Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
So how packets do determines their way across the Internet? Does each computer linked to the Internet know where the other computers are? Do packets just get 'broadcast' to every computer on the Internet? The answer to both the preceeding questions is 'no'. No computer knows where any of the other computers are, & packets do not get sent to each computer. The information utilized to get packets to their destinations is contained in routing tables kept through each router linked to the Internet.
Routers are packet switches. Usually a router is linked between networks to route packets between them. Each of the router knows it's sub-networks and which IP addresses they employ. Usually the router doesn't know what IP addresses are 'above' it. Study the figure below. The black boxes linking the backbones are routers.
At the top the larger NSP backbones are linked at a NAP. Under them are many sub-networks, and under them, more sub-networks. At the bottom are two local area networks along computers attached.
Figure: Routes Connecting in Network
While a packet arrives at a router, the router verifies the IP address put there through the IP protocol layer on the originating computer. The router verify it's routing table. If the network having the IP address is found, the packet is sent to that network. If network having the IP address is not found, then on a default route the router sends the packet, usually up the backbone hierarchy to the next router. Optimistically the next router will know where to send the packet. If this does not, again the packet is routed upwards till it reaches a NSP backbone. The routers linked to the NSP backbones hold the largest routing tables & here the packet will be routed to the right backbone, where it will starts its journey 'downward' through smaller and smaller networks till it finds it's destination.
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
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
Q. Explain about line coding? Line Coding Procedure of converting binary data to a digital signal DC Components Residual dc (direct-current) components or
What are the different kinds of OSPF timers?
Configure VTP Pruning on the Switches VTP pruning permits a VTP server to suppress IP broadcast traffic for particular VLANs to switches that do not have any ports in that VLAN
Q. Show the Network Layer Responsibilities? - Source-to-destination delivery it is possibly across multiple networks - Logical addressing - Routing
Explain NetBIOS protocol?
QUESTION 1 (a) Draw a use-case model for the above system. You must identify all possible actors and use-cases. (b) Assume you are using the Rational Unified Process a
Quetion: A photodiode with a dark current of 10 nA has a responsivity of 0.4 A/W at a certain wavelength. What current flows through the photodiode when it is reverse biased an
Normal 0 false false false EN-IN X-NONE X-NONE Application Layer The application layer
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd