Answer:
Because of the newly developed biometric technology, the FBI was able to
quickly identify two suspects.
The blurry photos released by the FBI after the bombing prompted
researchers to improve their early biometric software.
Because biometric technology was unavailable at the time, the Boston
Marathon bomber remains at large.
The Boston Marathon bombing made researchers aware of how biometric
technology is sometimes useless and ineffective.
Explanation:
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:
A. Database Management System
Explanation:
A Database Management System or DBMS is a set of programs that allow the DB administrator to the information extraction, storage and modification out of a database. It also provides tools to add, erase, modify or even analyze the data within the DB. Some examples of DBMS are MySQL, mongo DB, Ms SQL Server, etc.
It's kind of a mix between A and C there are some defragmenting tools that show you how much of your PC is wasted by program files. And in some defragmenting tools, it shows you all the files that are fragmented and gives you the option to defrag them or not. So the best answer would be A.
What levels r right and we can pick from??