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Explain IBM's SNA Architecture
SNA is a computer networking architecture that was formed by IBM to give a network structure for IBM mainframe, midrange, and personal computer systems. SNA explains a set of proprietary communication protocols and message formats for the exchange and management of data on IBM host networks.
Deadlock Avoidance To avoid deadlocks two types of strategies are used: 1) Static prevention: It uses V and P operators and Semaphores to allocate and deallocate shared res
Can you describe Application layer in OSI model?
What are the five major network services? Major Network Services are: a. File Services b. Message Services c. Print Services d. Application Services e. Datab
Firewall The NAT router allows receiving of number of a data streams. If it receives a transmission in the form of acknowledgement or data streams or error responses from an ex
A mobile host (MH) is connected to a WLAN access network that uses MIP for mobility support. Consider that the RTTs between MH and HA are 0.3s while RTTs within a L2 subnet are 80
Q. How can data to be exchanged between Networks? Internetwork Links in an internetwork
Fiber Optic Cable A fiber optic cable is made of glass or plastic and transmits signals in the form of light pulses. An optical fiber is a thin flexible medium conducts
UPD is a layer 4 Transport protocol. It is connection-less due to it does establish a connection thus the 3 step handshake is not needed, it does NOT execute any flow control or ac
Can you describe what a FIREWALL is?
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