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University

30 Qs

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Assessment

Quiz

Fun

University

Practice Problem

Easy

Created by

Trang Dương Thùy

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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1️⃣ WebSocket provides:

A. One-way communication

B. Bidirectional full duplex communication

C. Connectionless communication

D. Unreliable communication

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2️⃣ WebSocket runs over:

A. UDP

B. ICMP

C. TCP

D. FTP

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3️⃣ WebSocket protocol was standardized as:

A. RFC 6455

B. RFC 2616

C. RFC 2326

D. RFC 3986

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4️⃣ WebSocket API is being standardized by:

A. IETF

B. IEEE

C. W3C

D. ISO

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5️⃣ What major feature of HTML5 introduced WebSocket?

A. Offline storage

B. Data attributes

C. Streaming data to/from browser

D. Canvas

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6️⃣ HTTP is not suitable for real-time apps because:

A. Too much traffic overhead

B. Too secure

C. Too fast

D. No header

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7️⃣ Which of the following is NOT a two-way communication method in HTTP?

A. Polling

B. Long polling

C. Streaming

D. Full duplex

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