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Network layer duties
Internetwork
- Physical and Data link layers are jointly responsible for data delivery on the network from node to node
Q. What is Manchester? - Utilizes an inversion at the middle of each bit interval for both synchronization and bit representation - Negative-to-positive represents binary 1
Control This field defines 6 different control bits or flags. These bits enable flow control connection establishment and termination connection abortion and the mode
Hierarchy of DNS Servers DNS uses a large number of server organized in hierarchical fashion and distribution around the world. No single DNS server has all of the mappin
Question 1 This question concerns the main security goals (confidentiality, integrity, availability). Describe a situation which provides the goal of confidentiality but does not
(i) Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. a) Calculate the efficiency of stop-and-wait ARQ in
Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
Dijkstra Algorithms To calculate its routing table each router applies an algorithm called the dijkstra algorithm to its state database. The dijkstra algorithm calculate
Company Access Company access is that in which end systems are connected in connecting end systems in a organization or educational institution into the network. On co
Error detection and correction The digital traffic stream of second generation systems also lends itself to the use of error detection and correction methods. The result can be
Reverse Address Resolution Protocol is used to get a layer 3 address if the MAC address is called which then facilitates the loading of the O/S.
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