Network+ Tutorial Oct 27_02

[Q332 ]

Which are the Valid TCP/IP Protocol ?

The protocol that belong to TCP/IP , or we call it TCP/IP Suite .

FTP,SMTP,HTTP , DNS , DHCP etc all are valid TCP/IP protocol

NetBEUI is NOT TCP/IP protocol


[Q335]

The Protocol that can recover the corrupted/loss packet is called Connection Orientated protocol.

TCP can recover corrupted packet .

IP , IPX , UDP , all these protocol CANNOT recover the corrupted packet .

[Q336]

Which are the Authentication and Encryption Protocol ?
(security protocol )

Example of the the Protocol that can perform authentication & encryption are :-
PPTP
L2TP
IPsec
SSL

FTP/SMTP/POP etc all are NOT the authentication & encryption protocol .

[Q337]

Which Protocol never use IP Address to communicate with each other ?

The Protocol that use NAME ( PC’s name ) to communicate with each other is NetBEUI .

NetBEUI is using NetBIOS Name ( PC’s name ) to communicate with other workstation within the SAME LAN

TCP/IP is a protocol using IP ADDRESS to communicate with each other within LAN or from LAN to WAN

[Q338]

Which Protocol is INTERNET security protocol ?

Example : HTTPS or SSL are Internet Security Protocol which can perform authentication and encryption


[Q344]

What is Network Platform ?

It is Network Operating System .

Difference Network Platform , means , difference network operating systems , it could be Window based , Netware based , Unix based etc .


Which Protocol CANNOT use on difference Network Platform ?

Example : WINS and NetBEUI . Both of them are used on Window Based Platform

DNS and WINS , both are NAME RESOLUTION protocol , but DNS can be used on difference network platform and WINS CANNOT used on difference network platform.

[Q348]

Do HOST File use on Window Based Server ?

No , HOSTS File is used on UNIX only .

HOSTS File is same function as DNS , both of the are use to resolve HOST NAME to IP ADDRESS .
But , HOSTS File is manually update the Hosts Name mapping IP Address.

( refer to my previous explanation on HOSTS Files )

[Q350]

What are the right commands we should use ?

To test the connectivity between workstation to workstation/server or network device , we can use PING command .

To verify whether the TCP is connected to the workstation , we use NETSTAT command .

To verify whether the network setting of the own workstation is correct , we use IPCONFIG/ALL command

To verify whether WAN connectivity problem , or WAN’s routing problem , we can use TRACERT command

To verify the NetBIOS over TCP/IP whether is working , we use NBTSTAT command