Many computer commands move data from one file to another or from one storage device to another. This is referred to as moving the data from the source to the destination (or target). The term is also used as an adjective, as in destination file or destination device.
So basically where every your moving your file or etc... too is the destination device.
traceroute [destination]
yes
The destination MAC is before the source one for easier scanning, mostly because it is the destination device that is important as that is the device we are trying to reach.
A server Is an end device. A server, is innately is either a source or destination device, which is, by definition an end device
router
Coding and conversion of Application layer data to ensure that data from the source device can be interpreted by the appropriate application on the destination device. Compression of the data in a manner that can be decompressed by the destination device. Encryption of the data for transmission and the decryption of data upon receipt by the destination.
In a packet-switched data network, what is used to reassemble the packets in the correct order at the destination device?
The default gateway/the roouter which you are connected to.
switch
A router connects multiple computers together and transmits data to its correct destination on a network.
A unicast message is a message directed to a specific device on a network (just one specific device). It would have a destination IP address that corresponds to that device.
subnet mask destination IP address