200-301 Cisco Certified Network Associate (CCNA)

How do TCP and UDP differ in the way that they establish a connection between two endpoints?

  • A. TCP uses the three-way handshake, and UDP does not guarantee message delivery.
  • B. TCP uses synchronization packets, and UDP uses acknowledgment packets.
  • C. UDP provides reliable message transfer, and TCP is a connectionless protocol.
  • D. UDP uses SYN, SYN ACK, and FIN bits in the frame header while TCP uses SYN, SYN ACK, and ACK bits.
Answer: Option A.
Explanation: 

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