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What is Star topology
Each station is directly connected to a common central node. Typically, each station attaches to a central node via two point-to-point links, one for transmission and one for reception.
Q. Example on audio transmission? admission policy - QoS mechanism; switches (routers) first check resource requirements of a flow before admitting it to the netwo
A layer of a glass surrounding the center fiber of glass under a fiber-optic cable.
COMPUTER NETWORKS 1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model. 2. Define the following terms: a) Ana
Q. Illustrate Nonboundary-Level Masking with example? Nonboundary-Level Masking Example IP address 45 123 21 8 Mask 255 192 0 0 Subnet 45 64 0 0 123 0
VLAN ( Virtual Local Area Network) is a concept of creating distinct broadcast domains. It is a network which aims at partitioning the physical network. VLAN comprises all the attr
INTRODUCTION In this part, the topic of performance evaluation shows those parameters that are devised to calculate the performances of various parallel systems. Achieving the
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
Network Criteria - Performance - It is able to be measured by transit time and response time. Affected by type of medium, number of users and connected HW/SW - Reliability
List the Advantages of microwaves. a. They need no right of way acquisition among towers. b. They can carry high quantities of information because of their high operating f
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
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