Lock & Key Systems

Question 1

What is the most accepted and widely-used security device?

Answer 1

The lock

Question 2

Locks should not be considered bars to entry, but ___________.

Answer 2

Delay devices

Question 3

Can a key lock be picked?

Answer 3

Yes, by an expert

Question 4

Two downsides to key locks are the possibility of what?

Answer 4

loss

compromise

Question 5

Can a conventional combination lock be picked?

Answer 5

Not picked, but opened by a skillful manipulator

Question 6

If you need a high degree of protection for highly-classified or important material, you should use what kind of combination lock?

Answer 6

Manipulation-resistant combination lock

Question 7

For containers of highly-important items, you’d use what kind of combination lock?

Answer 7

A combo lock with 4 or more tumblers

Question 8

Where can relocking devices be found?

Answer 8

Attached to a safe or vault door

Question 9

Five features of interchangeable cores:

Answer 9

1) quickly replaced
2) can be keyed into overall complete locking system
3) Economical
4) System is flexible
5) Simplified record keeping

Question 10

What is a digital combination door locking device?

Answer 10

A cypher lock

Question 11

What kind of lock offers no security and is the worst selection for security?

Answer 11

Warded locks

Question 12

Wafer locks are also known as

Answer 12

disc tumbler locks

Question 13

What kind of lock is used on most cars, desks and cabinets?

Answer 13

Wafer lock

Question 14

Rank these in order from least to most secure:
Wafer lock
Warded lock
Pin tumbler lock

Answer 14

Warded lock
Wafer lock
Pin tumbler lock

Question 15

What kind of lock is used extensively in commercial, military, and residential security?

Answer 15

Pin tumbler locks

Question 16

What kind of locks are used on safe deposit boxes and are difficult to pick?

Answer 16

Lever locks

Question 17

What kind of lock is opened by pressing a series of numbered buttons in proper sequence?

Answer 17

Code-operated locks

Question 18

What kind of lock uses keys that are etched, embossed, or contain a pattern or copper flecks?

Answer 18

Card operated locks

Question 19

Card operated locks can be either _____________ or ________.

Answer 19

Electrical or electromagnetic

Question 20

What kind of lock holds the door closed by magnetism?

Answer 20

Electromagnetic locks

Question 21

What kind of lock should be hardened and strong enough to resist prying?

Answer 21

Padlocks

Question 22

Padlocks should be ________ at all times, even when not securing an area.

Answer 22

Locked

Question 23

What kind of keying system is a key to a single lock within a master key system?

Answer 23

Change key

Question 24

What kind of keying system is a key which will open all the locks within a particular area in a facility?

Answer 24

Submaster key

Question 25

What kind of keying system is a key which will open all the locks when two or more submaster systems exist?

Answer 25

Master key

Question 26

What kind of keying system is a key that will open everything in a system involving two or more master key groups?

Answer 26

Grand-master key

Question 27

Keys should be accessible only to whom?

Answer 27

Those whose official duties require access

Question 28

How often should combinations to safe locks and padlocks securing containers for classified information be changed?

Answer 28

At least every 12 months

Question 29

When should the combinations to safe locks and padlocks securing containers for classified information be changed early?
1)
2)

Answer 29

1) Loss or possible compromise

2) Discharge, suspension, or reassignment of anyone having knowledge of the combination

Question 30

More frequent rotation of ___________________ may be required in certain circumstances

Answer 30

key padlocks

Question 31

When selecting combination numbers, what should be avoided?

Answer 31

Multiple & simple ascending or descending arithmetical series

Question 32

Use of keys must be based on the same general concept applied to what?

Answer 32

Safe combinations

Question 33

How often should inventories of key systems be conducted?

Answer 33

At least annually

Question 34

When a key is issued, the following should be recorded:
1)
2)
3)
4)
5)

Answer 34

1) Key number
2) Name of person
3) His/her position
4) Date of issuance
5) Any other relevant data

Question 35

When a key is lost, circumstances should be:

Answer 35

investigated & set forth in writing

Question 36

Master keys should be kept at:

Answer 36

a minimum