Home

In an authentication using symmetric keys, if 10 people need to communicate, we need _______ keys.

A. 90

B. 10

C. 20

D. 45

Related Questions

  1. Data Transmission is not a layer in the OSI model
  2. _______ Domain name corresponds to US military.
  3. Network administrator checks whether all the devices connected to the end-to-end path are _________-enabled.
  4. Select the standard for token ring using token-passing media access.
  5. Which Layer is Responsible for Congestion Control?
  6. 80 is the well-known port number for the HTTP service.
  7. Which of these is an example for unguided transmission?
  8. In Secure Electronic Transaction, the description of the purchase and cost is contained in ________…
  9. Which of the following protocols were designed for terminal emulation to connect dissimilar systems?
  10. Which class of IP addressing was not brought in much use?
  11. Which cable type is immune to outside interference and crosstalk?
  12. Following are the advantages of tree topologyi) Point-to-point wiring for individual segments.ii) Supported…
  13. In FTP, to execute a file transfer, the user begins by _________.
  14. T1 makes up 24 channels.
  15. T1 makes up 24 channels.
  16. What is the IEEE specification for Ethernet?
  17. What is the default subnet mask for a class B network?
  18. ________allows receiver to inform sender about the successful receiving of all the segments.
  19. In distance vector routing an active router sends out information ………………………….
  20. In ________ routing, the tunnel creates a bridge through areas that do not support multicast traffic.
  21. The Point-to-Point Protocol (PPP) is described in which of the following?
  22. Router B receives an update from router A that indicates Net1 is two hops away. The next update from…
  23. Which of the following is used for establishing, configuring, and testing the data-link Link Control…
  24. In TCP segment format _______indicates start of data.
  25. You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured…
  26. A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection…
  27. ARP is defined in RFC _____ and it is a current internet standard, ________
  28. Which of the following is used for testing the data-link connection in a PPP network?
  29. Which type of connector is used on 10Base2 networks?
  30. TCP protocol is responsible for logical addressing and delivery of packets.

Please do not use chat terms. Example: avoid using "grt" instead of "great".