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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.
Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when
a) Peer-to-Peer Network Computers can act as both servers sharing resources and as clients using the resources. b) Server-based Network Give centralized control of netwo
briefly explain how firewalls protect networks
Which command saves the configuration stored in RAM to NVRAM Ans) copy running-config startup-config is the command which saves the configuration stored in RAM to NVRAM
How many dissimilar types of subnet classful networks are present?
What is Wired Equivalent Privacy?
A fairly renowned approach in this area is OpenMP, a recently developed industry standard for shared memory programming on architectures with uniform memory access characteristics.
ARP sent the request in broadcast, response is unicast When a source sends ARP request the switch broadcast the ARP req. if it doesn't have the destination mac address in its ma
What is DHCP? DHCP is short for Dynamic Host Configuration Protocol. Its major task is to automatically assign an IP address to devices across the network. It first checks for
Explain about the Switches LAN switches are an expansion of the method in LAN bridging, which controls data flow, handles transmission errors, gives physical addressing, and ma
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