CCNA Questions And Answers

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B. Data is converted to frames, segments to packets or datagrams, packets to segments, and frames to bits, then bits to data C. Frames are converted to bits, bits to segments, segments to packets or datagrams, packets or datagrams to data D. Data is converted to packets, packets to segments, segments to datagrams, datagrams to frames. Frames are then converted to bits. Answer: A Encapsulation describes the conversion of data for use at each layer. The order of conversion is: User information is converted to data, data to segments, segments to packets or datagrams, packets to frames, and frames to bits. Chapter: 1 17. Describe data encapsulation. A. Headers applied to a frame B. Frame types use in Cisco interfaces C. The method of changing user data into a usable format to transmit on a network D. Changing bits into packets Answer: C The five encapsulation methods are: 1 User information is converted to data. 2 Data is converted to segments. 3 Segments are converted to packets or datagrams. 4 Packets or datagrams are converted to frames. 5 Frames are converted to bits. Chapter: 1 18. What uses a connection-less protocol at the Transport layer? A. IP B. ARP C. TCP D. TCP/IP E. Darpa F. UDP G. ICMP Answer: F User Datagram Protocol (UDP) is a connection-less protocol that resides at the Transport layer Chapter: 1