When FDM is used in a communications network, each input signal is sent and received at maximum speed at all times. This is its chief asset. However, if many signals are sent along a single long-distance line, larger bandwidth is required, as is careful engineering, to ensure propersystem ...
FDM refers to a physical layer method that blends and transmits low-bandwidth channels via a high-bandwidth channel. FDMA, in contrast, is a channel access technique in the data link layer. Main features: In FDMA, every user shares the frequency channel or satellite transponder simultaneously; ...
OFDM is itself based onfrequency-division multiplexingand was commonly used in the past for cellular networking, broadcast media and older Wi-Fi standards like IEEE802.11ac(Wi-Fi 5). OFDMA is a variant of the OFDM scheme. Specifically, it is a multi-user variant of OFDM, meaning it allo...
The Internet Control Message Protocol (ICMP) is an error reporting protocol that is an integral part of the IP protocol. ICMP communicate control data, information data, and error recovery data across the network. Problems that are less severe than trans
Frequency-Division Multiplexing (FDM) is a scheme in which numerous signals are combined for transmission on a single communications line or channel. It is analog multiplexing technique. Each signal is assigned a different frequency (sub channel) within
signals, networking would be impossible, as devices would be unable to communicate with each other or access the vast array of services available on networks such as the internet. In essence, data signals are the lifeblood of modern interconnected systems, powering the digital world we live in....
现金在保障公众支付权利公平、在重大自然灾害等极端情况下稳定公众支付需求等方面具备[u] [/u]的优势，尤其对老年人来说，拒收现金给老年人的生活带来诸多不便。目前，我国已形成现金、银行卡、互联网支付、移动支付并存的[u] [/u]支付工具体系，同时正在部分地区开展数字人民币试点。不同的支付工具各有优势，较好...
21、ore frequently used in a computer network.a topology when in context to networking is a pattern of interconnecting nodes. the four types that popularly used are ring, star, mesh, and bus.10. explain what is meant when we say that a link is point to pointpoint to point means that ...
“Knowledge which is acquired under compulsion obtains no hold on the mind.” Plato According to Socrates “To know, is to know that you know nothing. That is the meaning of true knowledge.” “True knowledge exists in knowing that you know nothing.” Socrates “The only true wisdom is in...
Am studying for python and network automation and programming along with New avenues in Networking but i still feel that there has to be some thing more to it. Machine Learning and Deep Learning are the subjects that i always had the inclination on and wanted to pursue. There are multiple ...