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Explain Radio Wave.
Although Radio waves are common and well understood, we are just starting to realize their enormous potential as a networking medium. Radio waves can operate on a single or multiple frequency bands.
Question : a) Give three examples of vulnerable services which are among the overwhelming majority of successful attacks. b) Name the five outside sources which can be the
Question 1 This question concerns the main security goals (confidentiality, integrity, availability). Describe a situation which provides the goal of confidentiality but does not
Determine about the TCP/IP and OSI model Both models are based on the layered protocols. Both comprise network, transport and application layer. In both the models, transport s
Explain the term- Encryption Because all of the user traffic, as well as control traffic, is digitized in second generation systems, it is a relatively simple matter to encrypt
What Automatic Repeat Request (ARQ)? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in tr
Thicknet Characteristics It Supports transmission rates up to 10 Mbps in Baseband mode Less expensive in comparison of fiber-optic cable however more expensive than ot
IEEE 802.3 frame format
Can you describe the concept of DHCP?
Q. Describe about Packet Switching? Packet Switching - Data are transmitted in separate units - Called Packet - Packets are variable length blocks - The max leng
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
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