You know, if I had a standby NameNode, I'd make sure it had a cool name, like 'Backup Brain' or 'Dual Data Dynamo'. Gotta keep things exciting in the world of big data, right?
Wait, there's a standby NameNode? I thought it was just the main NameNode. Is this some kind of superhero duo situation? I'll have to remember that for the exam.
Aha! I know this one. It's definitely option C. The standby NameNode is there to help the master NameNode do its job more efficiently. It's like a trusty sidekick, but for big data systems.
Option D sounds like it might be the right answer. Deploying the standby NameNode to the same node as the master NameNode seems like a logical setup. Although, I do wonder if that's the most reliable approach.
Hmm, I think option C is the correct answer. The standby NameNode helps the master NameNode by merging the edit log and reducing the startup time. Sounds like a pretty important role to me.
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