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What is a jam signal
A jam signal is broadcasts to network by the transmitting stations that detected the collision to ensure that all stations know of the collision. Every station will "back off" for a random time.
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
Asynchronous or Statistical Time Division Multiplexing As we have seen synchronous TDM does not guarantee that the full capacity of a link in sued. In fact it is more like
Write an HTML program segment that contains hypertext links from one document to another.
Explain the technique- Backpressure This technique produces an effect same to backpressure in fluids flowing down a pipe. It includes link-by-link use of flow control in a dire
HEADERS AND FRAME FORMAT: LAN technology standards describe frame format for every technology. All contemporary standards use the following basic format. a) Frame header b
Q. What is Topology? - Physical/logical arrangement - Topology of a network is the geometric depiction of the relationship of all the links and linking devices to one anothe
Question: (a) Explain and illustrate different architectures for IEEE802.11 (WiFi). (b) The MAC management of IEEE802.11 handles transmitter activity for power management.
While calculating shortest path, first we assume graph presentation of network at every node then we use Djikstra's algorithm to calculate shortest path from every node to other on
Question 1 Differentiate LAN and WAN Question 2 Explain the TCP/IP Reference Model with diagram Question 3 Describe Circuit switching and message switching Question
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