Can you splice CAT5 / CAT6 cables?

Can you splice CAT5 / CAT6 cables?
Field repair of CAT6 computer cable. Cable was connected with wire connectors and then was tested with a LAN cable tester (Qualifier).
This is not the industry standard, however, in an emergency, or other situation the viewer deems appropriate, splicing the cable as shown will work. Ethernet cabling standards are developed to insure that certain performance values are consistently available on the LAN. This is something that you would never do for customer, unless it was a temporary measure and they understood the situation.