CS601 – MF-2010
Paper-2
The conduit over which data travel is called
Link
Path
Circuit
Conductor
Frequency of a failure and network recovery time after a failure are measures of the ____________ of a network.
Performance
Reliability
Security
Feasibility
An unauthorized user is a network ___________ issue.
Performance
Reliability
Security
All of the given
Which topology requires a central controller or hub?
Mesh
Star
Bus
Ring
Which topology requires a multipoint connection?
Star
Bus
Ring
Unidirectional traffic movement is overcome by dual ring technology.
True
False
Data synchronization is a function related with ___________
session layer
presentation layer
transport
To allow access to network resources is the function of ___________
application layer
physical layer
network layer
OSI model was developed prior to TCP/IP model.
True
False
When data are transmitted from device A to device B, the header from A’s layer 4 is read by B’s __________ layer.
physical
transport
application
none of the given
Frequency band in which 99% of the total power resides is called_______
power bandwidth
half power bandwidth
3dB bandwidth
F.M.
DC component is also termed as Direct current component or a component with non-zero frequency.
True
False
In differential Manchester
zero
one
both zero and one
Bi phase and bipolar are same terms.
True
False
Which modulation technique involves tribits, eight different phase shifts, and one amplitude?
4-PSK
FSK
8-PSK
ASK
In ____________ transmission the timing of the signal is unimportant.
Asynchronous
Synchronous
Polar
Bi-polar
The __________ generates the data and passes it along with any control information to a ___________.
DTE; DCE
DCE; DTE
DCE; node
DTE; application
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
FSK: PSK
Digital: analog
Analog: digital
PSK: FSK
Modem is the most familiar type of a __________.
DCE
DTE
DTS
DCS
Time domain plot show changes in signal amplitude with respect to time.
True
False
How Bandwidth is calculated? 2
What are DTE and DCE? 2
Write merits and demerits of Unipolar Encoding. 3
Give similarities between 4 QAM & 8 QAM. 3
Write down the criteria or technique that we follow for assigning integral values to sampled signals and also its conversion into binary format. Explain? 5
What do you know about Digital to Analog Conversion. 5
