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Vendor: Cloudera
Exam Code: CCA-500
Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH)
Certification: Cloudera Certifications
Total Questions: 60 Q&A
Updated on: Jan 22, 2025
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You want to understand more about how users browse your public website. For example, you want to know which pages they visit prior to placing an order. You have a server farm of 200 web servers hosting your website. Which is the most efficient process to gather these web server across logs into your Hadoop cluster analysis?
A. Sample the web server logs web servers and copy them into HDFS using curl
B. Ingest the server web logs into HDFS using Flume
C. Channel these clickstreams into Hadoop using Hadoop Streaming
D. Import all user clicks from your OLTP databases into Hadoop using Sqoop
E. Write a MapReeeduce job with the web servers for mappers and the Hadoop cluster nodes for reducers
You are configuring a server running HDFS, MapReduce version 2 (MRv2) on YARN running Linux. How must you format underlying file system of each DataNode?
A. They must be formatted as HDFS
B. They must be formatted as either ext3 or ext4
C. They may be formatted in any Linux file system
D. They must not be formatted - - HDFS will format the file system automatically
Which two are features of Hadoop's rack topology? (Choose two)
A. Configuration of rack awareness is accomplished using a configuration file. You cannot use a rack topology script.
B. Hadoop gives preference to intra-rack data transfer in order to conserve bandwidth
C. Rack location is considered in the HDFS block placement policy
D. HDFS is rack aware but MapReduce daemon are not
E. Even for small clusters on a single rack, configuring rack awareness will improve performance
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