Exam 4: The Public Network

A transmission route between switches is referred to as:

Which of the following is a circuit that is used for voice or data transmission?

What term is used to describe the cabling and equipment located within a carrier's central offices?

Match each statement below with the correct item -A Class 3 central office.

Which of the following refers to the design recommended by cabling standards organizations for uniform, multivendor cabling systems?

A(n) rack is a heavy metal frame designed to hold and keep equipment stable. _________________________

An arrangement in which wires terminating at two sets of punch-down blocks are interconnected is referred to as ____________________.

What term is used to describe the maintenance of a circuit between a caller and the called party?

Which of the following is a technique in which signals between switches are communicated over a separate path on the network from that which is used by voice signals use?

Service area interface is a method of organizing outside plant in sub-urban and urban areas according to a distribution scheme.

A(n) conduit is a thick tube in which cables are housed to remain protected from environmental damage. _________________________

Does the term out-of-band signaling refer to the condition of a line after a subscriber has lifted the handset?

Which of the following is a Class 3 central office?

The NXX number is a prefix that represents a line's central office prefix.

Match each statement below with the correct item -A carrier's facility, where they typically have either a switch or router to connect a network.

Demarc boxes prevent both unauthorized tampering and environmental damage to the network interface device.

Match each statement below with the correct item -A device attached to incoming LEC lines at the network interface that prevents a customer's telephone equipment from being damaged in case excessive current affects the line.

Does the term inside plant refer to the cabling and equipment located within a carrier's central offices?

Does the term point of presence refer to an array of small metallic clips that accept wire terminations?

Which of the following refers to the determination of the path that a call's circuit will travel in order to be completed?