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What is packet ratio?
the ratio of the number of delivered data packet to the destination. This illustrates the level of delivered data to the destination.∑ Number of packet receive / ∑ Number of packet send
A number produced by a mathematical calculation on a packet at its source and checked against the same salculation at the destination?
Some transport companies are enabling customers to see how far the packet is along the delivery chain. This is done with a bar coded Tracking Number
Sequence the steps in the Port Address translation process?
1. The internal IP address is replaced with the PAT devices's IP address in the request packets source field. 2. A port number is assigned to the connection by the PAT device. 3.The packet is forwarded to the external network. 4. The packet's information is entered into the PAT device's translation table so that all packets sent from the same connection can be translated to that port number.
What allows an FTP server to keep track of connections from multiple clients to the FTP service?
The packet header source IP address and TCP header source port number
What kind of information can be found using a packet sniffer?
Ethernet Frame Type TCP Sequence Number Source IP Address
What is a source port number?
Source Port number is the unique application identification number of the service/application at sender side which sending data to the receiver. Using this source port number the receiver thus can identify which service/application has send this packet and to which application/service the receir should reply to if necessary. -- By MyNarutoAnime ----
What is the difference between end-to-end delay and packet jitter?
End-to-end delay is the time it takes a packet to travel across the network from source to destination. Delay jitter is the fluctuation of end-to-end delay from packet to the next packet.
Where are ports recorded in an ip based packet?
It's recorded at the top of the IP packet header. 16 bit source and destination port.
On a Cisco router x IP lists check source packet addresses while y IP access lists check for both source and destination packet addresses?
x -> standard y -> extended
What is packet marking?
If we are sending a file in one go and if some error occurred in between the file transfer then the complete file has to be resend which wastes the bandwidth so to prevent this, the file to send is divided in to smaller unit which we call packet, and then send packets 1 by one so that if a packet is lost then we need to send only that particular packet not the complete file. As the packet reaches its destination, the destination source send acknowledgement to the sender that the packet has reached to it and it may send the next packet and if packet somehow lost before reaching to the destination source, then the sender itself resends the packet after a fixed amount of time.
What is the definition of packet marking in networking?
If we are sending a file in one go and if some error occurred in between the file transfer then the complete file has to be resend which wastes the bandwidth so to prevent this, the file to send is divided in to smaller unit which we call packet, and then send packets 1 by one so that if a packet is lost then we need to send only that particular packet not the complete file. As the packet reaches its destination, the destination source send acknowledgement to the sender that the packet has reached to it and it may send the next packet and if packet somehow lost before reaching to the destination source, then the sender itself resends the packet after a fixed amount of time.
What is packet fragmentation?
If a device receives a packet which is larger than it is set to forward, it will split the packet and pad the part packet with zeros. This increases the number of packets transmitted on the next hop.
