CISCO INTRODUCTION

CISCO:

CISCO IS A VENDOR COMPANY WHICH MAKES NETWORK DEVICES(hubs,switches,routers etc.)

CISCO DEVICES HAVE THERE OWN OPERATING SYSTEMS WHICH ARE CALLED AS "IOS".

IOS (INTERNETWORK OPERATING SYSTEM)

   FEATURES OF IOS:
 1.NEVER CORRUPT
 2.NO VIRUS

   * IOS CAN BE INSTALLED ONLY IN CISCO DEVICES.

CISCO MAKES:
1.HUBS
2.SWITCHES
3.BRIDGE
4.ROUTER
5.WIRELESS AP


CISCO IS THE BEST COMPANY WHICH MAKES DURABLE AND LONG LIFE NETWORK DEVICES BUT THEY ARE VERY COSTLY.

DO YOU KNOW!!!

GENERAL INFORMATION

 

• 8 Bits                    = 1 Byte
• 1024 Bytes           = 1 Kilobyte 
• 1024 Kilobytes    = 1 Megabyte 
• 1024 Megabytes  = 1 Gigabyte
• 1024 Giga bytes   = 1 Terabyte

• Kilobyte    (Kb)
• Megabyte  (Mb)
• Gigabyte    (Gb)
• Terabyte    (Tb)