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a) Used for sending e-mail.
b) Uses port 25.
Q Illustrate Unipolar line coding? - Simplest method is inexpensive - Utilizes only one voltage level - Polarity is habitually assigned to binary 1 a 0 is represented by
Question 1: a) Give three examples of Shells in Linux. b) Differentiate between the Join command and the Paste command in Linux, use an example to support your answer.
A typical layer 2 switch has a number of features. Identify and explain 5 features that you think are important that you would consider in your evaluation of L2 switches offered b
Network Layer The internet network layer is responsible for moving network layer packets known data grams from one host to another. The internet transport layer pro
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
Torus: The mesh network with wrap around connections is termed as Tours Network. Figure: Torus network
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
Unbound Transmission Media Unbound transmission media extend beyond the limiting confines of cabling. They give a good communication alternative for WANS. The lack of physical
What is a LAN? A LAN is a Local Area Network, within a single building or a specific confined space. LANs typically comprise only one transmission media type like coaxial cable
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