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What is Stop-and-Wait Protocol?
In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends the next frame.
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
Carrier Sense Multiple Access/Collision Avoidance a) Necessary since wireless LANs cannot implement CSMA/CD b) Collision detection requires increased bandwidth requirements
Perform Basic Switch Configurations Step 1: Cable a network that is similar to the one in the topology diagram. You can use any current switch in your lab as long as it has
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
Q. What are the Local Network Security Issues? Local Network Security Issues Password Protection - Encrypted username & password Group/Owner ID's - File Permissi
Distributed systems are composed of a number of physically separate machines connected by one or more communication links. Unlike parallel systems, there's no shared clock or memor
What is a Management Information Base (MIB)? A Management Information Base is part of each SNMP-managed device. Every SNMP agent has the MIB database that having information ab
ACK Received If an ACK is received by the sender. The SR sender marks that packet as having been received by the receiver.
Wireless Phone Company (WLPC) is a provider of wireless phone service in the US with 100,000 customers serving mostly small markets. WLPC has just purchased additional airwaves in
Explain what is digital certificate?
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