Shell (SSH) in a secure Hadoop environment?

A) Enabling cross-cluster communication B) Optimizing resource allocation in MapReduce C) Authenticating users accessing the Hadoop cluster D) Managing data replication in HDFS

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Answer & Solution

Answer: Option C

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6

How can you secure data transmission between nodes in a Hadoop cluster?

A) Using a public Wi-Fi network for communication B) Disabling firewall settings on all nodes C) Running Hadoop in an open network mode D) Enabling SSL/TLS encryption for Hadoop services

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Answer & Solution

Answer: Option D

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7

What is the purpose of Hadoop's HDFS Encryption Zone?

A) Encrypting specific directories in HDFS B) Optimizing data replication in HDFS C) Enabling compression for stored data in HDFS D) Configuring access control for HDFS files

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Answer & Solution

Answer: Option A

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8

Which Hadoop configuration property is used to define the location of the Kerberos keytab file?

A) mapred.security.kerberos.keytab B) dfs.encryption.kerberos.keytab C) hadoop.security.kerberos.keytab D) security.kerberos.keytab

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Answer & Solution

Answer: Option D

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9

How can you configure Hadoop to use LDAP for user authentication?

A) Configure the LDAP server as the Hadoop ResourceManager B) Use the "dfs.namenode.ldap.bind.password" property C) Set the property "hadoop.security.authentication" to "LDAP" D) Enable "ldap.authentication.provider.url"

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Answer & Solution

Answer: Option C

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10

What is the purpose of Hadoop's Ranger in the context of security?

A) Enabling transparent data encryption (TDE) B) Managing and enforcing security policies in Hadoop C) Configuring Hadoop's firewall rules D) None of the above

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Answer & Solution

Answer: Option B

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Security in Hadoop MCQ question and answer with solution | Hadoop MCQs