टेलीफोन लाइनों पर प्रसारण के लिए कंप्यूटर से डिजिटल संकेतों को एनालॉग संकेतों में बदलने के लिए किस उपकरण का उपयोग किया जाता है?

Which of the following are the purposes of a router? (A) To connect two or more networks together. (B) To forward packets between networks. (C) To route packets to their destinations. Choose the most appropriate answer from the options given below:

Which of the given options best describes the truth of the following statements? (i) In a simplex mode, communication is in a single direction. (ii) In a mesh network topology, each device has a dedicated point-to-point link to each other. (iii) Networks of a size between LAN and WAN are usually called metropolitan area networks and extend up to ten miles.