"If ABC Inc. sues a competitor for violating its federally registered trademark, what kind of jurisdiction would be involved?"

Federal court.

Explanation:

From the question, we can see that the competitor of the company -- ABC Inc. is the plaintiff that sues its competitor for trademark infringement. ABC inc. has the right to sue its competitor in both state courts and federal court. ABC Inc. can sue the competitor in the state court if the violations of the registered trademark is only done in one state but if it is more than one states, the it will be be the case of a federal court. Furthermore, the trademark was registered Federally, ABC Inc. are definitely going to sue in a federal court.

"quid pro quo" harassment takes place when a supervisor requires sex, sexual favors, or sexual contact from an employee/job candidate as a condition of their employment. only supervisors who have the authority to make tangible employment actions (i.e. hire, fire, promote, can commit "quid pro quo" harassment.