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QUESTION
a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer
b) Describe the functions of the following intermediate systems-
c) Assume six devices are arranged in a mesh topology
How many cables are needed?
How many ports are needed for each device?
Can you define IKE phases?
TPC and UDP are 2 layer of Transport protocols.
Q. Show VLAN Membership and Configuration? VLAN Membership - May be classified by - Switch port numbers - MAC addresses - IP addresses - IP multicast addresse
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
Describe packet filtering firewall?
Computer Networking 1. Explain different network structures in use. 2. Elaborate the architecture and usage of ISDN. 3. Discuss the concept of framing in Data Link Layer
Q. Describe Flow and Error Control Mechanisms? Flow and Error Control Mechanisms - Stop and Wait ARQ - Go-Back ARQ - Selective Repeat ARQ
Describe shor note on Physical layer?
What is CRC The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make
Which layer is responsible for negotiating data transfer syntax? Ans) The Presentation layer does the following: Manages data representation conversions, or data transfer syntax
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