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Apache Zookeeper Online Test

Topics Covered

  • Configuring ZooKeeper ensemble
  •  Multimode configuration
  •  ZooKeeper operations
  •  Monitoring ZooKeeper service
  •   Deploying Zookeeper

Useful for hiring

  • Apache Zookeeper Administrator
  • Apache Zookeeper Admin
  • Apache Zookeeper DBA

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Two-phase commit (2PC) protocol is a distributed algorithm that is used in zookeeper to coordinate all the processes that participate in a distributed transaction. Analyze the given statements regarding the 2PC protocol and select the correct option?

Statement A: 2PC protocol consists of three phases and in the first phase, coordinator nodes aks all the participating processes to prepare and vote to either commit or abort the transaction.
Statement B: If all participants voted for commit, it commits the transaction; otherwise, it aborts it. It finally notifies the result to all the participants.

    • Only Statement A is correct

    • Only Statement B is correct

    • Both the statements are correct

    • Both the statements are false


You are monitoring the Zookeeper service through the command port by using the four letter commands provided by Zookeeper. Which of the following commands will you use if you want the list of all outstanding sessions and ephemeral nodes?

    • wchp

    • stat

    • cons

    • dump

    • mntr


You are deploying Zookeeper in a cluster. During the process, you must ensure that each machine in the ensemble must know about every other machine in the ensemble. Which of the following series of lines should you use to accomplish the required criteria?






Test details:

The online Apache ZooKeeper online test enables employers and recruiters to identify potential prospects by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.
The online Apache ZooKeeper test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blank, Descriptive, Whiteboard Questions, Audio / Video Questions, True or False.
Test Duration: 20 minutes

10 Application Questions

Test description:

Apache ZooKeeper is a software project of a distributed coordination service to manage a large set of hosts. Coordinating and managing a service in a distributed environment is a complicated process. Apache ZooKeeper solves this complex issue with its simple architecture and API. ZooKeeper also allows developers to focus on core application logic without worrying about the distributed nature of the application. It plays a role to provide operational services for a Hadoop cluster. 
Our Apache ZooKeeper online test is created & validated by experienced subject matter experts (SMEs) to assess Apache ZooKeeper skills of candidates as per industry standards. Online Apache ZooKeeper test helps recruiters and hiring managers to evaluate the expertise of candidates in the field of Apache ZooKeeper. 
The Apache ZooKeeper assessment test helps to screen the candidates who possess traits as follows:

  • Experience in Apache Zookeeper software.

  • Knowledge of clusters, nodes, ZNodes in Zookeeper.

  • Knowledge of interaction with the distributed applications.

  • Experience in interaction with Server applications and Client applications. 

Our Apache ZooKeeper skills test reports will give a detailed analysis of each candidate and will provide the analytical data which helps you to hire better and faster. To know about the candidate experience, we have introduced the new feature called candidate feedback module in our Apache ZooKeeper pre-employment test so that it will ensure you that the candidates are getting an excellent experience while attempting the test. 

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