I need the answer as soon as possible 1- In the OSI model, as a data packet moves from the lower to the upper layers,headers are?a) Addedb) Removedc) Rearrangedd) Randomized2- Which transmission media provides the highest transmission speed in a network?a) coaxial cableb) twisted pair cablec) optical fiberd) electrical cable3- Which address is used on the internet for employing the TCP/IP protocols?a) physical address and logical addressb) port addressc) specific addressd) all of the mentioned4- Which layer provides the services to user?a) application layerb) session layerc) presentation layerd) physical layer5- What is route poisoning?a) It sends back the protocol received from a router as a poison pill, which stopsthe regular updates.b) It is information received from a router that can't be sent back to theoriginating router.c) It prevents regular update messages from reinstating a route that has just comeupd) It describes when a router sets the metric for a downed link to infinity

1. In the OSI model, when a data packet goes from lower layers to higher layers, headers are added.…

Answered: I need the answer as soon as possible

Engineering

Computer Science

I need the answer as soon as possible

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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Concept explainers

Cryptography

Cryptography is a term used in computer science to describe secure information and communication techniques that transform messages in difficult-to-decipher ways using mathematical concepts and a set of rule-based calculations known as algorithms.

Question

I need the answer as soon as possible

1- In the OSI model, as a data packet moves from the lower to the upper layers,
headers are?
a) Added
b) Removed
c) Rearranged
d) Randomized
2- Which transmission media provides the highest transmission speed in a network?
a) coaxial cable
b) twisted pair cable
c) optical fiber
d) electrical cable
3- 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
4- Which layer provides the services to user?
a) application layer
b) session layer
c) presentation layer
d) physical layer
5- What is route poisoning?
a) It sends back the protocol received from a router as a poison pill, which stops
the regular updates.
b) It is information received from a router that can't be sent back to the
originating router.
c) It prevents regular update messages from reinstating a route that has just come
up
d) It describes when a router sets the metric for a downed link to infinity

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