Atandem switch is used to connect two switches together while a class 5 switch interfaces with the individual subscriber and routes the line side traffic onto the trunk side of the switch.

true or false

True

Explanation: Tandem switches are the switches that connects the two switch links togather which can support telephone calls that are circuit-switched .It is also known as class-4 switch.

Class-5 switch is defined as the part of PSTN(Public switched telephone network) and routes the calls in different network and trunk side is invoked with the line side traffic. It also persist the interface which are in the form of leaf-like components .

Thus, the given statement is true.