What is the difference between the Scale command from the command Zoom

(a)

Scale for single object, while the Zoom whole plan

(b)

No difference

(c)

H Scale can grow / shrink a shape up 10 times, while the Zoom has no limits

(d)

H Scale changes the size of objects, while the Zoom changes the visibility of the project

When to fix a block attribute

(a)

Before you fix the block

(b)

When I make the block

(c)

After fix the block

(d)

No matter the number

What you cannot create from the command Offset

(a)

Vertical straight

(b)

Concentric circles

(c)

Three parallel lines

(d)

Parallel arcs

By what symbol shows the snap point to the closest point

(a)

with circles and dots in the center

(b)

With two triangle

(c)

With three orthogonal

(d)

With Diamond

Which state grid is use to design perspective

(a)

Parametric

(b)

Isometric

(c)

Pro-optic

(d)

Rectangular