Question
Distinguish between LAN and WAN.
WAN - On the other hand, network spread across countries are known as Wide Area Network. It is a group
of servers that are separated by large distances and tied together. For example Internet.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Table: Product
| Pno | Name | Qty | PurchaseDate |
| 101 | Pen | 102 | 12-12-2011 |
| 102 | Pencil | 201 | 21-02-2013 |
| 103 | Eraser | 90 | 09-08-2010 |
| 109 | Sharpener | 90 | 31-08-2012 |
| 113 | Clips | 900 | 12-12-2011 |
(a) Write the names of most appropriate columns, that can be considered as candidate keys.
(b) What is the degree and cardinality of the above table?
(a) Stealing a mouse from someone’s computer.
(b) Operating someone’s Internet account, without his knowledge.
(c) Entering in someone’s computer remotely and copying data, without seeking his permission.