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.
Answer: E. class, objects
Explanation:
<em>A </em><em><u>class</u></em><em> is the blueprint for </em><em><u>objects</u></em><em> having similar attributes.</em>
As much as classifying something means to define it based on the characteristics that is has that are similar to other things in that class, so also is a class here.
A class is the blueprint or rather template for making objects that have similar attributes which means that the class therefore gives the object its various attributes and its behavior.
