Being effective means meeting the actual goals of a project rather than just doing the project tasks quickly and cheaply.
Answer the following statement true (T) or false (F)
True
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How do SLAs differ from MOUs?
What will be an ideal response?
Calculate the cardinality and minimum cost for each of the following Selection operations:
Using the Hotel schema, assume the following indexes exist: ? a hash index with no overflow on the primary key attributes, roomNo/hotelNo in Room; ? a clustering index on the foreign key attribute hotelNo in Room; ? a B + -tree index on the price attribute in Room; ? a secondary index on the attribute type in Room. nTuples(Room) = 10000 bFactor(Room) = 200 nTuples(Hotel) = 50 bFactor(Hotel) = 40 nTuples(Booking) = 100000 bFactor(Booking) = 60 nDistinct hotelNo (Room) = 50 nDistinct type (Room) = 10 nDistinct price (Room) = 500 min price (Room) = 200 max price (Room) = 50 nLevels hotelNo (I) = 2 nLevels type (I) = 2 nLevels price (I) = 2 nLfBlocks price (I) = 50 S1: ? roomNo=1 ? hotelNo=1 (Room) S2: ? type=‘D’ (Room) S3: ? hotelNo=2 (Room) S4: ? price>100 (Room) S5: ? type=‘S’ ? hotelNo=3 (Room) S6: ? type=‘S’ ? price < 100 (Room)
____ means the process of pushing all the inter-VLAN traffic out a single switch port to the router and then having the traffic routed back to the same switch port to the destination VLAN.
A. Pruning B. Trunking C. Framing D. Router-on-a-stick
Access will calculate exactly what you tell it to calculate, even if you make logical errors in the calculation.
Answer the following statement true (T) or false (F)