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When collection of various computers seems a single coherent system to its client, then it is called

A. computer network

B. distributed system

C. both (a and (b

D. none of the mentioned

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

You can do it
  1. What is the range of multicast addressing?
  2. Which of the following network topologies has the highest level of redundancy?
  3. A financial institution that issues the card to the purchaser is ________.
  4. Select the standard for token ring using token-passing media access.
  5. In Secure Electronic Transaction, the description of the purchase and cost is contained in ________…
  6. Which of the following headers does a router look at to find how to route a data packet?
  7. You have a network card with only one connector, which looks like a place to plug an oversized phone…
  8. Which of the following is a simplex protocol?
  9. In TCP segment format _______indicates start of data.
  10. If user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key…
  11. What can be used in the place of DNS to resolve host names to IP addresses?
  12. To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.
  13. What is the code used for Interpret As Command (IAC)?
  14. Which layer of the OSI model does a switch operate in?
  15. ----------------is a static algorithm in which every incoming packet is sent out on every outgoing line…
  16. What is the maximum length of thinnet cable before a signal booster is needed?
  17. A modem is a card within a PC that converts the …………... the computer produces…
  18. Which of the following is the IEEE specification for wireless networks?
  19. ADSL uses high-speed Internet service phone lines
  20. You have a network card with the connector in question 43, and it also has a 9 pin female connector.…
  21. In ________ routing, the tunnel creates a bridge through areas that do not support multicast traffic.
  22. Which of the following filed represents the sender of the message in an electronic mail?
  23. What does a patch cable connect to within an Ethernet network?
  24. Which of the following protocol is used by Integrated Services for signaling of the reservation messages?
  25. Which of the following transmission media suffers more from transmission impairment?
  26. What is the address identified when socket is available at each end of TCP?
  27. What is the default port for Telnet?
  28. What is the default subnet mask for a class A network?
  29. 127.0.0.1 address is reserved for internal loopback functions.
  30. Which of the following defines a family of standards for 100 Mbps fiber optic LANs that provides the…