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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?
simple introduction,defination and with example & digram
Describe the advantages of Intranet to the organisation The most obvious advantage is that everyone with access to a computer terminal connected to the Intranet can obtain the
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
Assuming that TCP Reno is used, consider the following diagram illustrating the behaviour of congestion window, and answer the questions below. a) What was the value of sl
Question 1 Describe the architecture and usage of ISDN Question 2 Write about different network structures in use Question 3 Explain the concept of framing in Data Li
Explain the physical and logical paths in a computer communication network also
802.11b HR DSSS a) High-rate DSSS using a 2.4 GHz band b) Similar to DSSS excluding for encoding method c) Uses complementary code keying (CCK), encoding 4 or 8 bits to
Q. Explain File Transfer Protocol? - File Transfer Protocol (FTP) is a TCP/IP client-server application for copying files from one host to another -- Establishes two connect
Can you describe the concept of OSI layer
Q. Resolution of domain name system? - Mapping a name to an address or else an address to a name - Resolver is a DNS client used by an address to provide mapping - In re
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