Exam 3: Transmission Basics and Networking Media

Describe the benefits of fiber-optic cabling over copper cabling.

MATCHING Match each item with a statement below: a.bit f.populated segment b.modulation g.unpopulated segment c.baseband h.broadband d.EMI (electromagnetic interference) i.nonbroadcast e.broadcast -Technology used to modify analog signals to make them suitable for carrying data over a communication path.

____________________ is a term used by networking professionals to describe the nondata information that must accompany data for a signal to be properly routed and interpreted by the network.

The strength of an electrical signal is directly proportional to its frequency.

Ethernet is an example of a baseband system found on many LANs.

Explain the makeup of coaxial cable.

Which term describes the hardware that makes up the enterprise-wide cabling system?

Modulation can be used to make a signal conform to a specific pathway.

Which term identifies a room containing connectivity for groups of workstations in its area?

Many network problems can be traced to poor cable ____ techniques.

MATCHING Match each item with a statement below: a.bit f.populated segment b.modulation g.unpopulated segment c.baseband h.broadband d.EMI (electromagnetic interference) i.nonbroadcast e.broadcast -A form of transmission in which signals are modulated as radio frequency (RF)analog waves that use different frequency ranges.

The use of 1s and 0s to represent information is characteristic of a(n)____________________ system.

MATCHING Match each item with a statement below: a.bit f.populated segment b.modulation g.unpopulated segment c.baseband h.broadband d.EMI (electromagnetic interference) i.nonbroadcast e.broadcast -Transmission that involves one transmitter and multiple,undefined receivers.

The most significant factor in choosing a transmission method is its ____.

Describe two benefits of digital signaling that make it worthwhile even though extra signaling pulses are involved.

Describe variables that may influence the final cost of implementing a certain type of media.

A digital signal composed of a pulse of positive voltage represents a ____.

When signals are free to travel in both directions over a medium simultaneously,the transmission is considered ____.

Explain how half-duplex transmissions work.

MATCHING Match each item with a statement below: a.bit f.populated segment b.modulation g.unpopulated segment c.baseband h.broadband d.EMI (electromagnetic interference) i.nonbroadcast e.broadcast -Part of a network that contains end nodes.