CS8591 COMPUTER NETWORK QUIZ – COMPUTER NETWORK IMPORTANT QUESTIONS

CS8591 COMPUTER NETWORK QUIZ – COMPUTER NETWORK IMPORTANT QUESTIONS

  1. The protocol data unit(PDU) for the application layer in the Internet stack is Message
  2. Which of the following transport layer protocolss is used to support electronic mail TCP
  3. In the IPv4 addressing format, the number of networks allowed under Class C addresses is 2^21
  4. One of the header fields in an IP datagram is the Time to Live (TTL) field. Which of the following statements best explains the need for this field It can be used to prevent packet looping
  5. Packets of the same session may be routed through different paths in TCP and UDP
  6. The address resolution protocol (ARP) is used for Finding the MAC address that corresponds to an IP address
  7. The maximum window size for data transmission using the selective reject protocol with n-bit frame sequence numbers is 2^(n-1)
  8. Which of the following system calls results in the sending of SYN packets connects
  9. In the slow start phase of the TCP congestion control algorithm, the size of the congestion window increases exponentially
  10. What is the maximum size of data that the application layer can pass on to the TCP layer below? Any size
  11. Which one of the following uses UDP as the transport protocol DNS
  12.  In Ethernet when Manchester encoding is used, the bit rate is Half the baud rate
  13. SMTP is an application layer protocol used for e-mail transmission.
    TCP is a core transport layer protocol.
    BGP is a network layer protocol backing the core routing decisions on the Internet
    PPP is a data link layer protocol commonly used in establishing a direct connection between two networking nodes
  14. Which protocol uses UDP as transport protocol DNS
  15. A firewall is installed at the point where the secure internal network and untrusted external network meet which is also known as Chock point
  16. Checksum Error control and Length information are main features of UDP
  17. ALOHA was developed in early 1970
  18. Switches are Better than hub
  19. When Manchester Encoding is used then what is bit rate Half the Baud rate
  20. Consider the IP address 25.193.155.233. How many bits are there in Network Id and Host Id ? Given IP address belong to Class A IP address and Class A IP address has 8 bits for Network Id and 24 bits for Host Id
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