Cisco NE Module 4 - Build a simple network Flashcards
Which of the following is NOT a criterion for choosing a network media?
a) The type of data that can be transmitted
b) The maximum distance that the media can successfully carry a signal.
c) The cost of installing the media.
d) The environment in which the media is installed.
a) The type of data
What is the most common type of wired media used by TV companies to connect and carry signals to a set-top box within a home?
a) twisted-pair cable
b) coaxial cable
c) fibre-optic cable
b) coaxial cable
Which type of wired media is used to carry digital information at very high speeds over long distances?
a) twisted-pair cable
b) coaxial cable
c) fibre-optic cable
c) Fibre-optic
Which is the most common type of wired media to connect end devices to an Ethernet LAN?
a) twisted-pair cable
b) coaxial cable
c) fibre-optic cable
a) twisted-pair cable
UTP twisted-pair cable, most commonly used in America.
What does the ‘U’ stand for?
Which type is commonly used in Europe?
Unshielded
STP twisted-pair cable (shielded)
Ethernet Cabling
A type of interference that occurs when cables are bundled together for long lengths is known as:
a) crosstalk
b) cross-interference
c) bundled-interference
d) crosscheck
a) crosstalk
What type of Ethernet twisted-pair cable may be required when the electrical environment has strong EMI and RFI interference?
a) UTP
b) STP
c) fibre-optic
d) coaxial
b) STP
Which of the following is the most common type of connector used to terminate twisted-pair cabling?
a) RJ-10
b) RJ-11
c) RJ-41
d) RJ-45
d) RJ-45
Name 3 reasons why twisted-pair cables have largely replace coaxial cables traditionally used in homes to connect TVs, phones, etc?
- Coaxial cable are more expensive
- Physically harder to install
- Harder to troubleshoot.
Coaxial and fibre-optic cabling
Which of the following is an advantage of coaxial cable compared to UTP?
a) easier to install
b) less expensive
c) improved data carrying characteristics
d) easier to troubleshoot
c) improved data carrying characteristics
Which type of cabling is immune to RFI and EFI?
a) coaxial
b) UTP
c) STP
d) fibre-optic
d) fibre-optic
Twisted-Pair Operation
Which organization defines the two different patterns, or wiring schemes, called T568A and T568B?
a) TIA/EIA
b) TCP/IP
c) IEEE
d) IETF
a) TIA/EIA
Directly connecting like-devices, such as two computers, requires what type of UTP Ethernet cable?
a) crossover
b) straight-through
c) STP
d) CAT 3
a) crossover
Connecting unlike-devices, such as a computer to an Ethernet switch, requires what type of UTP Ethernet cable?
a) crossover
b) straight-through
c) STP
d) CAT 3
b) straight-through
