aizkie_cute:))

Hello,this is our third meeting.



                Types of transmission:

• Unicast
• Multicast
• Broadcast

Broad cast domain - a group of devices  receiving broadcast frames initiating from any device within the                                            group.

Routers- do not forward broadcast frames ,broadcast domain are not forwarded from one broadcast  to                      another.

Collision-the effect of two nodes sending transmissions simultaneously in ethernet when they  meet on the                      physical media  the frames from each node collide  and a damage.

Collision domain- network area in ethernet over which frames that have  collided will be  detected  collisions                            are propagated  by  hubs and and repeaters collisions are not propagated by                                                switches,routers,or bridges.


            TCP/IP  MATH

"IP Address classes"

class A :ONNNNNNN/ HOST/HOST/HOST
            Range(1-126)

class B:Range (128-191)/0NNNNN/NETWORK/HOST/HOST

class C: Range (192-223)/10NNNN/NETWORK/NETWORK/HOST

class D:Range(224-239)



Classes Inter -Domain Routing(CIDR)

         -basically the method that ISPSs(Internet Service Providers) use to  allocate of addresses to a                       company and a home.
ex:
     192.168.10.32/28

The slash notations (/) means how many bits are.