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TCP does require some overhead. This overhead is used to fulfill several useful functions, such as ensuring that all data is sent, but the overhead has its "costs" with respect to efficiency. In cases where reliability is less important than speed, other alternatives (often based on UDP) are used.
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When more than one application is running on a server how does IP know which service should be presented a data packet?
The port number lets IP know which service should be presented a data packet.
How does IP know which service should be presented a data packet when more than one application is running on a server?
By the Port Number
Why do you need to collect more data to obtain reliable data?
The more data you have, the more accurate your information. If you have a large amount of evidence of one result, it makes it look correct.
What is a unit of data consisting of one or more characters?
field
What do you call the chart that shows the proportions of how one or more data elements relate to another data element?
XY Chart
Is more efficient than TCP for carrying messages that fit within one data packet?
UDP
What is the packet data unit?
Probably one packet.
When more than one application is running on a server how does IP know which service should be presented a data packet?
The port number lets IP know which service should be presented a data packet.
What is the term used to describe a discrete unit of data that is sent from one node to another over the network?
Packet
What is data broadcasting in terms of a LAN?
A broadcast packet is sent and received by all systems on a LAN; it can contain any kind of data. The more broadcasting that a LAN does, the slower it will be overall since every device has to read the packet.
How does IP know which service should be presented a data packet when more than one application is running on a server?
By the Port Number
The term bit is the combination of what two words?
The term "bit" is short for one data packet. A "byte" is 8 data "bits".
Explain the difference between a PDU and a datagram?
A PDU (Protocol Data Unit) is defined by which layer it is in. In the physical layer and network layer, it is synonymous with the packet, in the data link layer, it is the frame. In the transport layer, it is a datagram for UDP. A datagram holds one or more PDU's, as it is the basic unit of transferring information via packet switching.
What is Integrated Check Vector?
Integrated Check Vector (ICV) is a cryptographic checksum used in network communication to verify the integrity of data packets. It is appended at the end of a packet and is calculated based on the payload data using a specific algorithm. When a packet is received, the receiver calculates its own ICV and compares it to the one included in the packet to ensure that the data has not been altered during transmission.
What is packet?
In computer networking, a packet is a segment of data that is sent over a network from one device, including a computer, to another device. It contains the size, data, type, source. and destination that helps it get to the right destination.
What is the term used to describe a discret unit of data that is sent from one node to another over the network?
a packet
Why do organisations use computer databases?
Every organization of more than tiny size creates and uses scads of data. A database is one of the most efficient methods of storing, maintaining and retrieving data
