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Q. Show VPNs Security and the Internet Model?
- VPN's Security and the Internet Model
- Application layer - provide for each application protocol (other layers may be left vulnerable)
- Transport layer - difficult to change existing protocols
- Network layer - IPsec (additional security for IP)
- Data Link layer - does not provide end-to-end security
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
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Can you Describe what the use of IGMP Protocol is?
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Advantage of Repeaters Repeaters provide the advantage of increasing type size of LAN or connecting LAN segments. Repeater can overcome 10 base 5 Ethernet LANM restrictio
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S t d "B" 9 m C-BAND EARTH STATION (2001) This Earth Station is aligned with INTEL SAT IOR 66° and provide domestic connectivity. R-Sat (Regional Satellite) i
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