Top Big Data and Cloud Computing Interview Questions & Answers

Source:- exceltip.com

Here are some top questions that are being asked during big data and cloud computing interviews.

1. WHAT ARE HYPERVISORS IN CLOUD COMPUTING AND GIVE THEIR TYPES.

Answer: Hypervisor is known as a virtual machine that manages resources for virtual machines. They are majorly 2 types of hypervisors.

• TYPE 1: the guest Vm runs directly over the host hardware.
• TYPE2: the guest Vm runs over hardware through a host Operating System.

2. WHAT IS AMAZON SQS?

Answer: this is used to communicate between different connectors and between various components of AMAZON, this basically acts as a communicator.

3. WHAT ARE THE BASIC CHARACTERISTICS OF CLOUD COMPUTING?

Answer:

• Billing self-services based usage model.
• Automatic de-provisioning and self-service provisioning.
• Stability and elasticity.
• Standardized interference.

4. WHAT ARE THE SERVICES PRODUCED BY WINDOW AZURE OS (Operating System).

Answer: the window Azure provides three core services which are stated below,

• Storage
• Compute and
• Management

5. THERE ARE THREE BASIC CLOUDS IN CLOUD COMPUTING, MENTION THEM.

Answer:

• Performance Cloud
• Personal Cloud
• Professional Cloud

6. WHAT IS THE FULL MEANING OF NoSQL?

Answer: NoSQL means No Structured Query Language: which is a data management system.

7. IN CLOUD COMPUTNG, WHAT ARE THE DIFFERENT TYPES OF LAYERS?

Answer:

• PaaS (Platform as a Service) which provides cloud application platform for developers.
• Saas (Software as a Service) which provides users access directly to the cloud application without needing to install anything on the system.
• IaaS (Infrastructure as a Service) provide infrastructure in terms of hardware parts like the processor speed, memory etc.

8. WHAT IS IBM CLOUD?

Answer: this refers to a SET of enterprise-class technologies and services made to assist customers access their cloud.

9. WHAT IS THE DIFERENCE BETWEEN BIG DATA AND CLOUD COMPUTING?

Answer: Big data is a SET of data stored in large amount of space while Cloud computing is the process of storing information or data over the internet without the use of hard drive.

10. BY DEFAULT, WHERE DOES HIVE STORE TABLE DATA?

Answer: hdfs://namenode/user/hive/warehouse

This is the default location for the storage of table data by HIVE.

11. EXPLAIN THE THREE (3) FORMS OF BIG DATA.

Answer:

• Unstructured: data with unknown form or classified structure is termed unstructured data. An example of this type of data is a heterogeneous data source that contains a combination of simple images, text files, videos etc. Output returned by Google search could also be considered as an example of unstructured data.
• Structured: this is regarded as data that is processed, accessed and stored in form of a fixed format. Data kept in relational database management system is an example of a structured data.
• Semi-structured: this is the combination of both the structured data and unstructured forms of data. An example of this type of data is a data represented in XML format/file.

12. WHAT ARE THE PLATFORMS USED FOR CLOUD COMPUTING ON A LARGE SCALE?

Answer: MapReduce, Apache, and Hadoop are the platforms use for large scale cloud computing.