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Computer Networks
1. Differentiate WAN and LAN.
2. Describe the TCP/IP Reference Model with diagram.
3. Explain Circuit switching and message switching.
4. List the functions of (i) Routers (iii) Bridges.
5. State the terms Error Detection and Correction with respect to Data Transmission. Also describe the following concepts with respect to Error Detection and Correction:
a. Parity Bits b. Cyclic Redundancy Check
6. Write short notes on
(i) Non-Persistent CSMA (ii) 1-Persistent CSMA (iii) P - Persistent CSMA.
Question 1 Explain the following with respect to Data Encoding Digital Signaling of Digital Data Digital Signal Encoding Techniques Questi
Multicast and Broadcast In broadcast interconnection network at an individual time one node sends the data and all other nodes obtain that data. Broadcast can be termed as on
Determine about the proxy servers There are proxy servers that act as good firewall protection for the entire Intranet system. In some cases, firewall comes as a separate serv
Station Types No-transition mobility moreover stationary or moving only inside a BSS BSS-transition mobility is able to move from one BSS to another, but confined inside one
Destination Port Number This is port number used by the process running on the destination host. It is also 16 bits long if the destination host if server ( a client sen
UPD is a layer 4 Transport protocol. It is connection-less due to it does establish a connection thus the 3 step handshake is not needed, it does NOT execute any flow control or ac
I NTRODUCTION Reliability prediction is an important method for evaluating a system design, right from its conceptual stage through development and manufacture and al
What is the difference between interior and exterior neighbor gateways? Interior gateways connect LANs of one organization, while exterior gateways connect the organization to
The following issues are decided by the system in the process of message passing: 1) Whether the communication link is established or not 2) Whether the receiver is ready to
Command Structure: Commands are all-upper-case strings, either 4 or 6 characters in length. Table 1 shows the commands, and (for method commands) the parameters, return values, ex
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