Cloudera CCA-470 questions and answers

IT-Tests's training product for Cloudera certification CCA-470 exam includes simulation test and the current examination. On Internet you can also see a few websites to provide you the relevant training, but after compare them with us, you will find that IT-Tests's training about Cloudera certification CCA-470 exam not only have more pertinence for the exam and higher quality, but also more comprehensive content.

IT-Tests.com have a huge senior IT expert team. They use their professional IT knowledge and rich experience to develop a wide range of different training plans which can help you pass Cloudera certification CCA-470 exam successfully. In IT-Tests.com you can always find out the most suitable training way for you to pass the exam easily. No matter you choose which kind of the training method, IT-Tests.com will provide you a free one-year update service. IT-Tests's information resources are very wide and also very accurate. When selecting IT-Tests, passing Cloudera certification CCA-470 exam is much more simple for you.

Exam Code: CCA-470
Exam Name: Cloudera Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) CCA-470
Free One year updates to match real exam scenarios, 100% pass and refund Warranty.
Updated: 2013-08-25

In order to protect the vital interests of each IT certification exams candidate, IT-Tests.com provides high-quality Cloudera CCA-470 exam training materials. This exam material is specially developed according to the needs of the candidates. It is researched by the IT experts of IT-Tests.com. Their struggle is not just to help you pass the exam, but also in order to let you have a better tomorrow.

IT-Tests.com's Cloudera CCA-470 exam training materials allows candidates to learn in the case of mock examinations. You can control the kinds of questions and some of the problems and the time of each test. In the site of IT-Tests.com, you can prepare for the exam without stress and anxiety. At the same time, you also can avoid some common mistakes. So you will gain confidence and be able to repeat your experience in the actual test to help you to pass the exam successfully.

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 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 exam prep   CCA-470   CCA-470

NO.2 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 test answers   CCA-470 pdf   CCA-470 practice test   CCA-470 exam dumps

NO.3 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   CCA-470   CCA-470

NO.4 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 practice test   CCA-470 demo   CCA-470   CCA-470   CCA-470

NO.5 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 exam simulations   CCA-470   CCA-470   CCA-470 test questions   CCA-470 demo

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 dumps   CCA-470   CCA-470 study guide   CCA-470 pdf   CCA-470

NO.7 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 test answers   CCA-470 dumps   CCA-470   CCA-470   CCA-470 exam dumps

NO.8 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   CCA-470

NO.9 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 practice test   CCA-470 answers real questions   CCA-470 questions   CCA-470 dumps
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 certification   CCA-470 dumps   CCA-470 braindump   CCA-470   CCA-470

If you buy the IT-Tests's products, we will not only spare no effort to help you pass the certification exam, but also provide a free update and upgrade service. If the official change the outline of the certification exam, we will notify customers immediately. If we have any updated version of test software, it will be immediately pushed to customers. IT-Tests.com can promise to help you succeed to pass your first Cloudera certification CCA-470 exam.