The Three-Tier model of the database system is（）.
A: Up mode, mode, Down mode
B: Front mode, mode, Rear mode
C: External mode, mode, internal mode
D: Large mode, Medium mode, Small mode
A: Up mode, mode, Down mode
B: Front mode, mode, Rear mode
C: External mode, mode, internal mode
D: Large mode, Medium mode, Small mode
举一反三
- The alarm management mode of DVR (non-manual alarm) includes ( ) A: External contact alarm mode B: External API alarm mode C: VMD alarm mode D: Timing alarm mode
- subtractive color mode refers to A: CMYK mode B: RGB mode C: HSB mode D: LAB mode
- Additive color mode refers to A: RGB mode B: HSB mode C: CMYK mode D: LAB mode
- What is the most common mode for a firewall？（） A: routed mode B: context mode C: bridged mode D: transparent mode E: full security mode
- P mode display A: Program exposure mode B: Aperture priority mode C: Shutter priority mode D: Manual mode