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This is a computer science engineering quiz on computer networks, which includes questions on security and physical layer which deals with the physical connectivity of two different states.
Which network topology requires a central controller or hub?
_______ topology requires a multipoint connection.
Which of this is not a guided media?
Coaxial cable consists of _______ concentric copper conductors.
Terrestrial radio channels are broadly classifed into _____ groups.
The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period.
Which of the following ISO level is more closely related to the physical communications facilities?
which of the following is not a field in the Ethernet Message packet?
Physical or logical arrangement of network is __________.
Topology
Routing
Networking
Control
Data communication system spanning states, countries, or the whole world is ________.
LAN
WAN
MAN
PAN
Data communication system within a building or campus is________.
LAN
WAN
MAN
PAN
UTP is commonly used in __________.
DSL
FTTP
HTTP
None of the mentioned
Fiber optics posses following properties __________.
Immune electromagnetic interference
Very less signal attenuation
Very hard to tap
All of the mentioned
“BAUD” rate means?
The number of bits transmitted per unit time.
The number of bytes transmitted per unit time.
The rate at which the signal changes.
None of the above
A high speed communication equipment typically would not be needed for?
Transferring large volume of data
Supporting communication between nodes in a LAN
All of these
