61. When you ping the loopback address, a packet is sent where?
62. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
63. Which of the following device is used to connect two systems, especially if the systems use different protocols?
64. The synchronous modems are more costly than the asynchronous modems because
65. A distributed network configuration in which all data/information pass through a central computer is
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