At Checkpoint Time

question 55

Multiple Choice

At checkpoint time:

• A) Log buffers are force written
• B) Undo operations take place
• C) Redo operations take place
• D) Disk backup takes place

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Definitions:

Axle Grease

A thick, viscous lubricant applied to the axles of vehicles to reduce friction and wear between moving parts.

Oscillating Bolster

A structural component on rail vehicles or trailers that supports the load and allows for pivoting or oscillation to accommodate uneven terrain.

High Rigidity

A characteristic of materials or structures that resist deformation under load, ensuring stability and durability.

Monocoque

Frame design in which all the shell components form the frame; many automobiles and most van trailers use a monocoque principle. This means that the van floor, roof, bulkhead, doors, and sidewalls collectively compose the frame assembly. Also known as unibody design.