What are some key issues that you must address when considering data backup and recovery?
What will be an ideal response?
The cornerstone of business data protection is a backup policy, which contains detailed instructions and procedures for all backups. The backup policy should specify backup media, schedules, and retention periods. An effective backup policy can help assure continued business operations, and in some cases, be the key to a firm’s survival. In addition to backing up critical business data, some companies have taken a more dramatic step by establishing a hot site. A hot site is a separate IT location, which might be in another state or even another country that can support critical business systems in the event of a power outage, system crash, or physical catastrophe.
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A program is a(n) __________ of __________ to be carried out by a computer.
Fill in the blank(s) with correct word
Using the Hotel schema given at the start of the Exercises at the end of Chapter 4, determine whether the following queries are semantically correct:
(a) SELECT r.type, r.price FROM Room r, Hotel h WHERE r.hotel_number = h.hotel_number AND h.hotel_name = ‘Grosvenor Hotel’ AND r.type > 100; (b) SELECT g.guestNo, g.name FROM Hotel h, Booking b, Guest g WHERE h.hotelNo = b.hotelNo AND h.hName = ‘Grosvenor Hotel’; (c) SELECT r.roomNo, h.hotelNo FROM Hotel h, Booking b, Room r WHERE h.hotelNo = b.hotelNo AND h.hotelNo = ‘H21’ AND b.roomNo = r.roomNo AND type = ‘S’ AND b.hotelNo = ‘H22’;
A P2P network needs network operating system software installed on every node
Indicate whether the statement is true or false
The set of coordinating colors applied to backgrounds, objects, and text in a presentation is called:
A. Theme colors B. Colors set C. Color palette