It is called social networking.
Answer:
Is there an early pay discount?
Explanation:
This determines and instructs what path the code should take,
if there is no early pay discount, it has different instructions to follow.
a. True This is because it covers only a short distance and allows sharing of data between short distances(PAN)
Answer:
Data link layer enables the receiving node to send an acknowledgement.
Explanation:
The data link has following function;
1 it send the acknowledgement to the node because for the reliable transmission.
2.Data link layer provides the interface to the network layer.
3.it regulate the flow of data.
4.It control the transmission error.
The important function of data link layer it created packets of the data to send the packets in guarantee manner for giving the acknowledgement to the node that data is received successfully.