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QUESTION
a) A switch basically operates by forwarding frames from one part of the network to another, based on MAC address. Describe the three types of switching namely store and forward switching, fast-forward cut-through switching and fragment-free cut-through switching.
b) Switching in a network isn't free from problems. Some of the most important issues that arise within a switched network are switching loops, multiple frames transmission and MAC address instability. Fortunately, the IEEE 802.1D Spanning Tree Protocol (STP) has been developed to address these issues.
Describe with the aid of a diagram(s) and with reference to the following key words, how STP operates in order to solve the above mentioned problems.
c) A nice feature of a switched network is the ability to set up Virtual Local Area Networks (VLANs).
(i) Explain how frame tagging within a VLAN can be used to set up trunk ports.
(ii) Explain how inter-VLAN communication can be achieved through subinterfaces.
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CARRIER SENSE MULTIPLE ACCESS (CSMA) There is no central access management when computers transfer on Ethernet. For this solution the Ethernet employs CSMA to coordinate tran
Using the selected approach, you should then conduct an audit or review of the information security issues associated with the use of computing facility and report on the findings.
TCP and UDP End-to-end delivery application is connection less. The basic function of connectionless service are as given: It adds extension of LAN abstraction. It has simp
on LAN,where are IP datagrams transported?
How much would it cost to have a project completed by tomorrow night?
explaain it?
(a) What are the different architectures for wireless networks? (b) Explain how WEP authentication and encryption works, describe the vulnerability. (c) In what ways are secu
ADDRESS RESOLUTION PROTOCOL (ARP) TCP/IP can use any of the three address resolution functions relaying on the addressing procedure used by the underlying hardware. To guarant
VIRTUAL PACKETS These data packets serve same reason in Internet as frames on LAN. Every packet has a header. Routers, which are normally gateways, transfer packets between ph
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