1. In a noiseless channel with 4kHz bandwidth, the maximum data transmission rate is hoped to be 24kb/s, then the number of signal levels is В. 8 runs with best realtime performance. A. 4 с. 16 D. 32 2. A. packet switching C. circuit switching B. datagram switching D. virtual switching

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Question
I. Choice Questions
1. In a noiseless channel with 4kHz bandwidth, the maximum data transmission rate is hoped
to be 24kb/s, then the number of signal levels is
A. 4
В. 8
runs with best realtime performance.
С. 16
D. 32
2.
A. packet switching
C. circuit switching
B. datagram switching
D. virtual switching
Transcribed Image Text:I. Choice Questions 1. In a noiseless channel with 4kHz bandwidth, the maximum data transmission rate is hoped to be 24kb/s, then the number of signal levels is A. 4 В. 8 runs with best realtime performance. С. 16 D. 32 2. A. packet switching C. circuit switching B. datagram switching D. virtual switching
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