Physical Layer Provides access for *the end user True O False O the network layer provides two related services Addressing and *routing True O False O The number of users on a network has the greatest impact on the *network's reliability True O False O The physical layer is responsible for moving frames from one hop (node) to the next True O False O The main disadvantage of NRZ encoding is that it requires two signal * changes to encode one bit True O False O Transmission media lie below the transport laver True O False O Microwaves are used for celular phone satelite, and wireless LAN communications True O False O The minimum bandwidth of Manchester and diferential *Manchester is twice that of NRZ True O False O The digital signal can have only two anar. True O False O Information must be encoded into signals before it can be transported *across communication media True O False
Physical Layer Provides access for *the end user True O False O the network layer provides two related services Addressing and *routing True O False O The number of users on a network has the greatest impact on the *network's reliability True O False O The physical layer is responsible for moving frames from one hop (node) to the next True O False O The main disadvantage of NRZ encoding is that it requires two signal * changes to encode one bit True O False O Transmission media lie below the transport laver True O False O Microwaves are used for celular phone satelite, and wireless LAN communications True O False O The minimum bandwidth of Manchester and diferential *Manchester is twice that of NRZ True O False O The digital signal can have only two anar. True O False O Information must be encoded into signals before it can be transported *across communication media True O False
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
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