Why Hadoop security protects sensitive data - Quick Recap

Recall & Review

beginner

What is the main reason Hadoop security protects sensitive data?

Hadoop security protects sensitive data to prevent unauthorized access and ensure that only trusted users can read or modify the data.

beginner

How does Hadoop security help in a shared data environment?

It controls who can see or change data, so multiple users can safely share the same system without risking data leaks or tampering.

beginner

What role does authentication play in Hadoop security?

Authentication verifies the identity of users before they access data, making sure only authorized people can use the system.

intermediate

Why is encryption important in Hadoop security?

Encryption scrambles data so that even if someone intercepts it, they cannot understand it without the secret key.

beginner

What could happen if Hadoop security is weak or missing?

Sensitive data could be stolen, changed, or deleted by unauthorized users, leading to privacy breaches and loss of trust.

What is the purpose of Hadoop security?

A To speed up data processing

B To protect sensitive data from unauthorized access

C To increase storage capacity

D To reduce data size

Hadoop security is designed to protect sensitive data by controlling who can access or modify it.

Which Hadoop security feature verifies user identity?

A Authentication

B Encryption

C Data compression

D Replication

Authentication checks who the user is before allowing access.

Why is encryption used in Hadoop security?

A To make data unreadable to unauthorized users

B To speed up data transfer

C To backup data

D To organize files

Encryption protects data by making it unreadable without the correct key.

What risk does weak Hadoop security pose?

A More storage space

B Faster data processing

C Data theft or tampering

D Better user experience

Weak security can lead to unauthorized data access or changes.

How does Hadoop security help multiple users?

A By allowing all users to access all data freely

B By deleting old data automatically

C By increasing network speed

D By controlling access so users only see what they should

Access control ensures users only access data they are allowed to see.

Explain why protecting sensitive data is important in Hadoop environments.

Think about what could happen if anyone could see or change the data.

Describe the main security features Hadoop uses to protect data.

Consider how Hadoop checks users and controls what they can do.