CCNA (Cisco Certified Network Associate)

CCNA(Cisco Certified Network Associate)Submitted by:-POOJA RAWATI.T (2011-2015)

Enfocarse Institute of Information Technologies (E.I.I.T)

ENFOCARSE Which means a group of focused people who are meant not only to train our students but make them Professionals.

About E.I.I.TBest Cisco & Microsoft Training Institute

E.I.I.T is considered as a one of the Leading Cisco & Microsoft Training Institute in Noida.E.I.I.T is a well known technology institute over Cisco and Microsoft platform founded & driven by the team of IT Professionals.E.I.I.T is having a Team of well Qualified Profession having rich experience in the field of Networking , Data Centre, System Integration and Security.OVERVIEWWhat is Cisco?The MICROSOFT of Networking.Established in 1984 at San Francisco, HQ-San Jose, California.Founders:-Lan BosackSandy LernerJohn T. Chambers(Chairman & CEO)Networking Devices Switches Hubs Routers Bridges

Peer-to-Peer Communication

TCP/IP Model

Networking Connections

Straight Through CableCrossover Cable

Rollover Cable

IP Addressing Two Types:-IPv4(Internet Protocol version 4):-32 bit Binary AddressRepresented with Dots. E.g.:- 192.168.16.1/24IPv6(Internet Protocol version 6):-128 Bits Binary AddressRepresented with Colons & Double Columns E.g.:- 2000::7:2100:0:0:2121

Internet Protocol version 4(IPv4) Two Types:-Public IPs Routable IPsPrivate IPs Personal Uses(Networking)Classification of IP Addresses:-

Class A: Class B:Class C:Class D: MulticastClass E: ResearchNetworkHostHostHostNetworkNetworkNetworkHostNetworkNetworkHostHost 8 bits8 bits8 bits8 bitsSubnettingSubnetting is logically dividing the network by extending the 1s used in Subnet Mask.Advantage:-Can divide network in smaller parts.Restrict Broadcast traffic.Security.Simplified Administration.

RoutersRouter is an internetworking component, that connects networks which are at different geographical locations.

Routers ModularModular RoutersThese type of routers have upgradable slots, and the number of ports can be increased just by adding cards in the slots. E.g.:-Cisco Routers from 2600,, 12000Fixed RoutersThese types of routers have fixed number of ports. E.g.:- Cisco Routers from 700,, 2500Fixed

RoutingStaticDynamicDefaultWhen the destination is known, static and dynamic routing is done. Static routing is done by the users. For unknown destinations, default routing is employed.In dynamic routing, path is fixed by the protocol. Path changes depending on the length of the path. Always the shortest path is preferred. Paths are stored in the routing table.

RIP(Routing Information Protocol)A Distance Vector Routing Protocol.Hop count metric selects the path. It is the only criteria. Maximum is 15.Route updates are broadcasted after every 30 seconds.RIPv1 uses only Classful Routing.EIGRP(Enhanced Interior Gateway Routing Protocol) Supports IPv4 and IPv6 via Protocol-Dependent Modules. Considered Classless. Efficient Neighbor discovery. Maximum Hop Count is 255. By Default it is 100. Uses Reliable Transport Protocol(RTP).OSPF (Open Shortest path first) An Open standard Routing Protocol. A Link-State Routing Protocol. Minimizes Routing Update Traffic. Has unlimited Hop Count.

VLAN (Virtual LaN)

VLANs helps reduce the cost of moving employees from one location to another

VLAN Trunking ProtocolVLAN trunking protocol (VTP)A layer 2 messaging protocol that manages all the changes to the VLANs across networks.VTP domainsVTP devices are organized into domains. Each switch can only be in one VTP domain at a time.VTP device modes:-ServerClientTransparent

20 Frame RelayIt is a packet-switched, connection-oriented, WAN service. It operates at the data link layer of the OSI reference model.

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