Networking Multiple choice questions part 3
Q.1. The layer of the TCP/IP model which lies below the transport layer is
- Physical Layer
- Network Layer
- Session Layer
- Application Layer
Network Layer
Q.2. A packet in the data-link layer is called
- Frame
- Datagram
- Segment
- header
Frame
Q.3. OSI stands for
- Open Systems Internet
- Open Systems Interchange
- Open Systems Interconnect
- Open Systems Interface
Open Systems Interconnect
Q.4. TCP stands for
- Transmission Control Protocol
- Transition Control Protocol
- Transport Control Protocol
- Transfer Control Protocol
Transmission Control Protocol
Q.5. Which of the following layers is present in the OSI model but not in the TCP/IP model
- Data link layer
- Network Layer
- Transport Layer
- Session Layer
Session Layer
Q.6. The bandwidth of an analog signal is measured in
- Hertz
- Bits per second
- Bytes per second
- Megabytes or Gigabytes
Hertz
Q.7. Which of the following problems can be addressed by the use of an amplifier
- Attenuation
- Distortion
- Noise
- All of the above
Attenuation
Q.8. When different packets encounter different amounts of delay and arrive at uneven intervals of time, it is termed
- Latency
- Noise
- Jitter
- Bandwidth Delay Product
Jitter
Q.9. Baud rate refers to number of
- bits sent per second
- signals elements per second
- bandwidth per second
- None of these
signals elements per second
Q.10. A line encoding scheme that uses three voltage levels, positive, zero and negative is called
- Unipolar encoding
- Polar encoding
- Bipolar encoding
- Multilevel encoding
Bipolar encoding
Q.11. Which of the following is not a part of Pulse Code Modulation
- Sampling
- Scrambling
- Encoding
- Quantizing
Scrambling
Q.12. According to the Nyquist theorem, the sampling rate must be
- twice the bandwidth
- twice the SNR
- twice the lowest frequency
- twice the highest frequency
twice the highest frequency
Q.13. A type of serial transmission in which start and stop bits are used is called
- asynchronous transmission
- synchronous transmission
- isochronous transmission
- all of the above
asynchronous transmission
Q.14. In which of the following digital to analog modulation techniques do we vary the frequency to represent data
- Quadrature Amplitude Modulation
- Phase Shift Keying
- Amplitude Shift Keying
- None of these
Quadrature Amplitude Modulation
Q.15. The total number of ports in TCP/IP is
- 1024
- 4096
- 8192
- 65536
65536
Q.1. The connector used for twisted pair cables is called
- BNC
- RJ-11
- RJ-45
- Cat-5
RJ-45
Q.2. Which of the following are omni-directional
- Radio waves
- Microwaves
- infrared waves
- All of these
Radio waves
Q.3. When the individual packet from a source host to a destination host can travel through different routes through the network, it is a
- Circuit Switched Network
- Datagram Network
- Virtual Circuit Network
- Message Switching Network
Datagram Network
Q.4. MAC addresses are used at the
- Physical Layer
- Data Link Layer
- Network Layer
- Transport Layer
Data Link Layer
Q.5. The length of an IP address (IPv4) is
- 48 bits
- 16 bits
- 64 bits
- 32 bits
32 bits
Q.6. Which one of the following is used for error detection
- Virtual Circuit
- Port
- Parity Bit
- Packet
Parity Bit
Q.7. Which one of the following is an error correction code
- ARP
- Cyclic Redundancy Check
- TCP
- Parity
Cyclic Redundancy Check
Q.8. When the packet travelling in one direction also carries an acknowledgement of packets sent in the other direction, it is called
- Bit stuffing
- Framing
- Piggybacking
- Encapsulation
Piggybacking
Q.9. When more than one station on a shared link is transmitting frames, it can lead to a situation called
- Buffer Overflow
- Scrambling
- Collision
- Multiplexing
Collision
Q.10. CSMA is a
- Point to Point Protocol
- Collision detection protocol
- Transport Layer protocol
- Encoding Technique
Collision detection protocol
Q.11. ARP stands for
- Address Request Protocol
- Address Resolution Protocol
- Autonegotiation Request Protocol
- Autonegotiation Release Protocol
Address Resolution Protocol
Q.12. The maximum speed of the Ethernet protocol is
- 100 Mbps
- 1 Gbps
- 10 Gbps
- Limited by the switch or router
10 Gbps
Q.13. The ping command is used
- To find out if a host on a network is alive and responding
- To find out if we can log in to a server
- To establish an IP connection to a host
- All of the above
To find out if a host on a network is alive and responding
Q.14. The Ethernet protocol is
- Connectionless
- Unreliable
- Both connectionless and unreliable
- Neither Connectionless nor Unreliable
Both connectionless and unreliable
Q.15. The minimum length of an Ethernet frame is
- 1048 bytes
- 64 bytes
- 128 bytes
- 512 bytes
64 bytes
