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What are MAC addresses?
MAC, or Media Access Control, uniquely identifies a device on the network. It is also called as physical address or Ethernet address. A MAC address is made up of 6-byte parts.
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
Hardware Cost It indicates to the cost concerned in the functioning of an interconnection network. It comprises the cost of arbiter unit, connectors, switches, interface logic
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
Overview of Data transmission network model A network is a combination of hardware and software that sends data from one location to another. The hardware consists of the physi
Explain the meaning of bastion host?
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
Q. Which steps are used at receiver end by check sum? The receiver follows these steps: The unit is divided into "k" sections each of "n" bits All sections are
There are many types of servers:- a) File servers b) Database servers c) Transaction servers d) Groupware servers e) Object servers Web servers.
What is Forward Error Correction and data words Forward error correction It is the process in which the receiver tries to guess the message by using redundant bits. Da
Path Overhead It is part of SPE and contain followings information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks, and path status.
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