Analog source coding method are
1.Temporal waveform coding
2.Spectral waveform coding
3.Model based coding
4.All of the mentioned
Attenuation is a function of
1.Channel length
2.Transmission media
3.Signal frequencies
4.All of the mentioned
Attributes of ISDN have
1.Definition
2.Allowable values
3.Definition & Allowable values
4.None of the mentioned
Binomial distribution deals with
1.Continuous random variable
2.Discrete random variable
3.Continuous & Discrete random variable
4. None of the mentioned
Channel bonding provides
1.Higher data rate
2.Lower data rate
3.Does not affect data rate
4.None of the mentioned
Channel can provide connectivity to
1.Point to point
2.1 to many
3.Many to many
4.All of the mentioned
Channel noise is
1.Additive
2.White and stationary
3.Has infinite bandwidth
4.All of the mentioned
Circuit switched connection is provided for
1.Voice
2.Data
3.Voice & Data
4.None of the mentioned
Decision making needs
1.Priors
2.Likelihoods
3.Priors & Likelihoods
4.None of the mentioned
Embedding is a form of
1.Abstraction
2.Layering
3.Entity sharing
4.None of the mentioned
Entities also does
1.Error correction
2.A/D
3.D/A
4.All of the mentioned
For neyman pearson decision criterion, which are important?
1.Probability of false alarm
2.Probability of miss
3.Probability of false alarm & miss
4.None of the mentioned
Gaussian process is a
1.Wide sense stationary process
2.Strict sense stationary process
3.All of the mentioned
4.None of the mentioned
In channel, delay is
1.Fixed
2.Variable
3. Fixed & Variable
4.None of the mentioned
In layering, n layers provide service to
1.n layer
2.n-1 layer
3.n+1 layer
4.none of the mentioned
In matched filter _______ is performed.
1.Convolution
2.Correlation
3.Convolution & Correlation
4.None of the mentioned
In poisson distribution mean is ______ variance.
1.Greater than
2.Lesser than
3.Equal to
4.Does not depend on
In transmission media, the symbol type is generally
1.Analog
2.Digital
3.Analog & Digital
4.None of the mentioned
ISDN integrates speech and data on
1.Different lines
2.Same lines
3.Different & Same lines
4.None of the mentioned
ISDN is a
1.Packet switched network
2.Circuit switched telephone network
3.Packet switched & Circuit switched telephone network
4.None of the mentioned
Noise is _____ in nature.
1.Random
2.Systematic
3.Random or Systematic
4.None of the mentioned
Packet switched connection is provided for
1.Voice
2.Data
3.Voice & Data
4.None of the mentioned
Routing is performed only centrally.
1.True
2.False
S-interface is a _______ bus.
1.Two wire bus
2.Four wire bus
3.Single wired bus
4.None of the mentioned
Stochastic process are
1.Random in nature
2.Are function of time
3.Random in nature and are a function of time
4. None of the mentioned
Stochastic processes are
1.Strict sense stationary process
2.Wide sense stationary process
3.All of the mentioned
4.None of the mentioned
Symbol error probability can also be determined using upper bound.
1.True
2.False
T interface is the serial interface between
1.Computing device and terminal adapter
2.Terminal adapter and exchange unit
3.Exchange unit and network terminating unit
4.Computing device and exchange unit
The radiation loss increases as
1.Frequency increases
2.Frequency decreases
3.Does not depend on frequency
4.None of the mentioned
The services provided by ISDN
1.Bearer service
2.Teleservice
3.Secondary service
4.All of the mentioned
The source output in PCM and DPCM is quasi stationary.
1.True
2.False
The time required to transmit frame depends on
1.Frame size
2.Channel capacity
3.Frame size & Channel capacity
4.None of the mentioned
The type of distortion which occurs in delta modulation is
1.Slope overload distortion
2.Granular noise
3.Slope overload distortion & Granular noise
4.None of the mentioned
Top layer is
1.Physical media
2.Application
3.Design
4.None of the mentioned
Transmission media is
1.Acoustic
2.Guided
3.Optical
4.All of the mentioned
U-interface is the two wire interface between
1.Computing device and terminal adapter
2.Terminal adapter and exchange unit
3.Exchange unit and network terminating unit
4.Computing device and exchange unit
What are the parameters calculated for an estimator?
1.Error
2.Mean square error
3.Variance
4.All of the mentioned
Which can be used as an intermediate device in between transmitter entity and receiver entity?
1.IP router
2.Microwave router
3.Telephone switch
4.All of the mentioned
Which has higher transmission rate?
1.BPSK
2.16-QAM
3.BPSK & 16-QAM
4.None of the mentioned
Which is connection oriented and which is connection-less?
1.Datagrams, virtual circuits
2.Virtual circuits, datagrams
3.Datagrams
4.None of the mentioned
Which method is much better and efficient?
1.Vector quantization
2. Scalar quantization
3.Vector & Scalar quantization
4.None of the mentioned
Which needs more signal power?
1.BPSK
2.16-QAM
3. BPSK & 16-QAM
4.None of the mentioned
Which noise component plays a role in decision making?
1.Relevant noise
2.Non relevant noise
3.Relevant & Non relevant noise
4.None of the mentioned
Which reduces the dynamic range of quantization noise in PCM?
1.Non uniform quantizer
2.Uniform quantizer
3.Adaptive quantizer
4.None of the mentioned
Which signal sets are called as equivalent signal sets?
1.Simplex
2.Bi-orthogonal
3.Simplex & Bi-orthogonal
4.None of the mentioned
Which tells about low level transmission and framing?
1.V series
2.X series
3.G series
4. Q series
Which tells about signalling?
1.V series
2.X series
3.G series
4.Q series
Which uses TCP?
1.Simple mail transfer protocol
2.Simple network management protocol
3.Simple mail transfer & network management protocol
4.None of the mentioned
Which uses UDP?
1.Echo
2.Time
3.Domain name server
4.All of the mentioned
Window given the number of
1.Bytes
2. Frames
3.Bytes & Frames
4.None of the mentioned