CS601 – MF-2010
Paper-1
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
Non proprietary standard is also termed as de facto standard.
True
False
Which topology requires a central controller or hub?
Mesh
Star
Bus
Ring
_______ is used to define the direction of the signal flow between the linked devices.
transmission mode
transmission method
transmission impairments
Internet with small “i” specifies the world wide Network the actual internet.
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
A signal that repeats a pattern over a regular interval of time is called_______.
periodic signal
analog signal
composite signal
A periodic signal completes one cycle in 0.001 s. What is the frequency?
1 Hz
100 Hz
1 KHz
1 MHz
biphase
polar
biphase & polar
none of the given
In differential Manchester
zero
one
both zero and one
PCM is the first process of PAM.
True
False
Which modulation technique involves tribits, eight different phase shifts, and one amplitude?
4-PSK
FSK
8-PSK
ASK
There are _________________ basic functional units involved in the communication of data.
4
3
1
2
In RS 422 Balanced mode two lines carry ________ signals which are not identical to each other.
same
different
digital
analog
In client/server computer communicatin, protocols are symmetric.
True
False
If a station does not receive its signal up to a specified time that system issues an alarm to ____________
another node
network manager
switch
network analyzer
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
Define Sampling Rate. 2
Give methods of Analog to Analog conversion. 2
What is HDB3. 3
How does DTE and DCE works together for end to end communication? 3
Using HDB3 scheme, encode the signal “1100001011” 5
Discuss the following interface standard? 5
EIA449
