Cisco Exam Questions

When should an antistatic wrist strap should be worn?

When should an antistatic wrist strap should be worn?

A.
when using the crimping tool with an integrated wire cutter and wire stripper

B.
when inserting a loopback plug into a router interface

C.
when using a flash card reader to copy Cisco IOS images

D.
when installing or uninstalling Cisco devices or electronics