A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server. The process is called ______

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Question:
A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server. The process is called ______

1. Active open

2.Active close

3.Passive close

4. Passive open

Posted Date:-2021-12-27 03:15:02

More MCQS Questions and answers

  1. ______ provides authentication at the IP level.
  2. In segment header, sequence number and acknowledgement number fields refer to _______
  3. IP Security operates in which layer of the OSI model?
  4. The decimal code of Interpret as Command (IAC) character is _______
  5. The receiver of the data controls the amount of data that are to be sent by the sender is referred to as _________
  6. . IPsec defines two protocols: _______ and ________
  7. A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server. The process is called ______
  8. A malicious attacker sends a large number of SYNC segments to a server, pretending that each of them is coming from a different client by faking the source IP address in the datagram. Which type of attack is being performed in this situation?
  9. “Total length” field in UDP packet header is the length of _________
  10. AbsoluteTelnet is a telnet client for _______ Operating system.
  11. Beyond IP, UDP provides additional services such as _______
  12. Bytes of data being transferred in each connection are numbered by TCP. These numbers start with a _________
  13. Communication offered by TCP is ________
  14. Connection establishment in TCP is done by which mechanism?
  15. ESP does not provide ________
  16. If we want that a character be interpreted by the client instead of server ______
  17. In computer security _______ means that computer system assets can be modified only by authorized parities.
  18. In computer security _______ means that the information in a computer system only be accessible for reading by authorized parities.
  19. In TCP, sending and receiving data is done as _______
  20. In Three-Way Handshaking process, the situation where both the TCP’s issue an active open is ________
  21. In which mode of telnet, the client echoes the character on the screen but does not send it until a whole line is completed?
  22. Port number used by Network Time Protocol (NTP) with UDP is ____
  23. Return value of the UDP port “Chargen” is _______
  24. Size of TCP segment header ranges between ______
  25. Suppose a TCP connection is transferring a file of 1000 bytes. The first byte is numbered 10001. What is the sequence number of the segment if all data is sent in only one segment?
  26. SYNC flooding attack belongs to a type of security attack known as _____
  27. TCP groups a number of bytes together into a packet called _______
  28. TCP process may not write and read data at the same speed. So we need __________ for storage.
  29. Telnet protocol is used to establish a connection to ______
  30. The ______ field is used to detect errors over the entire user datagram.
  31. The port number is “ephemeral port number”, if the source host is _______
  32. The server program tells its TCP that it is ready to accept a connection. This process is called _____
  33. The sizes of source and destination port address in TCP header are ___________ respectively.
  34. The value of acknowledgement field in a segment defines _______
  35. To achieve reliable transport in TCP, ___________ is used to check the safe and sound arrival of data.
  36. What allows TCP to detect lost segments and in turn recover from that loss?
  37. What is the header size of a UDP packet?
  38. What is the main advantage of UDP?
  39. Which is the correct expression for the length of UDP datagram?
  40. Which mode of IPsec should you use to assure the security and confidentiality of data within the same LAN?
  41. Which of the following is false with respect to TCP?
  42. Which of the following is false with respect to UDP?
  43. Which of the following is true for character mode operation of telnet implementation?
  44. Which of the following organizations is primarily concerned with military encryption systems?
  45. Which one of the following is not correct?
  46. Which one of the following is not correct?
  47. Which one of the following is not true?
  48. Which operating mode of telnet is full duplex?
  49. Which two types of encryption protocols can be used to secure the authentication of computers using IPsec?
  50. Which two types of IPsec can be used to secure communications between two LANs?
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