Computer Networks MCQ
Question 1 : Repeater and Hub operates at which layer?
Question 2 : Which ARQ mechanism deals with the transmission of only damaged or lost frames despite the other multiple frames by increasing the efficiency & its utility in noisy channels?
- Stop-and-Wait ARQ
- Elementary ARQ
- Go-Back-N ARQ
- Selective Repeat ARQ
Question 3 : Transport layer aggregates data from different applications into a single stream before passing it to ____________
- network layer
- datalink layer
- physical layer
- application layer
Question 4 : _____ messages can be sent by SNMP agent
- Get request
- Set request
- Trap request
- Response request
Question 5 : Bits are packaged into frames at which layer of the OSI model?
Question 6 : In IPv4 protocol, each datagram is handled _______
- priority basis
Question 7 : Which one of the following protocol delivers/stores mail to reciever server?
Question 8 : First address in a block is used as network address that represents the ________
Question 9 : What is the main function of Transport layer?
- Provide encryption
- Provide end to end delivery
- Send data physically
- Data formatting
Question 10 : Which of this is not a guided media?
- Fiber optical cable
- Coaxial cable
- Wireless LAN
- Copper wire
Question 11 : CRC is
- Cyclic roundtrip checksum
- circular redundancy check
- cyclic redundancy code
- circular roundtrip checksum
Question 12 : Coaxial Cable
- Capability to carry Multiple signals
- Can Carry only Limited Signals
- Suitable for Wireless
- Communication at the speed of Light
Question 13 : Header of datagram in IPv4 has ______
- 0 to 20 bytes
- 20 to 40 bytes
- 20 to 60 bytes
- 20 to 80 bytes
Question 14 : The process by which a client configured to use DHCP attempts to get network configuration information is known as _________________.
- DHCP Offer
- DHCP REQUEST
- DHCP Discovery
- DHCP Acknowledgement
Question 15 : SNMP stands for
- Simple Network Management Protocol
- Simple Network Module Protocol
- Steady Network Management Protocol
- Steady Network Module Protocol
Question 16 : Which field helps to check rearrangement of the fragments?
Question 17 : Stop-and-wait flow control method is same as the sliding window method with a window size of _______
Question 18 : Coaxial cable consists of _______ concentric copper conductors
Question 19 : Which is a application layer protocol?
Question 20 : The data link layer takes the packets from _________ and encapsulates them into frames for transmission.
- physical layer
- session layer
- transport layer
- network layer
Question 21 : Which layer handles the formatting of application data so that it will be readable by the destination system?
Question 22 : Which one of the following uses UDP as the transport protocol?
Question 23 : _____ is used to create a collection of named object, their types and relationships to each other
Question 24 : The frames issued by the secondary station of HDLC known as___
Question 25 : Which constructor of Datagram Socket class is used to create a datagram socket and binds it with the given Port Number?
- Datagram Socket(int port)
- Datagram Socket()
- Datagram Socket(int port, Int Address address)
- Datagram Socket(int address)