What is the primary purpose of HTTPS?

To encrypt communication between the client and server

To allow multiple domains on one server

A developer is building a real-time dashboard that updates stock prices every second. The team is debating between using WebSockets and HTTP polling. The primary concern is minimizing server load while keeping updates as close to real-time as possible. Which approach is better and why?

WebSockets, because they maintain a persistent connection and push updates only when data changes

HTTP polling every 5 seconds, because it reduces server load compared to WebSockets

HTTP polling every second, because it uses standard HTTP and is simpler to implement

WebSockets, because they use UDP which is faster than TCP

Which of the following is a common measure to prevent session hijacking?

Using short session IDs to reduce overhead

Using long, random session identifiers

LPI Web Development Essentials

Domain 1Objective 3

031.3 HTTP Basics (weight: 3) WEB-DEVELOPMENT-ESSENTIALS Practice Questions (Page 7)

Part of the 031 Software Development and Web Technologies domain, which makes up ~28% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 60-minute exam (~25–40 total, ~7–11 in this domain), expect 2–4 from this objective — we provide 47 practice questions to prepare you well beyond it. (estimate)

47questions here

10free pages

16concepts

Questions 31–35

31foundation · easy
What is the primary purpose of HTTPS?
Select an answer first
32expert · medium
A developer is building a real-time dashboard that updates stock prices every second. The team is debating between using WebSockets and HTTP polling. The primary concern is minimizing server load while keeping updates as close to real-time as possible. Which approach is better and why?
Select an answer first
33foundation · easy
Which HTTP status code category indicates that the client's request was successfully processed?
Select an answer first
34foundation · easy
Which of the following is a common measure to prevent session hijacking?
Select an answer first
35foundation · easy
In the URL https://example.com/search?q=linux#results, what is the fragment?
Select an answer first

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031.3 HTTP Basics (weight: 3) WEB-DEVELOPMENT-ESSENTIALS Practice Questions (Page 7)

Questions 31–35

What is the primary purpose of HTTPS?

A developer is building a real-time dashboard that updates stock prices every second. The team is debating between using WebSockets and HTTP polling. The primary concern is minimizing server load while keeping updates as close to real-time as possible. Which approach is better and why?

Which HTTP status code category indicates that the client's request was successfully processed?

Which of the following is a common measure to prevent session hijacking?

In the URL https://example.com/search?q=linux#results, what is the fragment?

Keep studying — 031 Software Development and Web Technologies