Cloudera CCAH CCA-470

Cloudera CCA-470 certification exam has become a very influential exam which can test computer skills.The certification of Cloudera certified engineers can help you to find a better job, so that you can easily become the IT white-collar worker,and get fat salary.

However, how can pass the Cloudera CCA-470 certification exam simple and smoothly? DumpLeader can help you solve this problem at any time.

DumpLeader is a site which providing materials of International IT Certification. DumpLeader can provide you with the best and latest exam resources.The training questions of Cloudera certification provided by DumpLeader are studied by the experienced IT experts who based on past exams. The hit rate of the questions is reached 99.9%, so it can help you pass the exam absolutely. Select DumpLeader, then you can prepare for your Cloudera CCA-470 exam at ease.

In order to facilitate candidates' learning, our IT experts have organized the CCA-470 exam questions and answers into exquisite PDF format. Before your purchase, you can try to download our demo of the CCA-470 exam questions and answers first. You will find that it is almost the same with the real CCA-470 exam. How it can be so precise? It is because that our IT specialists developed the material based on the candidates who have successfully passed the CCA-470 exam. And we are checking that whether the CCA-470 exam material is updated every day.

The CCA-470 study materials of DumpLeader aim at helping the candidates to strengthen their knowledge about CCAH. As long as you earnestly study the CCA-470 certification exam materials which provided by our experts, you can pass the CCAH CCA-470 exam easily. In addition, we are also committed to one year of free updates and a full refund if you failed the exam.

Perhaps many people do not know what the Testing Engine is, in fact, it is a software that simulate the real exams' scenarios. It is installed on the Windows operating system, and running on the Java environment. You can use it any time to test your own CCA-470 simulation test scores. It boosts your confidence for CCA-470 real exam, and will help you remember the CCA-470 real exam's questions and answers that you will take part in.

The CCA-470 VCE Testing Engine developed by DumpLeader is different from the PDF format, but the content is the same. Both can be used as you like. Both of them can help you quickly master the knowledge about the CCAH certification exam, and will help you pass the CCA-470 real exam easily.

CCAH CCA-470 training materials contains the latest real exam questions and answers. It has a very comprehensive coverage of the exam knowledge, and is your best assistant to prepare for the exam. You only need to spend 20 to 30 hours to remember the exam content that we provided.

DumpLeader is the best choice for you, and also is the best protection to pass the Cloudera CCA-470 certification exam.

All the customers who purchased the Cloudera CCA-470 exam questions and answers will get the service of one year of free updates. We will make sure that your material always keep up to date. If the material has been updated, our website system will automatically send a message to inform you. With our exam questions and answers, if you still did not pass the exam, then as long as you provide us with the scan of authorized test centers (Prometric or VUE) transcript, we will full refund after the confirmation. We absolutely guarantee that you will have no losses.

Easy and convenient way to buy: Just two steps to complete your purchase, then we will send the product to your mailbox fast, and you only need to download the e-mail attachments.

Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) Sample Questions:

1. Your Hadoop cluster has 12 slave nodes, a block size set to 64MB, and a replication factor of three.
Choose which best describes how the Hadoop Framework distributes block writes into HDFS from a Reducer outputting a 150MB file?

A) The slave node on which the Reducer runs gets the first copy of every block written. Other block replicas will be placed on other nodes.
B) The Reducer will generate nine blocks and write them randomly to nodes throughout the cluster.
C) The Reducer will generate twelve blocks and write them to slave nodes nearest the node on which the Reducer runs.
D) Reducers don't write blocks into HDFS

2. What would be a reasonable configuration of disk drives in a Hadoop datanode?

A) 48 1.5 TB disk drives in a RAID configuration
B) Four 1TB disk drives in a JBOD configuration
C) 48 1.5TB disk drives in a JBOD configuration
D) One 1TB disk drive
E) Four 1TB disk drives in a RAID configuration

3. Which of the following statements is the most accurate about the choice of operating systems to run on a Hadoop cluster?

A) Linux and Solaris/OpenSolaris are preferable to Windows. Solaris running on SPARC hardware is the preferred Hadoop slave node configuration.
B) The choice of operating system isn't very important for a Hadoop cluster.
C) Linux is preferable to Windows and Solaris/OpenSolaris. Some Linux distributions are intended for cluster environments more than others.
D) Linux is preferable to Windows and Solaris/OpenSolaris, but the choice of Linux distribution is unimportant when planning a Hadoop cluster.

4. You have a cluster running with the Fair Scheduler enabled and configured. You submit multiple jobs to cluster. Each job is assigned to a pool. How are jobs scheduled? (Choose 2)

A) Each pool gets 1/M of the total available task slots, where M is the number of nodes in the cluster
B) Each pool gets 1/N of the total available task slots, where N is the number of jobs running on the cluster.
C) Each pool's share of task slots may change throughout the course of job execution.
D) Pools are assigned priorities. Pools with higher priorities are executed before pools with lower priorities.
E) Pools get a dynamically-allocated share of the available task slots (subject to additional constraints).
F) Each pool's share of task slots remains static within the execution of any individual job.

5. You have cluster running with the FIFO Scheduler enabled. You submit a large job A to the cluster, which you expect to run for one hour. Then, you submit job B to cluster, which you expect to run a couple of minutes only.
You submit both jobs with the same priority.
Which two best describes how the FIFO Scheduler arbitrates the cluster resources for a job and its tasks?

A) The FIFO Scheduler will give, on average, equal share of the cluster resources over the job lifecycle.
B) Because there is more then a single job on the cluster, the FIFO Scheduler will enforce a limit on the percentage of resources allocated to a particular job at any given time.
C) Tasks are scheduled in the order of their jobs' submission.
D) Given Jobs A and B submitted in that order, all tasks from job A are guaranteed to finish before all tasks from job B.
E) The order of execution of tasks within a job may vary.
F) The FIFO Schedule will pass an exception back to the client when Job B is submitted, since all slots on the cluster are in use.

Solutions:

Question # 1 Answer: A

Question # 2 Answer: B

Question # 3 Answer: C

Question # 4 Answer: D,E

Question # 5 Answer: C,D