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Page 7 of 88
The 802.16 MAC Sublayer Protocol
The IEEE 802.16 is a set of standards defining the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for the delivery of last-mile wireless broadband access. It lays down the standards for both physical layer as well as medium access control (MAC) layer for WiMAX. The IEEE 802.16 MAC sublayer is a part of the data link layer. The data link layer of WiMAX is divided into three sublayers as follows − Security sublayer − This is the bottommost layer and is concerned with the ...
Read MoreLogical Link Control Adaptation Protocol (L2CAP)
The Logical Link Control and Adaptation Protocol (L2CAP) is a crucial protocol in the Bluetooth standard that provides adaptation between higher layers and the baseband layer of the Bluetooth protocol stack. It operates just above the Host Controller Interface (HCI), passing data frames from the higher layers to either HCI or the Link Manager. L2CAP acts as a bridge between applications and the lower-level Bluetooth radio components, handling the complexities of data formatting and transmission management. Bluetooth Protocol Stack with L2CAP Applications (Audio, ...
Read MoreDifference Between PGP and S/MIME
PGP (Pretty Good Privacy) and S/MIME (Secure/Multipurpose Internet Mail Extensions) are two widely used cryptographic protocols for securing email communications. Both provide encryption, digital signatures, and message authentication, but they differ significantly in their architecture, implementation, and use cases. PGP operates on a web of trust model where users create and manage their own key pairs, while S/MIME relies on a hierarchical certificate authority system for key validation and distribution. Key Differences Feature PGP S/MIME Trust Model Web of trust (decentralized) Certificate Authority (hierarchical) Key Management User-controlled key ...
Read MoreDifference Between Streaming and Downloading
Streaming refers to the process of viewing content held on a remote server in real-time, whereas downloading is the process in which all data is transferred completely to your device before it can be viewed. Understanding the difference between these two methods of content delivery is crucial in today's digital landscape, as each approach offers distinct advantages and limitations. What is Streaming? Streaming is the process of viewing content that is stored on a remote system (server) rather than on a client workstation. The content is delivered continuously over the internet and played immediately. ...
Read MoreExplain the TCP Services in the Computer Network.
Following are some of the services offered by the Transmission Control Protocol (TCP) to the processes at the application layer: Stream Delivery Service Sending and Receiving Buffers Bytes and Segments Full Duplex Service Connection Oriented Service Reliable Service All the above mentioned TCP services are explained below in detail. Stream Delivery Service TCP is a stream-oriented protocol. It enables the sending process to deliver data as a stream of bytes and the receiving process to acquire data as a stream of bytes. TCP creates a working environment so that the sending and receiving ...
Read MoreWhat is MIME in the Computer Network?
MIME (Multipurpose Internet Mail Extensions) is a standard that extends the capabilities of Internet email beyond simple ASCII text. It enables users to exchange various types of data files over the Internet, including images, audio, video, and text in different character encodings. Originally designed for Simple Mail Transfer Protocol (SMTP), MIME has become essential for modern email communication. Virtually all human-written Internet email and a large proportion of automated email is transmitted via SMTP in MIME format. Beyond email, MIME content types are also crucial in other communication protocols like Hypertext Transfer Protocol (HTTP). How MIME Works ...
Read MoreWhat is the POP Protocol in Computer Network?
POP (Post Office Protocol) is a standard email retrieval protocol that allows email clients to download messages from a remote mail server. It provides a mechanism for users who don't maintain permanent internet connections to receive their emails by pulling them from a centralized server. Consider a scenario where user A connects to the Internet using a dial-up connection. When user B sends an email to A while A is offline, the message gets stored in A's mailbox on the ISP's mail server. When A connects later and opens their email client, the client's POP component contacts the ISP's ...
Read MoreWhat is Network Management?
Network management is the procedure of administering, managing, and operating a data network using a network management system. Modern network management systems use software and hardware to constantly collect and analyze data and push out configuration changes for improving performance, reliability, and security. It involves configuring, monitoring, and possibly reconfiguring components in a network with the goal of providing optimal performance, minimum downtime, proper security, accountability, and flexibility. Network management ensures that network resources are used efficiently and that the network meets the organization's requirements. Network Management System Overview ...
Read MoreWhat are the functions of Network Management?
Network Management involves monitoring and controlling a network system to ensure it operates properly without downtime. The functions performed by a network management system are categorized into several key areas that work together to maintain network reliability, security, and performance. Network Management Functions Network Management Central Control Fault Management Configuration Management Performance Management ...
Read MoreWhat is the SNMP in the Computer Network?
SNMP stands for Simple Network Management Protocol. It is an Internet-standard protocol for managing and monitoring devices on IP networks. Devices that typically support SNMP include routers, switches, servers, workstations, printers, and network appliances. SNMP is primarily used in network management frameworks to monitor network-attached devices for conditions that require administrative attention. SNMP operates as an application-layer protocol that provides a framework for managing devices on the Internet using the TCP/IP protocol suite. It supports a set of fundamental operations for monitoring and maintaining network infrastructure across diverse hardware platforms. SNMP Network Management Architecture ...
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