Download Cloudera.CCA-500.SelfTestEngine.2020-01-15.30q.tqb
| Vendor: | Cloudera |
| Exam Code: | CCA-500 |
| Exam Name: | Cloudera Certified Administrator for Apache Hadoop (CCAH) |
| Date: | Jan 15, 2020 |
| File Size: | 319 KB |
Demo Questions
Question 1
You are configuring your cluster to run HDFS and MapReducer v2 (MRv2) on YARN. Which two daemons needs to be installed on your cluster’s master nodes? (Choose two)
- HMaster
- ResourceManager
- TaskManager
- JobTracker
- NameNode
- DataNode
Correct answer: BE
Question 2
You are running a Hadoop cluster with a NameNode on host mynamenode, a secondary NameNode on host mysecondarynamenode and several DataNodes.
Which best describes how you determine when the last checkpoint happened?
- Execute hdfs namenode –report on the command line and look at the Last Checkpoint information
- Execute hdfs dfsadmin –saveNamespace on the command line which returns to you the last checkpoint value in fstime file
- Connect to the web UI of the Secondary NameNode (http://mysecondary:50090/) and look at the “Last Checkpoint” information
- Connect to the web UI of the NameNode (http://mynamenode:50070) and look at the “Last Checkpoint” information
Correct answer: C
Explanation:
Reference: https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-10/hdfs Reference: https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-10/hdfs
Question 3
What does CDH packaging do on install to facilitate Kerberos security setup?
- Automatically configures permissions for log files at & MAPRED_LOG_DIR/userlogs
- Creates users for hdfs and mapreduce to facilitate role assignment
- Creates directories for temp, hdfs, and mapreduce with the correct permissions
- Creates a set of pre-configured Kerberos keytab files and their permissions
- Creates and configures your kdc with default cluster values
Correct answer: B
