You want to ensure all Hadoop data transfers are encrypted and secure. Which combination is best practice?

hard📝 Application Q15 of 15

Hadoop - Security

AOnly configure SSL certificates without enabling encryption property

BSet <code>dfs.encrypt.data.transfer</code> to true and configure SSL certificates and keys

CSet <code>dfs.encrypt.data.transfer</code> to false and use firewall rules

DUse compression settings to secure data transfer

Step-by-Step Solution

Solution:

Step 1: Identify required settings for encryption
Enabling dfs.encrypt.data.transfer activates wire encryption in Hadoop.
Step 2: Recognize the role of SSL certificates and keys
SSL certificates and keys are needed to manage encryption securely and authenticate nodes.
Step 3: Combine both for full encryption
Only setting the property without SSL or vice versa is incomplete; both are needed for secure transfer.
Final Answer:
Set dfs.encrypt.data.transfer to true and configure SSL certificates and keys -> Option B
Quick Check:
Property true + SSL certs = secure transfer [OK]

Quick Trick: Enable property AND configure SSL for full encryption [OK]

Common Mistakes:

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