6- A client packet is received by a server. The packet has a destination port number of 21. What service is the client requesting? a) DHCP d) DNS b) FTP c)TFTP 7- A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network? a) 255.255.255.192 b) 255.255.255.248 d) 255.255.255.240 e)255.255.255.224 3- What service is provided by DNS? b) Allows for data transfers between a client and a file server. c) Uses encryption to secure the exchange of text, graphic images, sound, and video on the web. d) A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

6- A client packet is received by a server. The packet has a destination port number of 21. What service is the client requesting? a) DHCP d) DNS b) FTP c)TFTP 7- A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network? a) 255.255.255.192 b) 255.255.255.248 d) 255.255.255.240 e)255.255.255.224 3- What service is provided by DNS? b) Allows for data transfers between a client and a file server. c) Uses encryption to secure the exchange of text, graphic images, sound, and video on the web. d) A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

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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