INV L2 Comprehensive Study Guide With Complete Correct Answers.
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Course
INV.
Institution
INV.
Ethernet was invented and documented in _____. - correct answer 1973
What is the basic version of Ethernet called? - correct answer IEEE 802.3
Ethernet only uses twisted pair copper as its transfer med...
Ethernet was invented and documented in _____. - correct answer 1973
What is the basic version of Ethernet called? - correct answer IEEE 802.3
Ethernet only uses twisted pair copper as its transfer medium. - correct answer
False
Although 10 megabit Ethernet exists in legacy installations, it is not feasible for network video
installations because _____. - correct answer the speed is too slow for network
camera use
What type of cable is CAT-7? - correct answer S/FTP
What cable type supports speeds up to 500 megahertz? - correct answer CAT-
6a
Which fiber optic cable type is used for long distance high bandwidth applications? - correct answer
OS1
Which fiber optic connector is the most popular for network installations? - correct answer
LC
What are the parts of a frame of data? - correct answer Header, data,
checksum
Which data transmission scheme allows for data to be transmitted and received simultaneously? -
correct answer Full duplex
, What is the function of a hub in a network topology? - correct answer To
repeat every message to every node it is connected to
Network firewalls are strictly a hardware device used to prevent unauthorized access into a protected
network. - correct answer False
Which internet connection technology allows for upload speeds that are equal to the download speed? -
correct answer T1
To use the same cable to connect a device using Ethernet, as well as PoE, what is the minimum category
cable that can be used? - correct answer CAT-5
What are the options to connect a PoE network camera to a standard or non-PoE network switch? -
correct answer Midspan device
What is the purpose of using a VLAN? - correct answer To separate network
users into logical groups
Which standard specifies 10 gigabits through twisted-pair cable? - correct answer
802.3an
What is the core size of single mode fiber? - correct answer 9 microns
What is the jacket color of OM3 multimode fiber? - correct answer Aqua
Who was the first person to transmit Morse Code using a wireless transmission? - correct answer
Guglielmo Marconi
What is the government agency that regulates wireless frequencies? - correct answer
FCC
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