Answer:
Google search operator is also known as advanced operator which extend the various capabilities of the regular type of text searches. It basically contain various types of special characters and the commands.
Google search operator are very useful in the various technical and the content searches. This type of search operator also limits the result in the sites which are indexed with a specific domain and URL (User resource locator). The google search basically allow to use various symbols that are based on the operator.
A function you can perform on a word processor BUT NOT on a typewriter is editing.
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.
