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Ring: It is a simple linear array where end nodes are associated. It is equal to a mesh with wrap around connections. The data transfer in a ring is generally one direction. So, one disadvantages to this network is that some data transfer can necessitate N/2 links to be travelled (such as nodes 1 & 2) where N is total number of nodes.
Figure: Ring network
Error control in TCP-duplicate & out-of-order segment- Duplicate segment - The destination TCP merely discards the segment Out-of-order segment - Not acknowledged unt
Wideband Digital Cross Connects A SONET cross connect accepts various optical carries rates accesses the STS signals and switches at this level . it is idally used at
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
ARP(ADDRESS RESOLUTION PROTOCOL) is a network layer protocol which associates the physical hardware address of a network node(commonly called as a MAC ADDRESS) to its ip address. n
What is a pointer and does Java support pointers? Pointer is a reference handle to a memory location. Improper handling of pointers leads to memory leaks and reliability issues
Assume that a user wants to download from a server a web page that references 3 objects. The base page and each of the objects are of the same size that requires 20 ms transmission
Link Layer To move to packet from one node( host or packet swtich0 to net node in the route the network layer relies on the services of the link layer. Particularl
1. Write a critical analysis of the client/server vs. service architecture method for developing service architectures. You must explain what the client/server method is in terms
What is LRC? In LRC, a block of bits is separated into rows and a redundant row of bits is added to the whole block. It can detect burst errors. If two bits in one data unit ar
Networks Edge and Technologies Network Edge provides information exchange between the access network and the core network. The devices and facilities in the network
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