Actual questions ensure 100% passing

Before purchase our CCAH CCA-470 exam dumps, many customers often consult us through the online chat, then we usually hear that they complain the dumps bought from other vendors about invalid exam questions and even wrong answers. We feel sympathy for that. Actually, the validity and reliability are very important for the exam dumps. After all, the examination fees are very expensive, and all the IT candidates want to pass the exam at the fist attempt. So, whether the questions is valid or not becomes the main factor for IT candidates to choose the exam dumps. Cloudera CCA-470 practice exam torrent is the most useful study material for your preparation. The validity and reliability are without any doubt. Each questions & answers of CCA-470 Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) latest exam dumps are compiled with strict standards. Besides, the answers are made and edited by several data analysis & checking, which can ensure the accuracy. Some questions are selected from the previous actual test, and some are compiled according to the latest IT technology, which is authoritative for the real exam test. What's more, we check the update every day to keep the dumps shown front of you the latest and newest.

I want to say that the CCA-470 actual questions & answers can ensure you 100% pass.

CCA-470 exam free demo is available for every one

Free demo has become the most important reference for the IT candidates to choose the complete exam dumps. Usually, they download the free demo and try, then they can estimate the real value of the exam dumps after trying, which will determine to buy or not. Actually, I think it is a good way, because the most basic trust may come from your subjective assessment. Here, Cloudera CCA-470 exam free demo may give you some help. When you scan the CCA-470 exam dumps, you will find there are free demo for you to download. Our site offer you the CCA-470 exam pdf demo, you can scan the questions & answers together with the detail explanation. Besides, the demo for the vce test engine is the screenshot format which allows you to scan. If you want to experience the simulate test, you should buy the complete dumps. I think it is very worthy of choosing our CCA-470 actual exam dumps.

Cloudera CCA-470 braindumps Instant Download: Our system will send you the CCA-470 braindumps file you purchase in mailbox in a minute after payment. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)

As a layman, people just envy and adore the high salary and profitable return of the IT practitioner, but do not see the endeavor and suffering. But as the IT candidates, when talking about the CCA-470 certification, you may feel anxiety and nervous. You may be working hard day and night because the test is so near and you want to get a good result. Someone maybe feel sad and depressed for the twice failure. Not getting passed maybe the worst nightmare for all the IT candidates. Now, I think it is time to drag you out of the confusion and misery. Here, I will recommend the CCAH CCA-470 actual exam dumps for every IT candidates. With the help of the CCA-470 exam study guide, you may clear about the knowledge and get succeeded in the finally exam test.

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

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

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

2. How does the NameNode know DataNodes are available on a cluster running MapReduce v1 (MRv1)

A) DataNodes heartbeat in the master on a regular basis.
B) The NameNode send a broadcast across the network when it first starts, and DataNodes respond.
C) DataNodes listed in the dfs.hosts file. The NameNode uses as the definitive list of available DataNodes.
D) The NameNode broadcasts a heartbeat on the network on a regular basis, and DataNodes respond.

3. You have a 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 the cluster, which you expect to run a couple of minutes only. Let's assume both jobs are running at the same priority.
How does the FIFO scheduler execute the jobs? (Choose 3)

A) Given jobs A and B submitted in that order, all tasks from job A will be scheduled before all tasks from job B.
B) The order of execution of tasks within a job may vary.
C) When a job is submitted, all tasks belonging to that job are scheduled.
D) Since job B needs only a few tasks, if might finish before job A completes.

4. Someone in your data center unplugs a slave node by accident. Users of the cluster notice via the Hadoop Web UI that the cluster size has shrunken and express concerns about data loss and HDFS performance. The replication factor of all the files in the cluster is unchanged from the default of 3. What can you tell the users?

A) The HDFS filesystem is corrupt until the administrator re adds the DataNode to the cluster. The warnings associated with the event should be reported.
B) The NameNode will re replicate the data after the administrator issues a special command. The data is not lost but is underreplicated until the administrator issues this command.
C) After identifying the outage, the NameNode will naturally re-replicate the data and there will be no data loss. The administrator can re-add the DataNode at any time. The client can disregard warnings concerned with this event. Data will be under-replicated but will become properly replicated over time.
D) The NameNode will identify the outage and re-replicate the data when the clients receive connection failures to the DataNode, so the end users can disregard such warnings.

5. Which two features does Kerberos security add to a Hadoop cluster?

A) Authentication for user access to the cluster against a central server
B) Encryption on all remote procedure calls (RPCs)
C) User authentication on all remote procedure calls (RPcs)
D) Root access to the cluster for users hdfs and mapred but non-root acess clients
E) Encryption for data on disk ("at rest")

Solutions: