A. DSL
B. FTTP
C. Cable
D. All of these
E. None of these
ONT is connected to splitter using
A. Optical cable
B. High-speed fiber cable
C. HFC
D. None of these
E. All of these
Ans=A
There are ______ number of layers in the internet protocol stack.
A.6
B. 7
C. 5
D. None of these
E. All of these
Ans=C
How many layers are there in the ISO OSI reference model?
A. 5
B. 7
C. 6
D. 15
E. 9
F. None of these
This layer is associate degree addition to OSI model in comparison with the Transmission control protocol Information science model
A. Application layer
B. Presentation layer
C. Session layer
D. Both Session and Presentation layer
E. None of these
Application layer is implemented in
A. NIC
B. Ethernet
C. End system
D. None of these
E. All of these
5. The transport layer is implemented in
A. NIC
B. End system
C. Ethernet
D. None of these
E. All of these
The functionalities of the presentation layer include
A. Data compression
B. Data encryption
C. Data description
D. All of the mentioned
E. None of these
Delimiting and synchronization of data exchange is provided by
A. Application layer
B. Transport layer
C. Link-layer
D. Session layer
E. All of these
F. None of these
In the OSI model, when data is sent from device A to the device B, the 5th layer to receive data at B is
A. Application layer
B. Session layer
C. Link-layer
D. Transport layer
E. All of these
F. None of these
In TCP IP Model, once information is distributed from device A to devise B, the fifth layer to receive information at B is
A. Link layer
B. Transport layer
C. Application layer
D. Session layer
E. None of these
F. All of these
In the OSI model, as an information packet moves from the lower to the higher layers, headers can
A. Added
B. Rearranged
C. Removed
D. None of these
E. All of these
OSI stands for
A. Optical service implementation
B. Operating system interface
C. Open system interconnection
D. None of the mentioned
E. All of These
Who many layers are there in the OSI model
A. 7
B. 5
C. 6
D. 4
E. 9
F.12
OSI model has a layer which is not in the TCP/IP model.
A. Application layer
B. Transport layer
C. Session layer
D. None of these
E. All of these
________ layer links the user support and network layers .
A. Transport layer
B. Datalink layer
C. Session layer
D. Network layer
E. All of these
F. None of these
TCP/IP uses _____ address in an internet employing
A. Physical address and logical address
B. Port address
C. Specific address
D. All of these
E. None of these
TCP/IP model has developed _____ the OSI model.
A. Simultaneous to
B. After
C. Prior to
D. None of these
E. All of these
_____ layer is liable for a method to method delivery.
A. Network layer
B. Session layer
C. Transport layer
D. Datalink layer
E. All of these
F. None of these
The address which is used to identify a process on a host
A. physical address
B. port address
C. logical address
D. specific address
E. None of these
F. All of these
_____layer provides services to the user.
A. Presentation layer
B. Session layer
C. Application layer
D. None of these
E. All of these
ANS=C
The rate of transmission is decided by_____ layer.
A. Network layer
B. Transport layer
C. Datalink layer
D. Physical layer
E. None of these
F. All of these
_____ transmission media has the highest speed in the network.
A. Coaxial cable
B. Twisted pair cable
C. Optical fiber
D. Electrical cable
E. All of these
F. None of these
Ans=C
Which type of modulation is used to send data over guided and unguided media as an analog signal?
A. Frequency modulation
B. Amplitude modulation
C. Digital modulation
D. Phase modulation
E. All of these
F. None of these
The portion of the physical layer that interfaces with the media access management sub-layer are known as.
A. Physical signaling sub-layer
B. Physical data sub-layer
C. Physical address sub-layer
D. All of these
E. None of these
Ans=A
Physical layer provides
A. Mechanical specifications of electrical connectors and cables
B. Electrical specification of transmission line signal level
C. Specification for IR over optical fiber
D. All of these
E. Both A and B
F. None of these
In asynchronous serial communication, the physical layer provides
The physical layer provides____________ in Asynchronous serial communication.
A. Start and stop signaling
B. Flow control
C. Both A and B
D. None of the mentioned
Ans =C
The physical layer is responsible for
A. Line coding
B. Channel coding
C. Modulation
D. Both A and B
E. All of these
F. None of these
The physical layer interprets logical communication requests from the particular into hardware-specific operations.
A. Application layer
B. Network layer
C. Transport layer
D. Datalink layer
E. Both A and B
F. None of these
A single channel is shared by multiple signals by
A. Multiplexing
B. Digital modulation
C. Analog modulation
D. Both A and B
E. All of these
F. None of these
Which type of wave is used for wireless transmission?
A. Radio waves
B. Microwaves
C. Infrared
D. Both A and B
E. All of these
F. None of these
The data link layer is responsible for taking the packets from________ and encapsulating them into frames for transmission.
A. Physical layer
B. Network layer
C. Transport layer
D. Application layer
E. All of these
F. None of these
Datalink layer cannot perform _____ task.
A. framing
B. channel coding
C. flow control
D. error control
E. All of these
F. None of these
Which sub-layer of the information link layer performs circuit functions that depend on the kind of medium?
A. Media access control sublayer
B. Logical link control sublayer
C. Network interface control sublayer
D. Both A and B
E. All of these
F. None of these
The header of a frame generally contains
A. Synchronization bytes
B. Addresses
C. Frame identifier
D. Both A and C
E. All of these
F. None of these
When two or more bits in information has been changed during the transmission, the error is known as?
A. Random error
B. Inverted error
C. Burst error
D. Both A and B
E. All of these
F. None of these
CRC stands for
A. Code redundancy check
B. Code repeat check
C. Cyclic redundancy check
D. Cyclic repeat check
E. All of these
F. None of these
Which one among the subsequent may be a data link protocol?
A. Ethernet
B. Point to point protocol
C. HDLC
D. Both A and B
E. All of these
F. None of these
The network layer concerns with
A. Bits
B. Frames
C. Packets
D. Both A and B
E. All of these
F. None of these
Network layer does not contain________ function?
A. Routing
B. Inter-networking
C. Congestion control
D. Both A and C
E. All of these
F. None of these
Ans=F
The four-byte IP address consists of
A. Network address
B. Host address
C. Both A and B
D. All of these
F. None of these
Each packets contains________ in virtual circuit network.
A. Full source and destination address
B. Only destination address
C. Only source address
D. A short VC number
E. Both A and B
F. None of these
In network layer design which of the routing algorithm is used?
A. Shortest path algorithm
B. Distance vector routing
C. Link state routing
D. Both A and C
E. All of these
F. None of these
Multi-destination routing
A. Data is not sent by packets
B. Contains the list of all destinations
C. Is same as broadcast routing
D. Both B and C
E. All of these
D. None of these
O //A subset of a network that includes all the routers but contains no loops is called
a) spanning-tree
b) spider structure
c) spider tree
d) none of the mentioned
C// A subset of a network that includes all the routers but contains no loops is called
A. Spider tree
B. Spider structure
C. Spanning tree
D. Both A and B
E. All of these
F. None of these
For congestion control which algorithm is not used?
A. Traffic aware routing
B. Admission control
C. Load shedding
D. Both A and C
E. All of these
F. None of these
In internet the network layer protocol is_________
A. Ethernet
B. Hypertext transfer protocol
C. Internet protocol
...
D. Both A and B
E. All of these
F. None of these
ICMP is primarily used for
A. Error and diagnostic functions
B. Addressing
C. Forwarding
D. Both B and C
E. All of these
F. None of these
Ans=A
An endpoint of an inter-process communication flow across a computer network is called
A. Port
B. Pipe
C. Socket
D. Both A and B
E. All of these
F. None of these
windows socket-style API is know as________
A. sock
B. wins
C. Winsock
D. Both A and B
E. All of these
D. None of these
Which of the following is the TCP name of a transport service access point?
A. Node
B. Pipe
C. Port
D. Both A and C
E. All of these
F. None of these
Transport layer protocols deals with_________
A. Application to application communication
B. Node to node communication
C. The process to process communication
D. Both A and C
E. All of these
D. None of these
Physical or logical arrangement of the network is Called
A. Networking
B. Routing
C. Topology
D. Both A and C
E. All of these
F. None of these
In which topology there is a central controller or hub?
A. Bus
B. Mesh
C. Ring
D. Star
E. All of these
F. None of these
which of the following topology requires multipoint connection
A. Star
B. Bus
C. Ring
D. Mesh
E. All of these
F. None of these
which of the following Data communication system is responsible for spanning states, countries, or the whole world is ________
A. WAN
B. LAN
C. MAN
D. Both A and B
E. All of these
D. None of these