Hortonworks HCAHD Apache-Hadoop-Developer

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Hortonworks Apache-Hadoop-Developer Exam Overview:

Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

Apache-Hadoop-Developer Exam FAQ: What You Need to Know Before You Book

How many questions are on the Apache-Hadoop-Developer exam, and how long do I have?

The Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer exam includes 8–12 performance-based tasks / approx. 110 multiple-choice questions and gives you 120 minutes to finish. That works out to a tight per-question pace, so flagging a hard item and moving on is usually smarter than getting stuck. Before test day, sit at least one full timed session with the Dumpleader test engine — practicing under the clock is the fastest way to build the rhythm the real Apache-Hadoop-Developer exam demands.

What is the Apache-Hadoop-Developer certification exam all about?

The Apache-Hadoop-Developer exam is the official Hortonworks exam that leads to the HDP Certified Developer (HDPCD) certification, positioned at the Professional / Intermediate level. It validates the skills employers expect from certified professionals, and passing it is a concrete step forward in an IT career. It is also connected with other credentials in the same track, including Hortonworks Certified Associate (HCA), HDP Certified Administrator (HDPCA).

Can I try the Apache-Hadoop-Developer practice questions before I buy?

Yes. Dumpleader offers a free PDF demo of the Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer material, so you can check the question style and answer quality before paying. After purchase, your product includes 365 days of free updates; once that period expires, you can extend the update service at a 50% discount from your member zone.

What score do I need to pass the Apache-Hadoop-Developer exam, and what does it cost?

The passing score for the Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer exam is 70%, and the official registration fee is $250 USD. Keep in mind that a failed attempt means paying the full fee again to retake it. A sensible approach is to test yourself first with Dumpleader practice questions and only book your seat once your mock scores sit comfortably above 70%.

What topics are covered in the Apache-Hadoop-Developer exam?

The Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer exam is organized into 4 domains. The main ones include Apache Hive Development (25%); Hadoop Fundamentals & Architecture (20%); Data Ingestion (25%). Weightings tell you where to spend most of your study time, and the full topic breakdown is listed in the exam outline section above on this page.

How do I register for the Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer exam?

You can book the Apache-Hadoop-Developer exam through the official registration channels below:

• Hortonworks Certification Portal

The exam is delivered as Online proctored exam on a remote HDP 2.2 / 2.4 cluster, so pick the option that fits your schedule when booking.

What happens if I fail the Apache-Hadoop-Developer exam, and how is my purchase delivered?

If you take the Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer exam within 60 days of your purchase and do not pass, you can apply for a full refund under the Dumpleader refund policy. The claim requires a scanned enrollment slip and your official Score Report in PDF, submitted within 2 days after the exam; claims are processed within 7 days. Note that the guarantee applies only to the corresponding exam — attempts taken within 3 days of purchase, downloaded-but-never-taken exams, free materials, and expired orders are not covered, and the candidate name must match the payer name. Prefer new material instead of a refund? You can swap for two free exam products of equal value and keep the update service on your original purchase. As for delivery, everything is instant: the download link reaches your mailbox within one minute of payment (contact support if nothing arrives within 2 hours), and there is no limit on how many computers you can install it on.

Are there any prerequisites for the Apache-Hadoop-Developer exam?

Recommended: 6+ months hands-on experience with HDP, Pig, Hive, Sqoop, Flume; no mandatory prerequisites Requirements like these can change, so before you book, confirm the current eligibility rules on the official page: https://hortonworks.com/services/training-certification/ (program retired).

What official training is recommended for the Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer exam?

Hortonworks recommends the following training options for Apache-Hadoop-Developer candidates:

• Hortonworks Official Developer Training
• Apache Pig & Hive Official Documentation

Official courses build the theory; the 110 practice questions from Dumpleader then let you measure how ready you actually are for the real exam.

Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:

Question #1
A NameNode in Hadoop 2.0 manages ______________.

A. An arbitrary number of namespaces
B. A single namespace
C. No namespaces
D. Two namespaces: an active namespace and a backup namespace

Question #2
What does the following command do?
register '/piggyban):/pig-files.jar';

A. Specifies the location of the JAR file containing the user-defined functions
B. Assigns a name to a user-defined function or streaming command
C. Transforms Pig user-defined functions into a format that Hive can accept
D. Invokes the user-defined functions contained in the jar file

Question #3
Which of the following tool was designed to import data from a relational database into HDFS?

A. Sqoop
B. Flume
C. Ambari
D. HCatalog

Question #4
What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"

A. List a directory /foo
B. Read a file /foo/bar
C. Make a directory /foo/bar
D. Delete a directory /foo/bar

Question #5
What is a SequenceFile?

A. A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be the same type. Each value must be same type.
B. A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous writable objects.
C. A SequenceFile contains a binary encoding of an arbitrary number of homogeneous writable objects.
D. A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in sorted order.

Solutions: