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Welcome to the ZooKeeper,Sqoop and Cassandra MCQs Page

Dive deep into the fascinating world of ZooKeeper,Sqoop and Cassandra with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of ZooKeeper,Sqoop and Cassandra, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of ZooKeeper,Sqoop and Cassandra, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Hadoop.

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Check out the MCQs below to embark on an enriching journey through ZooKeeper,Sqoop and Cassandra. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Hadoop.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of ZooKeeper,Sqoop and Cassandra. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

ZooKeeper,Sqoop and Cassandra MCQs | Page 1 of 11

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Q1.
ZooKeeper itself is intended to be replicated over a sets of hosts called ____________

a.

chunks

b.

ensemble

c.

subdomains

d.

none of the mentioned

Discuss
Answer: (b).ensemble
Q2.
Which of the guarantee is provided by Zookeeper?

a.

Interactivity

b.

Flexibility

c.

Scalability

d.

Reliability

Discuss
Answer: (d).Reliability
Q3.
ZooKeeper is especially fast in ___________ workloads.

a.

write

b.

read-dominant

c.

read-write

d.

none of the mentioned

Discuss
Answer: (b).read-dominant
Q4.
When a _______ is triggered the client receives a packet saying that the znode has changed.

a.

event

b.

watch

c.

row

d.

value

Discuss
Answer: (b).watch
Q5.
The underlying client-server protocol has changed in version _______ of ZooKeeper.

a.

2.0.0

b.

3.0.0

c.

4.0.0

d.

6.0.0

Discuss
Answer: (b).3.0.0
Q6.
The java package structure has changed from com.yahoo.zookeeper* to ___________

a.

apache.zookeeper

b.

org.apache.zookeeper

c.

org.apache.zookeeper.package

d.

all of the mentioned

Discuss
Answer: (b).org.apache.zookeeper
Q7.
A number of constants used in the client ZooKeeper API were renamed in order to reduce ________ collision.

a.

value

b.

namespace

c.

counter

d.

none of the mentioned

Discuss
Answer: (b).namespace
Q8.
ZooKeeper allows distributed processes to coordinate with each other through registers, known as ___________

a.

znodes

b.

hnodes

c.

vnodes

d.

rnodes

Discuss
Answer: (a).znodes
Q9.
Zookeeper essentially mirrors the _______ functionality exposed in the Linux kernel.

a.

iread

b.

inotify

c.

iwrite

d.

icount

Discuss
Answer: (b).inotify
Q10.
A ___________ server is a machine that keeps a copy of the state of the entire system and persists this information in local log files.

a.

Master

b.

Region

c.

Zookeeper

d.

All of the mentioned

Discuss
Answer: (c).Zookeeper
Page 1 of 11

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