What happens if you don't resolve enough tickets with help desk job?

Will the employer terminate you? Will they require some sort of training? Given this is entry level work.
Currently reading: Network Warrior, Unix Network Programming by Richard Stevens
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CUCM SRND 9x/10, UCCX SRND 10x, QOS SRND, SIP Trunking Guide, anything contact center related
WGU MS:ISA Completed October 30th 2013.
Depends on the scope of your help desk. Last one I worked we did network connectivity, that's it. My current job is also help desk, we support pretty much everything you can imagine except the network. What you support will determine what your problem calls will be.
WGU MS:ISA Completed October 30th 2013.
Depending on the ticket, some could be gimmes, some could be doozies. The gimmes are expected to be knocked out, and if it is not there might need to be an explanation as to why it was not. The doozies should be updated with what the problem is, see if there is anything in a centralized knowledge-base to see if this had already been addressed (sometimes by you...but it had been awhile since you've dealt with it).
A good help desk manager would review the open tickets daily (typically at the start and/or end of day). He is supposed to know the difference between tickets that are easy and those that are problematic, but that's why it's important to document the tickets...it's CYA.
CWTS, then WireShark