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802.11 WIRELESS LANs AND CSMA/CA:
IEEE 802.11 is standard wireless LAN that needs radio signals at 2.4GHz. Its speed is 11Mbps. The older computers use radio signals at data rate of 2Mbps and 900MHz. Bluetooth specifies a wireless LAN for short places. It needs shared medium and radio signals instead of coaxial cable.
LIMITED CONNECTIVITY WITH WIRELESS:
In contrast with wired LANs, not all methods can be able to reach each other.Because:
This is given in the figure below:
every time i connect to WIFI the UC goes directly to 100% then i doesn''t want to come down. what shall i do ?
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a. PKI and PGP are two methods for generating and managing public keys for use in protocols such as secure email. Compare and contrast the trust models for public keys used in PKI
#ON A lan wher r ip datagrams transported?
Problem (a) As a forensic investigator, you are needed to trace the source of an email. It is suspected that the email header has been forged. Show how you would proceed to
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COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
Risk Management Discussion Points Organizations should define level of risk it can live with Risk appetite: it defines quantity and nature of risk which organizations are wil
Question: a) Explain what you understand by the term brute force attack, giving an example of such an attack b) Briefly outline the concept of Caesar cipher and identify a
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