MCSE Notes Lecture # 5 : TCP/IP (Transmission Control Protocol / Internet Protocol)



MCSELECTURE 5

TCP/IP (Transmission Control Protocol / Internet Protocol):

IP ADDRESSING:

  • NIC cards having unique addressing.
  • Address is in the form of Hexa-Decimal.
  • (e.g.)  A1.B2.00.C1.D2.01
ManufacturingNumber of NIC Cards
Company Namedesigned by company

 

  • IP address is in Network layer.
  • IP address is of 32 bits.

Classes of IP address:

  • Sub-net mask specifies the direction of data (i.e.) where data is to be sent.
  • Router sends data by checking sub-net mask.
  • IP addresses having different classes are called IPV 4 (IP version 4).

 

ClassNetworkHostIP RangeIP Range
Sub-net Mask RangeSub-net Mask Range
NameBitsBits
StartingEnding
Class A8241.0.0.0126.255.255.255
255.0.0.0255.0.0.0

 

Class B1616128.0.0.0191.255.255.255
255.255.0.0255.255.0.0
Class C248192.0.0.0223.255.255.255
255.255.255.0255.255.255.0
Class D240.0.0.0255.255.255.255
Class E
  • 127.0.0.0 To 127.255.255.255 is used for device checking called “Loopback” address.
  • Class D is used for multitasking (not for normal communication).
  • 240.0.0.0 To 255.255.255.255 are used by NASA for Research work.

Private IP: Private IP can’t run on Internet because Router can’t understand private IP.

Class NameIP RangeIP Range
StartingEnding
Class A10.0.0.010.255.255.255
Class B172.16.0.0172.31.255.255
Class C192.168.0.0192.168.255.255

Public IP: Public IP are those who can run on Internet Services and Ports:

SERVICE NAMEPORT #
WWW80
DNS53
SMTP25
Telnet23
POP3110
SSL423

Setting for Data Communication:

  • NIC Card + Drivers
  • Protocols (TCP/IP, IPx/SPx, Apple Talk, NetBeui)
  • Client Software
  • File and Print Sharing
  • IP Address

PROTOCOLS:

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