CISCO SYSTEM---COMPUTER INFORMATION SYSTEM COMPANY FOUNDED IN DECEMBER 1984.

CISCO SYSTEM---COMPUTER INFORMATION SYSTEM COMPANY FOUNDED IN DECEMBER 1984.

CISCO PROVIDES THE NETWORKING TECHNOLOGY THAT IS THE GATEWAY TO COMPUTER-BASED COMMUNICATION.

BY TWO MEMBER OF STANFORD UBNIVERSITY COMPUTER SUPPORT STAFF

LEONARD BOSACK--CHARGE OF THE COMPUTER SCIENCE DEPARTMENT

SANDY LERNER MANAGED THE GRADUATE SCHOOL OF BUSINESS

CISCO FIRST PRODUCT EXACT REPLICAS OF STANFORD “BLUE BOX” ROUTER.

IT IS COPY OF STANFORD UNIVERSITY MULTIPLE-PROTOCOL ROUTER SOFTWARE.

ON JULY 11, 1986 BOSACK AND KIRK LOUGHEED WERE FORCED TO RESIGN FROM STANFORD UNIVERSITY BCAUSE THEY THEFT OF ITS SOFTWARE, HARDWARE DESIGNS.

THE NAME "CISCO" WAS DERIVED FROM THE CITY NAME, SAN FRANCISCO,

THE COMPANY'S FIRST CEO WAS BILL GRAVES, WHO HELD THE POSITION FROM 1987 TO 1988. IN 1988, JOHN MORGRIDGE WAS APPOINTED CEO.

ON FEBRUARY 16, 1990, CISCO SYSTEMS WENT PUBLIC (WITH A MARKET CAPITALIZATION OF $224 MILLION) AND WAS LISTED ON THE NASDAQ STOCK EXCHANGE.

BETWEEN 1992 AND 1994 THE COMPANY ENVISIONED LAYER 3 ROUTING AND LAYER 2 (ETHERNET, TOKEN RING) SWITCHING AS COMPLEMENTARY FUNCTIONS OF DIFFERENT INTELLIGENCE AND ARCHITECTURE.

CISCO SYSTEM HAS OWN DEVICES, OWN STANDARD, OWN (PROPRIETARY) PROTOCOL. THAT’S WAY IT’S DEVICES MORE POPULAR AND COSTLY. IT PROVIDES THE CONFIGURATION AND MANAGING & TROUBLESHOOTING OF ITS DEVICES ACCORDING TO FIELD & CERTIFICATION.

CISCO PROVIED THE FIVE LEVEL OF CERTIFICATION:-

1. ENTRY LEVEL.—CCENT (CISCO CERTIFIED ENTRY LEVEL NETWORK)

2. ASSOCIATE LEVEL.—CCNA (ICND 1, ICND 2) (INTERCONNECTING CISCO NETWORKING DEVICES)

3. PROFESSIONAL LEVEL.--CCNP

4. EXPERT LEVEL.--CCIE

5. ARCHITECT LEVEL.

CISCO SERVER DIFFEERENT CERTIFICATION PATH:-

1. ROUTING & SWITCHING.

2. NETWORK SECURITY.

3. VOICE.

4. STORAGE NETWORK.

5. DESIGNING

6. WIRELESS.

7. SERVICE PROVIDER.

CCENT --- Cisco Certified Entry Networking Technician (CCENT) validates the ability to install, operate and troubleshoot a small enterprise branch network, including basic network security. With a CCENT, a network professional demonstrates the skills required for entry-level network support positions - the starting point for many successful careers in networking. The curriculum covers networking fundamentals, WAN technologies, basic security and wireless concepts, routing and switching fundamentals, and configuring simple networks. CCENT is the first step toward achieving CCNA, which covers medium-size enterprise branch networks with more complex connections.