The assignment focuses on Communications and Network Security. Also, there is a description of Models, Topologies and Protocols. So, describe the different WLAN standards within the 802.11 family.

Communications and Network Security – Network Models, Topologies and Protocols

Description. Firstly, please respond to one or more of the following questions. Secondly, describe the differences between bus, ring, star and mesh topologies. Also, explain the TCP/IP Model in terms of functions at each layer. Thirdly, how do the layers map to the OSI Model layers? The Transport layer provides two service protocols: UDP and TCP. Explain the differences between the two protocols in terms of guaranteed vs. non-guaranteed service and connection-oriented versus connection-less communication.

Communications and Network Security – Network Models, Topologies and Protocols

Describe the different WLAN standards within the 802.11 family. What is a rogue access point? Nowadays, government institutions, companies and individuals rely increasingly on computer networks, systems, and other connected devices to store, communicate, and exchange information. The storage and communication tools, mostly computer or smartphone applications, are built on top of this web of interconnected devices. This background constitutes the complexity of security challenges in cyberspace.

Communications and Network Security – Network Models, Topologies and Protocols

Additionally, the scope of communication and network technology expands rapidly. Online payment, virtual conferencing, and remote working are some of the notable examples that demand stable, secure, and trustworthy communication channels. Disrupted Internet connection and network eavesdropping are common cyberattacks that can generate considerable damage for both institutions and individuals. The former might lose trade secrets like intellectual property (IP) to their competitors;

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