Computer Network MCQ's




Question 1 :
The frames issued by the secondary station of HDLC known as___

  1. Response
  2. Command
  3. Request
  4. Link
  

Question 2 :
_____ messages can be sent by SNMP agent

  1. Get request
  2. Set request
  3. Trap request
  4. Response request
  

Question 3 :
Which of this is not a guided media?

  1. Fiber optical cable
  2. Coaxial cable
  3. Wireless LAN
  4. Copper wire
  

Question 4 :
Coaxial cable consists of _______ concentric copper conductors

  1. 1
  2. 2
  3. 3
  4. 4
  

Question 5 :
Transport layer aggregates data from different applications into a single stream before passing it to ____________

  1. network layer
  2. datalink layer
  3. physical layer
  4. application layer
  

Question 6 :
Bits are packaged into frames at which layer of the OSI model?

  1. Transport
  2. DLL
  3. Network
  4. Physical
  

Question 7 :
Which one of the following uses UDP as the transport protocol?

  1. HTTP
  2. Telnet
  3. DNS
  4. SMTP
  

Question 8 :
Coaxial Cable

  1. Capability to carry Multiple signals
  2. Can Carry only Limited Signals
  3. Suitable for Wireless
  4. Communication at the speed of Light
  

Question 9 :
In IPv4 protocol, each datagram is handled _______

  1. independently
  2. dependently
  3. priority basis
  4. systematically
  

Question 10 :
CRC is

  1. Cyclic roundtrip checksum
  2. circular redundancy check
  3. cyclic redundancy code
  4. circular roundtrip checksum
  

Question 11 :
Which constructor of Datagram Socket class is used to create a datagram socket and binds it with the given Port Number?

  1. Datagram Socket(int port)
  2. Datagram Socket()
  3. Datagram Socket(int port, Int Address address)
  4. Datagram Socket(int address)
  

Question 12 :
The process by which a client configured to use DHCP attempts to get network configuration information is known as _________________.

  1. DHCP Offer
  2. DHCP REQUEST
  3. DHCP Discovery
  4. DHCP Acknowledgement
  

Question 13 :
Which field helps to check rearrangement of the fragments?

  1. Offset
  2. DF
  3. MF
  4. Identifier
  

Question 14 :
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?

  1. Stop-and-Wait ARQ
  2. Elementary ARQ
  3. Go-Back-N ARQ
  4. Selective Repeat ARQ
  

Question 15 :
First address in a block is used as network address that represents the ________

  1. Class
  2. Entity
  3. Organization
  4. Code
  

Question 16 :
Which is a application layer protocol?

  1. ICMP
  2. HTTP
  3. UDP
  4. TCP
  

Question 17 :
SNMP stands for

  1. Simple Network Management Protocol
  2. Simple Network Module Protocol
  3. Steady Network Management Protocol
  4. Steady Network Module Protocol
  

Question 18 :
Which layer handles the formatting of application data so that it will be readable by the destination system?

  1. DLL
  2. Physical
  3. Presentation
  4. Transport
  

Question 19 :
_____ is used to create a collection of named object, their types and relationships to each other

  1. SMI
  2. MIB
  3. HTTP
  4. SMTP
  

Question 20 :
Stop-and-wait flow control method is same as the sliding window method with a window size of _______

  1. 0
  2. 1
  3. 2
  4. 3
  

Question 21 :
Repeater and Hub operates at which layer?

  1. DLL
  2. Physical
  3. Network
  4. Transport
  

Question 22 :
Header of datagram in IPv4 has ______

  1. 0 to 20 bytes
  2. 20 to 40 bytes
  3. 20 to 60 bytes
  4. 20 to 80 bytes
  

Question 23 :
The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

  1. physical layer
  2. session layer
  3. transport layer
  4. network layer
  

Question 24 :
Which one of the following protocol delivers/stores mail to reciever server?

  1. Telnet
  2. TCP
  3. HTTP
  4. SMTP
  

Question 25 :
What is the main function of Transport layer?

  1. Provide encryption
  2. Provide end to end delivery
  3. Send data physically
  4. Data formatting
  
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