QUES: Network hardware, software and specifications, as well as the expertise of network management personnel are important in ensuring that data follows the most efficient route, and upstream connections work reliably. A tradeoff between cost and efficiency is possible.[citation needed]

What works unreliably?
What is the answer?
ANS: unanswerable
QUES: In the 1990s, New York City began closing the large, public high schools in the Bronx and replacing them with small high schools. Among the reasons cited for the changes were poor graduation rates and concerns about safety. Schools that have been closed or reduced in size include John F. Kennedy, James Monroe, Taft, Theodore Roosevelt, Adlai Stevenson, Evander Childs, Christopher Columbus, Morris, Walton, and South Bronx High Schools. More recently the City has started phasing out large middle schools, also replacing them with smaller schools.

Which Bronx schools have been closed or made smaller?
What is the answer?
ANS: John F. Kennedy, James Monroe, Taft, Theodore Roosevelt, Adlai Stevenson, Evander Childs, Christopher Columbus, Morris, Walton, and South Bronx High Schools
QUES: Currently, the largest professional wrestling company worldwide is the United States-based WWE, which bought out many smaller regional companies in the late 20th century, as well as its primary US competitors WCW and Extreme Championship Wrestling (ECW) in early 2001. Other prominent professional wrestling companies worldwide include the US-based Total Nonstop Action Wrestling (TNA) and Ring of Honor (ROH), Consejo Mundial de Lucha Libre (CMLL) and Asistencia Asesoría y Administración (AAA) in Mexico, and the Japanese New Japan Pro Wrestling (NJPW), All Japan Pro Wrestling (AJPW), and Pro Wrestling Noah (NOAH) leagues.

What are some other major wrestling companies?
What is the answer?
ANS:
Total Nonstop Action Wrestling (TNA) and Ring of Honor (ROH), Consejo Mundial de Lucha Libre (CMLL) and Asistencia Asesoría y Administración (AAA)