Computer Networking Final Exam
Questions and Answers Latest Versions
(2025/2026) (Complete and Accurate)
Medium Earth Orbit (MEO) Satellites provide communication at the North and South Poles. -
✔✔True
High frequency radio waves follow the earth's curvature and can be blocked by uneven terrain.
- ✔✔False
Which of the following is a media that does not use light energy to carry information? -
✔✔radio waves
Optical fiber has several properties that make it more desirable than copper wiring. These
advantages include all except - ✔✔lower overall cost.
Random electromagnetic radiation is called ______________ .
shielding - ✔✔noise
Two broad classes are used to distinguished between physical media (such as copper wiring or
optical fibers) that provide a specific path and radio transmissions that travel in all directions
through space. These terms are _______________________ and ______________________ . -
✔✔guided, unguided
Geostationary Earth Orbit (GEO) Satellites remains in exactly the same location over the
earth's surface at all times when positioned above the equator. - ✔✔True
, Low Earth Orbit Satellites are defined as orbiting up to 2000 Kilometers, having a short
propagation delay, and easy to track. - ✔✔False
The most widely used form of light energy medium is fiber optics. - ✔✔True
Cladding is bonded to the optical fiber to help prevent breakage when the fiber is twisted
or bent. - ✔✔False
Behavior of LightA substance called cladding is bonded to the fiber to form a boundary; as
light travel along, light is reflected off the boundary.
Broadband technologies include all the following except - ✔✔dialup telephone connections.
The system designed to provide steady bit flow for applications that use voice or video is
known as _______________ transmission. - ✔✔isochronous
Match the mode of communication with the type of communication channel -
✔✔walkie-talkies and ham radios
-half-duplex
cell phones, Skype, and telephone land lines
-full-duplex
radios and televisions
-simplex
In the US, a digital circuit leased from a telephone company follows the same digital
transmission standards that the phone company uses to transport digital phone calls and are
referred to as the T-series standards. - ✔✔True
Because it uses frequency division multiplexing, ADSL and traditional analog phone
service (POTS) can use the same wires simultaneously. - ✔✔True
Questions and Answers Latest Versions
(2025/2026) (Complete and Accurate)
Medium Earth Orbit (MEO) Satellites provide communication at the North and South Poles. -
✔✔True
High frequency radio waves follow the earth's curvature and can be blocked by uneven terrain.
- ✔✔False
Which of the following is a media that does not use light energy to carry information? -
✔✔radio waves
Optical fiber has several properties that make it more desirable than copper wiring. These
advantages include all except - ✔✔lower overall cost.
Random electromagnetic radiation is called ______________ .
shielding - ✔✔noise
Two broad classes are used to distinguished between physical media (such as copper wiring or
optical fibers) that provide a specific path and radio transmissions that travel in all directions
through space. These terms are _______________________ and ______________________ . -
✔✔guided, unguided
Geostationary Earth Orbit (GEO) Satellites remains in exactly the same location over the
earth's surface at all times when positioned above the equator. - ✔✔True
, Low Earth Orbit Satellites are defined as orbiting up to 2000 Kilometers, having a short
propagation delay, and easy to track. - ✔✔False
The most widely used form of light energy medium is fiber optics. - ✔✔True
Cladding is bonded to the optical fiber to help prevent breakage when the fiber is twisted
or bent. - ✔✔False
Behavior of LightA substance called cladding is bonded to the fiber to form a boundary; as
light travel along, light is reflected off the boundary.
Broadband technologies include all the following except - ✔✔dialup telephone connections.
The system designed to provide steady bit flow for applications that use voice or video is
known as _______________ transmission. - ✔✔isochronous
Match the mode of communication with the type of communication channel -
✔✔walkie-talkies and ham radios
-half-duplex
cell phones, Skype, and telephone land lines
-full-duplex
radios and televisions
-simplex
In the US, a digital circuit leased from a telephone company follows the same digital
transmission standards that the phone company uses to transport digital phone calls and are
referred to as the T-series standards. - ✔✔True
Because it uses frequency division multiplexing, ADSL and traditional analog phone
service (POTS) can use the same wires simultaneously. - ✔✔True
