QUESTION 9if you want to perform a transaction from a remote client to a server as fast as possible, UDP is better that TCPO TrueO FalseQUESTION 10A protocol uses handshaking if the two communicating entities first exchange control packets before sending data to each other.O TrueO FalseQUESTION 11Suppose Alice, with a Web-based e-mail account (such as Hotmail or Gmail), sends a message to Bob, who accesses his mail from his mail server using POP3.order the following steps to move the message between the two hosts.✓ Alice's mail server sends the message to Bob's mail server over SMTP.✓ Bob transfers the message from his mail server to his host over POP3.The message is sent from Alice's host to her mail server over HTTP.QUESTION 12the UDP server described needed only one socket, whereas the TCP server needed two socketsO TrueO False QUESTION 12the UDP server described needed only one socket, whereas the TCP server needed two socketsO TrueO FalseQUESTION 13Fill the blankWith the TCP server, there is a welcoming socket, and each time a client initiates a connection to the server, a new socket is created. Thus, to support n simultaneousconnections, the server would needsockets.O n-1OnO n+10 1QUESTION 14For the client-server application over UDP, the server program must be executed before the client program.O TrueFalseQUESTION 15For the client-server application over TCP, the server program must be executed before the client program.O TrueO False

Answered: QUESTION 9 if you want to perform a…

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

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9.TCP is comparatively slower than UDP. UDP is faster, simpler, and more efficient than TCP. Retransmission of lost packets is possible in TCP, but not in UDP

10.A protocol uses handshaking if the two communicating entities first exchange control packets before sending data to each other. SMTP uses handshaking at the application layer whereas HTTP does not.

True

12.The UDP server described needed only one socket, whereas the TCP server needed two sockets because: With the UDP server, there is no welcoming socket, and all data from different clients enters the server through this one socket.

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