EESTX 108 MIDTERM EXAM QUESTIONS AND FULLY
CORRECT ANSWERS
Fiber optics traces its roots back to the - ANSWER 19th century
The cladding effectively contains - ANSWER light
What are the two main factors when setting fiber optic cable? - ANSWER
Amount of information and distance
Optical fibers have two main sections - ANSWER core and cladding
Fiber optic systems are efficient but not - ANSWER 100% efficient
A ray traveling a straight path will lose ____ than a ray reflected side to side -
ANSWER Faster
Single mode fibers operate at significantly ____data rates - ANSWER Higher
The appeal of fiber optics to telecommunications is ___ and ___ - ANSWER
Large bandwidth, highspeed transmission
Number of modes supported supported by a fiber is - ANSWER 100,000
What's faster 5g or fiber? - ANSWER fiber
When did Jean BL prove refraction of light was cause by a change in the
propagation velocity - ANSWER 1850
Fusion splicing is the correct term for joining fiber optics together? - ANSWER
True
The framing bit added to a DS-1 signal, makes the T-1 have a bit rate of
1.544Mbps
, When converting analog voice into digital voice, during PCM coding, the
analog voice signal is sampled ____ times per second
8,000
The type of telephone service that is not switched from telephone switches to
subscribers but users routers to route digital voice packets is called ____
voice over internet protocol [VoIP]
The term "naked DSL" refers to DSL services that are provided ______
without dial tone
When two consecutive bits of a T-1 signal are 1s, it is known as a[n]
bipolar
The type of switching system that always has immediate access to the local
exchange switch lines is the:
private branch exchange [PBX}
The preferred type of connection between a PBX and a local exchange switch is
ground-start
The type of dialing system that is more compatible with an electronic switching
system is [ESS] is
Touch-Tone
E&M signaling is used
between telephone switches to indicate idle or busy status
Telephone lines that interconnect telephone switches are called
tie lines or trunks
The individual hardwired telephone line that connects a subscriber to the
servicing telephone company [Telco] central office [CO] switch or switching
system is called a
local subscriber loop
CORRECT ANSWERS
Fiber optics traces its roots back to the - ANSWER 19th century
The cladding effectively contains - ANSWER light
What are the two main factors when setting fiber optic cable? - ANSWER
Amount of information and distance
Optical fibers have two main sections - ANSWER core and cladding
Fiber optic systems are efficient but not - ANSWER 100% efficient
A ray traveling a straight path will lose ____ than a ray reflected side to side -
ANSWER Faster
Single mode fibers operate at significantly ____data rates - ANSWER Higher
The appeal of fiber optics to telecommunications is ___ and ___ - ANSWER
Large bandwidth, highspeed transmission
Number of modes supported supported by a fiber is - ANSWER 100,000
What's faster 5g or fiber? - ANSWER fiber
When did Jean BL prove refraction of light was cause by a change in the
propagation velocity - ANSWER 1850
Fusion splicing is the correct term for joining fiber optics together? - ANSWER
True
The framing bit added to a DS-1 signal, makes the T-1 have a bit rate of
1.544Mbps
, When converting analog voice into digital voice, during PCM coding, the
analog voice signal is sampled ____ times per second
8,000
The type of telephone service that is not switched from telephone switches to
subscribers but users routers to route digital voice packets is called ____
voice over internet protocol [VoIP]
The term "naked DSL" refers to DSL services that are provided ______
without dial tone
When two consecutive bits of a T-1 signal are 1s, it is known as a[n]
bipolar
The type of switching system that always has immediate access to the local
exchange switch lines is the:
private branch exchange [PBX}
The preferred type of connection between a PBX and a local exchange switch is
ground-start
The type of dialing system that is more compatible with an electronic switching
system is [ESS] is
Touch-Tone
E&M signaling is used
between telephone switches to indicate idle or busy status
Telephone lines that interconnect telephone switches are called
tie lines or trunks
The individual hardwired telephone line that connects a subscriber to the
servicing telephone company [Telco] central office [CO] switch or switching
system is called a
local subscriber loop
