Answer:
NAS systems are networked appliances that contain one or more storage drives, often arranged into logical, redundant storage containers or RAID.
Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
C because previous sends you back to something before such as a web page, Next does the opposite and I can't remember what Show MarkUp does.
Hey there!
The correct answer is that it stands for high definition video devices.
hope this helped and have a great day (:
