Network ____ is how ____ data is sent through a ____. We need to look at the ____ of the network so that we can give our ____ the best possible experience. There are a number of ____ that affect this. ____ refers to how much ____ is transmitted over a ____. It is measured in ____ per second (bps), ____ per second (kbps) or ____ per second (Mbps). If we have ____ bandwidth we can ____ more data at one time. Bandwidth can depend on the ____ or equipment we use. Bandwidth can be shared between a number of ____ on a network. Having too many people use a network can cause ____. The data ____ have to wait their ____ in order to move onto their ____. Some activities on the network need ____ bandwidth (e.g. ____ videos) and if all users are doing the same thing, this can affect the ____ for everyone. ____ media also has an impact on the performance of a ____. Data can be sent around a network using ____ or ____ connections. Wired ____ cables are commonly used in a ____ as they are reliable and more secure. Wi-Fi can also be used as this allows us to avoid the use of ____. Out of the two transmission media, Ethernet is much ____ with speeds of up to 1000 Mbps, whereas Wi-Fi is much ____. ____ networks usually use telephone cables made of ____. However, ____ cable is increasingly used instead of copper cable. Fibre-optic cable transmits information as ____. It transmits information much ____ than copper wires. ____ loss is small in fibre-optic cables as they are not subject to ____ from other cables. If network traffic is heavy, this can cause transmission ____. This is because data packets can ____. In some cases the data packets can fail to be sent due to errors in the Wi-Fi or because of ____ signals. In other cases the data packet can take a ____ time to get to its destination. ____ measures how much time it takes for the packet to get to its ____.

Network Performance

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