2013年6月14日星期五

The Best Cloudera CCA-470 exam practice questions and answers

Are you still upset about how to pass Cloudera certification CCA-470 exam? Are you still waiting for the latest information about Cloudera certification CCA-470 exam? IT-Tests.com has come up with the latest training material about Cloudera certification CCA-470 exam. Do you want to pass Cloudera certification CCA-470 exam easily? Please add IT-Tests's Cloudera certification CCA-470 exam practice questions and answers to your cart now! IT-Tests.com has provided part of Cloudera certification CCA-470 exam practice questions and answers for you on www.IT-Tests.com and you can free download as a try. I believe you will be very satisfied with our products. With our products you can easily pass the exam. We promise that if you have used IT-Tests's latest Cloudera certification CCA-470 exam practice questions and answers exam but fail to pass the exam, IT-Tests.com will give you a full refund.


Never say you can not do it. This is my advice to everyone. Even if you think that you can not pass the demanding Cloudera CCA-470 exam. You can find a quick and convenient training tool to help you. IT-Tests.com's Cloudera CCA-470 exam training materials is a very good training materials. It can help you to pass the exam successfully. And its price is very reasonable, you will benefit from it. So do not say you can't. If you do not give up, the next second is hope. Quickly grab your hope, itis in the IT-Tests.com's Cloudera CCA-470 exam training materials.


IT-Tests's Cloudera certification CCA-470 exam testing exercises is very similar with real exam questions. If you choose IT-Tests's testing practice questions and answers, we will provide you with a year of free online update service. IT-Tests.com can 100% guarantee you to pass the exam, if you fail to pass the exam, we will full refund to you.


Whole IT-Tests's pertinence exercises about Cloudera certification CCA-470 exam is very popular. IT-Tests's training materials can not only let you obtain IT expertise knowledge and a lot of related experience, but also make you be well prepared for the exam. Although Cloudera certification CCA-470 exam is difficult, through doing IT-Tests's exercises you will be very confident for the exam. Be assured to choose IT-Tests.com efficient exercises right now, and you will do a full preparation for Cloudera certification CCA-470 exam.


Exam Code: CCA-470

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

To pass the Cloudera CCA-470 exam is a dream who are engaged in IT industry. If you want to change the dream into reality, you only need to choose the professional training. IT-Tests.com is a professional website that providing IT certification training materials. Select IT-Tests.com, it will ensure your success. No matter how high your pursuit of the goal, IT-Tests.com will make your dreams become a reality.


IT-Tests.com Cloudera CCA-470 exam questions are compiled according to the latest syllabus and the actual CCA-470 certification exam. We are also constantly upgrade our training materials so that you could get the best and the latest information for the first time. When you buy our CCA-470 exam training materials, you will get a year of free updates. At any time, you can extend the the update subscription time, so that you can have a longer time to prepare for the exam.


Now Cloudera CCA-470 is a hot certification exam in the IT industry, and a lot of IT professionals all want to get Cloudera CCA-470 certification. So Cloudera certification CCA-470 exam is also a very popular IT certification exam. Cloudera CCA-470 certificate is very helpful to your work in the IT industry, which can help promote your position and salary a lot and let your life have more security.


CCA-470 (Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)) Free Demo Download: http://www.it-tests.com/CCA-470.html


NO.1 How does the NameNode know DataNodes are available on a cluster running MapReduce v1
(MRv1)
A. DataNodes listed in the dfs.hosts file. The NameNode uses as the definitive list of available
DataNodes.
B. DataNodes heartbeat in the master on a regular basis.
C. The NameNode broadcasts a heartbeat on the network on a regular basis, and DataNodes
respond.
D. The NameNode send a broadcast across the network when it first starts, and DataNodes
respond.
Answer: B

Cloudera test questions   CCA-470 exam   CCA-470 dumps   CCA-470 test answers   CCA-470 practice test

NO.2 Identify the function performed by the Secondary NameNode daemon on a cluster configured
to
run with a single NameNode.
A. In this configuration, the Secondary NameNode performs a checkpoint operation on the files by
the NameNode.
B. In this configuration, the Secondary NameNode is standby NameNode, ready to failover and
provide high availability.
C. In this configuration, the Secondary NameNode performs deal-time backups of the NameNode.
D. In this configuration, the Secondary NameNode servers as alternate data channel for clients to
reach HDFS, should the NameNode become too busy.
Answer: A

Cloudera   CCA-470 test   CCA-470 braindump   CCA-470   CCA-470 questions   CCA-470 questions

NO.3 Compare the hardware requirements of the NameNode with that of the DataNodes in a
Hadoop
cluster running MapReduce v1 (MRv1):
A. The NameNode requires more memory and requires greater disk capacity than the DataNodes.
B. The NameNode and DataNodes should the same hardware configuration.
C. The NameNode requires more memory and no disk drives.
D. The NameNode requires more memory but less disk capacity.
E. The NameNode requires less memory and less disk capacity than the DataNodes.
Answer: D

Cloudera questions   CCA-470   CCA-470   CCA-470

NO.4 What does CDH packaging do on install to facilitate Kerberos security setup?
A. Automatically configure permissions for log files at $MAPPED_LOG_DIR/userlogs
B. Creates and configures you kdc with default cluster values.
C. Creates users for hdfs and mapreduce to facilitate role assignment.
D. Creates a set of pre-configured Kerberos keytab files and their permissions.
E. Creates directories for temp, hdfs, and mapreduce with correct permissions.
Answer: C

Cloudera pdf   CCA-470   CCA-470   CCA-470 demo

NO.5 The failure of which daemon makes HDFS unavailable on a cluster running MapReduce v1
(MRv1)?
A. Node Manager
B. Application Manager
C. Resource Manager
D. Secondary NameNode
E. NameNode
F. DataNode
Answer: E

Cloudera   CCA-470   CCA-470 test   CCA-470 exam prep

NO.6 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. The order of execution of tasks within a job may vary.
B. When a job is submitted, all tasks belonging to that job are scheduled.
C. Given jobs A and B submitted in that order, all tasks from job A will be scheduled before all
tasks from job B.
D. Since job B needs only a few tasks, if might finish before job A completes.
Answer: A,B,C

Cloudera exam simulations   CCA-470 exam simulations   CCA-470   CCA-470   CCA-470 test   CCA-470 test answers

NO.7 In HDFS, you view a file with rw-r--r-- set as its permissions. What does this tell you about the
file?
A. The file cannot be deleted by anyone but the owner
B. The file cannot be deleted by anyone
C. The file cannot be run as a MapReduce job
D. The file’s contents can be modified by the owner, but no-one else
E. As a Filesystem in Userspace (FUSE), HDFS files are available to all user’s on a cluster
regardless of their underlying POSIX permissions.
Answer: A

Cloudera   CCA-470   CCA-470   CCA-470

NO.8 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 for data on disk ("at rest")
C. Encryption on all remote procedure calls (RPCs)
D. User authentication on all remote procedure calls (RPcs)
E. Root access to the cluster for users hdfs and mapred but non-root acess clients
Answer: C,D

Cloudera   CCA-470   CCA-470 certification
10. Which three processes does HDFS High Availability (HA) enable on your cluster?
A. Automatically 'fail over' between NameNodes if one goes down
B. Write data to two clusterssimultaneously
C. Shut one NameNode down for maintenance without halting the cluster
D. Manually 'fail over' between NameNodes
E. Configure unlimited hot standby NameNode.
Answer: A,C,D

Cloudera pdf   CCA-470 exam prep   CCA-470 answers real questions

NO.9 A client wants to read a file from HDFS. How does the data get from the DataNodes to the
client?
A. The NameNode reads the blocks from the DataNodes, and caches them. Then, the application
reads the blocks from the NameNode.
B. The application reads the blocks directly from the DataNodes.
C. The blocks are sent to a single DataNode, then the application reads the blocks from that Data
Node.
Answer: B

Cloudera test answers   CCA-470 braindump   CCA-470   CCA-470 test

To help you prepare for CCA-470 examination certification, we provide you with a sound knowledge and experience. The questions designed by IT-Tests.com can help you easily pass the exam. The IT-Tests.com Cloudera CCA-470 practice including CCA-470 exam questions and answers, CCA-470 test, CCA-470 books, CCA-470 study guide.


没有评论:

发表评论