Respuesta :

Answer:

Tier 1 support

Explanation:

Of the given options, tier 1 support technical group is the least experienced group. This group of technicians is also referred to as level 1 technical group.

The tier 1 or level support are made up of junior technician, and they have few technical understandings.

Their roles include email response and basic troubleshooting, attending to phone calls, among others.

When a problem cannot be solved by tier 1 support  technicians, they pass the problem to tier 2 support technicians,