Q1/ Choose the right answer:- 1- In the OSI model, as a data packet moves from the upper to the lower layers, headers are ? a) Added b) Removed c) Rearranged d) Randomized

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
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Q1/ Choose the right answer:-
1- In the OSI model, as a data packet moves from the upper to the lower layers,
headers are ?
a) Added
b) Removed
c) Rearranged
d) Randomized
2- Which address is used on the internet for employing the TCP/IP protocols?
a) physical address and logical address
b) port address
c) specific address
d) all of the mentioned
3- Which layer provides the services to user?
a) application layer
b) session layer
c) presentation layer
d) physical layer
4- Bits can be sent over guided and unguided media as analog signal by using
frequency modulation?
a) True
b) False
5- The physical layer translates logical communication requests from the
into hardware specific operations.
a) data link layer
b) network layer
c) transport layer
d) application layer
Transcribed Image Text:Q1/ Choose the right answer:- 1- In the OSI model, as a data packet moves from the upper to the lower layers, headers are ? a) Added b) Removed c) Rearranged d) Randomized 2- Which address is used on the internet for employing the TCP/IP protocols? a) physical address and logical address b) port address c) specific address d) all of the mentioned 3- Which layer provides the services to user? a) application layer b) session layer c) presentation layer d) physical layer 4- Bits can be sent over guided and unguided media as analog signal by using frequency modulation? a) True b) False 5- The physical layer translates logical communication requests from the into hardware specific operations. a) data link layer b) network layer c) transport layer d) application layer
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