MCQOPTIONS
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MCQOPTIONS
This section includes 728 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 651. |
Which one of the following algorithm is not used for congestion control? |
| A. | traffic aware routing |
| B. | admission control |
| C. | load shedding |
| D. | none of the mentioned |
| Answer» E. | |
| 652. |
Multidestination routing |
| A. | is same as broadcast routing |
| B. | contains the list of all destinations |
| C. | data is not sent by packets |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 653. |
Which one of the following routing algorithm can be used for network layer design? |
| A. | shortest path algorithm |
| B. | distance vector routing |
| C. | link state routing |
| D. | all of the mentioned |
| Answer» E. | |
| 654. |
In virtual circuit network each packet contains |
| A. | full source and destination address |
| B. | a short VC number |
| C. | only source address |
| D. | only destination address |
| Answer» C. only source address | |
| 655. |
The 4 byte IP address consists of |
| A. | network address |
| B. | host address |
| C. | both network address & host address |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 656. |
Which one of the following is not a function of network layer? |
| A. | routing |
| B. | inter-networking |
| C. | congestion control |
| D. | none of the mentioned |
| Answer» E. | |
| 657. |
The network layer concerns with |
| A. | bits |
| B. | frames |
| C. | packets |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 658. |
The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called |
| A. | piggybacking |
| B. | cyclic redundancy check |
| C. | fletcher’s checksum |
| D. | none of the mentioned |
| Answer» B. cyclic redundancy check | |
| 659. |
Which one of the following is the multiple access protocol for channel access control? |
| A. | CSMA/CD |
| B. | CSMA/CA |
| C. | Both CSMA/CD & CSMA/CA |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 660. |
Which one of the following is a data link protocol? |
| A. | ethernet |
| B. | point to point protocol |
| C. | hdlc |
| D. | all of the mentioned |
| Answer» E. | |
| 661. |
CRC stands for |
| A. | cyclic redundancy check |
| B. | code repeat check |
| C. | code redundancy check |
| D. | cyclic repeat check |
| Answer» B. code repeat check | |
| 662. |
When 2 or more bits in a data unit has been changed during the transmission, the error is called |
| A. | random error |
| B. | burst error |
| C. | inverted error |
| D. | none of the mentioned |
| Answer» C. inverted error | |
| 663. |
Automatic repeat request error management mechanism is provided by |
| A. | logical link control sublayer |
| B. | media access control sublayer |
| C. | network interface control sublayer |
| D. | none of the mentioned |
| Answer» B. media access control sublayer | |
| 664. |
Header of a frame generally contains |
| A. | synchronization bytes |
| B. | addresses |
| C. | frame identifier |
| D. | all of the mentioned |
| Answer» E. | |
| 665. |
Which sublayer of the data link layer performs data link functions that depend upon the type of medium? |
| A. | logical link control sublayer |
| B. | media access control sublayer |
| C. | network interface control sublayer |
| D. | none of the mentioned |
| Answer» C. network interface control sublayer | |
| 666. |
Which one of the following task is not done by data link layer? |
| A. | framing |
| B. | error control |
| C. | flow control |
| D. | channel coding |
| Answer» E. | |
| 667. |
The data link layer takes the packets from _________ and encapsulates them into frames for transmission. |
| A. | network layer |
| B. | physical layer |
| C. | transport layer |
| D. | application layer |
| Answer» B. physical layer | |
| 668. |
Wireless transmission can be done via |
| A. | radio waves |
| B. | microwaves |
| C. | infrared |
| D. | all of the mentioned |
| Answer» E. | |
| 669. |
A single channel is shared by multiple signals by |
| A. | analog modulation |
| B. | digital modulation |
| C. | multiplexing |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 670. |
The physical layer translates logical communication requests from the ______ into hardware specific operations. |
| A. | data link layer |
| B. | network layer |
| C. | trasnport layer |
| D. | application layer |
| Answer» B. network layer | |
| 671. |
The physical layer is responsible for |
| A. | line coding |
| B. | channel coding |
| C. | modulation |
| D. | all of the mentioned |
| Answer» E. | |
| 672. |
In asynchronous serial communication the physical layer provides |
| A. | start and stop signalling |
| B. | flow control |
| C. | both start & stop signalling and flow control |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 673. |
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 the mentioned |
| Answer» E. | |
| 674. |
The portion of physical layer that interfaces with the media access control sublayer is called |
| A. | physical signalling sublayer |
| B. | physical data sublayer |
| C. | physical address sublayer |
| D. | none of the mentioned |
| Answer» B. physical data sublayer | |
| 675. |
Bits can be send over guided and unguided media as analog signal by |
| A. | digital modulation |
| B. | amplitude modulation |
| C. | frequency modulation |
| D. | phase modulation |
| Answer» B. amplitude modulation | |
| 676. |
Which transmission media has the highest transmission speed in a network? |
| A. | coaxial cable |
| B. | twisted pair cable |
| C. | optical fiber |
| D. | electrical cable |
| Answer» D. electrical cable | |
| 677. |
The physical layer concerns with |
| A. | bit-by-bit delivery |
| B. | process to process delivery |
| C. | application to application delivery |
| D. | none of the mentioned |
| Answer» B. process to process delivery | |
| 678. |
Transmission data rate is decided by |
| A. | network layer |
| B. | physical layer |
| C. | data link layer |
| D. | transport layer |
| Answer» C. data link layer | |
| 679. |
Which layer provides the services to user? |
| A. | application layer |
| B. | session layer |
| C. | presentation layer |
| D. | none of the mentioned |
| Answer» B. session layer | |
| 680. |
Which address identifies a process on a host? |
| A. | physical address |
| B. | logical address |
| C. | port address |
| D. | specific address |
| Answer» D. specific address | |
| 681. |
Which layer is responsible for process to process delivery? |
| A. | network layer |
| B. | transport layer |
| C. | session layer |
| D. | data link layer |
| Answer» C. session layer | |
| 682. |
TCP/IP model was developed _____ the OSI model. |
| A. | prior to |
| B. | after |
| C. | simultaneous to |
| D. | none of the mentioned |
| Answer» B. after | |
| 683. |
Which address is used in an internet employing the TCP/IP protocols? |
| A. | physical address and logical address |
| B. | port address |
| C. | specific address |
| D. | all of the mentioned |
| Answer» E. | |
| 684. |
Which layer links the network support layers and user support layers |
| A. | session layer |
| B. | data link layer |
| C. | transport layer |
| D. | network layer |
| Answer» D. network layer | |
| 685. |
TCP/IP model does not have ______ layer but OSI model have this layer. |
| A. | session layer |
| B. | transport layer |
| C. | application layer |
| D. | None of the mentioned |
| Answer» B. transport layer | |
| 686. |
The OSI model has _______ layers. |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» E. | |
| 687. |
OSI stands for |
| A. | open system interconnection |
| B. | operating system interface |
| C. | optical service implementation |
| D. | none of the mentioned |
| Answer» B. operating system interface | |
| 688. |
Identify the statement which cannot be associated with OSI model |
| A. | A structured way to discuss and easier update syatem components |
| B. | One layer may duplicate lower layer functionality |
| C. | Functionality at one layer no way requires information from another layer |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 689. |
In the OSI model, as a data packet moves from the lower to the upper layers, headers are |
| A. | Added |
| B. | Removed |
| C. | Rearranged |
| D. | None of the mentioned |
| Answer» C. Rearranged | |
| 690. |
In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is |
| A. | Application layer |
| B. | Transport layer |
| C. | Link layer |
| D. | Session layer |
| Answer» B. Transport layer | |
| 691. |
In OSI model, when data is sent from device A to device B, the 5th layer to recieve data at B is |
| A. | Application layer |
| B. | Transport layer |
| C. | Link layer |
| D. | Session layer |
| Answer» E. | |
| 692. |
Delimiting and synchronization of data exchange is provided by |
| A. | Application layer |
| B. | Session layer |
| C. | Transport layer |
| D. | Link layer |
| Answer» C. Transport layer | |
| 693. |
The functionalities of presentation layer includes |
| A. | Data compression |
| B. | Data encryption |
| C. | Data description |
| D. | All of the mentioned |
| Answer» E. | |
| 694. |
Transport layer is implemented in |
| A. | End system |
| B. | NIC |
| C. | Ethernet |
| D. | None of the mentioned |
| Answer» B. NIC | |
| 695. |
Application layer is implemented in |
| A. | End system |
| B. | NIC |
| C. | Ethernet |
| D. | None of the mentioned |
| Answer» B. NIC | |
| 696. |
This layer is an addition to OSI model when compared with TCP IP model |
| A. | Application layer |
| B. | Presentation layer |
| C. | Session layer |
| D. | Both Session and Presentation layer |
| Answer» E. | |
| 697. |
The number of layers in ISO OSI reference model |
| A. | 5 |
| B. | 7 |
| C. | 6 |
| D. | None of the mentioned |
| Answer» C. 6 | |
| 698. |
The number of layers in Internet protocol stack |
| A. | 5 |
| B. | 7 |
| C. | 6 |
| D. | None of the mentioned |
| Answer» B. 7 | |
| 699. |
These factors affect transmission rate in DSL |
| A. | The gauge of the twisted-pair line |
| B. | Degree of electrical interfernece |
| C. | Shadow fading |
| D. | Both The gauge of the twisted-pair line and Degree of electrical interfernece |
| Answer» E. | |
| 700. |
Home Access is provided by |
| A. | DSL |
| B. | FTTP |
| C. | Cable |
| D. | All of the mentioned |
| Answer» E. | |