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Determine the term - Mobility
Mobility refers to the types of physical transitions that can be done by a mobile node within an 802.11 environment (no transition, movement from one BSS to another within an ESS, movement from one ESS to another). Association is a service that permits a mobile node that has made a transition to recognize itself to the AP within a BSS so that the node can participate in data exchanges with other mobile nodes.
Question 1: a) How is the four-way exchange employed for mutual authentication in WPA/RSN? b) Elaborate on how inquiry attacks and traffic monitoring attacks can be u
Define Encoder? A device or program that uses predefined algorithms to encode, or compress audio or video data for storage or transmission use. A circuit that is used to change
What is Framing? Framing in the data link layer divides a message from one source to a destination, or from other messages to other destinations, by adding a sender address and
Transparent Bridges & Learning Bridges - Builds table by examining destination as well as source address of each packet it receives - Learning bridges - If address is not
Ethernet Frame Format Consists of seven fields There is No mechanism for acknowledging received frames considered an unreliable medium
Question 1: (a) Explain what is meant by circuit switching? Give its main shortcoming and explain its relevance in telephone systems. (b) Outline the differences betwee
Q. OSI Network Layer Addressing ISO/IEC and CCITT mutually administer the global network addressing domain. The primary hierarchical decomposition of the address is defined
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
What are the advantages and disadvantages of the three types of routing tables? The three types of routing tables are fixed, dynamic, and fixed central. The fixed table must be
Computer Networks A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models
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