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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.
What are the key elements of protocols? The key elements of protocols are a. Syntax It refers to the structure or format of the data that is the order in which they a
Enumerate the concept of IP address The router must have an IP address of the same network (194.62.15.x in this case) for the convenience of the entire network to use the servi
IEEE 802.3 frame format
Q.Role of Host System? Hosts on OSI implementations don't handle network operations (simple terminal) but TCP/IP hosts participate in most network protocols. TCP/IP hosts do su
Primary Function Core network typically providing the followings functionality 1.Aggregation : the highest level of aggregation in a service provider networks. The
Hardware Sharing network facilitate the sharing devices. For example instead of giving each of 10 employees in department of the internet on modern society is har
WAN -Wide Area Network
Fat tree It is a modified version of the tree network. In this group the bandwidth of edge (or the connecting wire among nodes) increases towards the root. It is a more practic
FDDI, Token Ring and Ethernet are all physical layer framing standards.
What can be done to fix signal attenuation problems? A common way of dealing with like problem is to use repeaters and hub, because it will help regenerate the signal and thus
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