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WorksheetsQUIZ 2 - DFC20143 (ITN) June 2020
Total questions: 10
Worksheet time: 20mins
What technique is used with UTP cable to help protect against signal interference from crosstalk?
Twisting the wires together into pairs.
Wrapping a foil shield around the wire pairs
Encasing the cables within a flexible plastic sheath
Terminating the cable with special grounded connectors
What is one advantage of using fiber optic cabling rather than copper cabling?
It is usually cheaper than copper cabling.
It is able to be installed around sharp bends.
It is easier to terminate and install than copper cabling.
It is able to carry signals much farther than copper cabling.
What statement describes a characteristic of MAC addresses?
They must be globally unique
They are only routable within the private network
They are added as part of a Layer 3 PDU
They have a 32-bit binary value
What is the purpose of the preamble in an Ethernet frame?
Is used as a padding for data
Is used for timing synchronization
Is used to identify the source address
Is used to identify the destination address
What is contained in the trailer of a data-link frame?
Logical address
Physical address
Data
Error detection
An _____________________ can distort and corrupts the data signals being carried by copper media.
Half-duplex
Full-duplex
Electromagnetic interference
CSMA/CD
IEEE
UTP cabling conforms to the standards established by ____________.
IEEE
ANSI
CSMA/CD
TIA/EIA
straight-through
___________________ allows information to be sent and received at the same time.
Half-duplex
Full-duplex
Simplex
crossover
straight-through
1. The _______________ cable follows both EIA-568A and EIA-568B. It is A at one end and B at the other.
Half-duplex
Full-duplex
Simplex
crossover
straight-through
Ethernet devices refer to an ___________ table in its memory to find the MAC address that is mapped to the IPv4 address.
ARP
ANSI
TIA/EIA
IEEE
Electromagnetic interference
