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What is Multi-mode fiber
Multi-mode fiber uses LEDs like the light-generating devices while single-mode fiber generally uses lasers.
FDDI specifies the utilization of dual rings for physical connections. Traffic on every ring travels in opposite directions.
Physically the rings contain two or more point-to-point connections between adjacent stations.
Describe Concept of Simplex, Half Duplex and Full Duplex dialogs?
FDDI Media FDDI signifies a 100 Mbps token-passing dual-ring LAN that uses a fiber-optic transmission medium. Even though it operates at faster speeds FDDI is similar to Tok
Describe in detail with example how data fragmentation works?
Single-cell wireless LAN All of the wireless end systems are within range of a single control module. Multiple-cell wireless LAN: there are many control modules interlinked by
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
The steps of forwarding the packets of information is known routing. The information about receivers is saved in routing tables. Note that several entries have same next hop. It is
Vector-Distance algorithm illustrated in more detail below: Packet switches wait for next update message and they goes by entries in packet. If entry has least path to destinat
What are the Communication tools ? Voice mail ? Email ? Fax ? Video conferencing applications
What are the data units at dissimilar layers of the TCP / IP protocol suite? The data unit formed at the application layer is called a message, at the transport layer the data
Give the types of firewalls Conceptually, there are two types of firewalls: 1. Network Level 2. Application Level Network Level Firewall/Packet Filters The Net
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