MCSE Journey

70-293 Starting

It isn’t a bad day toady; I received January 2005 issue National Geographic which should be published at January 9, 2005. I am too lazy to do anything after returning from Yunan province and I decided to do some learning today. The decision is the book MCSE Exam 70-293 Self-Paced Training Kit, Planning and Maintaining a Microsoft Windows Server 2003 Network Infrastructure. The first chapter has nothing but some very basic concept like seven layers of the network, TCP/IP knowledge, different physical Ethernet physical connection cable and etc.

Quick reference:

Application

Presentation

Session

Transport

Data transfers, the TCP and UDP protocol of TCP/IP belong to layer. Also, NCP of NetWare and NetBEUI belongs to.

Network

The connection between computer on different network. The IP protocol of TCP/IP belongs to this layer.
Device: router

Data-link

Indicates the selection of what type of network physical cable (copper or fiber-optic) or wireless, Ethernet or Token Ring. If the selection is physical Ethernet, which cable is capable for the requirement.
Device: switche
Protocol: Point-to-Point Protocol (PPP)

Physical

Indicates the physical cable itself, which is copper cable (UTP) and fiber-optic.
Device: hub

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