The limitation of the LSA is that it incurs significant communication and processing cost.

The limitation of the LSA is that it incurs significant communication and processing cost. A: 正确 B: 错误

He ( )his<br/>victims like a hunter after a deer. A: stalks B: incurs C: terminates D: boycotts

It really ______ me when he doesn’t help around the house. A: satirizes B: mocks C: incurs D: irritates

Which statements are true regarding table compression？（） A:  It saves disk space and reduces memory usage. B:  It saves disk space but has no effect on memory usage. C:  It incurs extra CPU overhead during DML as well as direct loading operations. D:  It incurs extra CPU overhead during DML but not direct loading operations. E:  It requires uncompress operation during I/ F:

Which statements are true regarding table compression？（） A: A It saves disk space and reduces memory usage. B: B It saves disk space but has no effect on memory usage. C: C It incurs extra CPU overhead during DML as well as direct loading operations. D: D It incurs extra CPU overhead during DML but not direct loading operations. E: E It requires uncompress operation during I/O.

In the long run Firm A incurs total costs of $1,200 when output is 30 units and $1,600 when output is 40 units. Firm A exhibits_________. A: constant returns to scale because average total cost is constant as output rises B: diseconomies of scale because total cost is rising as output rises C: economies of scale because average total cost is falling as output rises D: diseconomies of scale because average total cost is rising as output rises