Cisco 200-301 Exam

How do TCP and UDP differ in the way they guarantee packet delivery?

  • A. TCP uses retransmissions, acknowledgment, and parity checks, and UDP uses cyclic redundancy checks only
  • B. TCP uses two-dimensional parity checks, checksums, and cyclic redundancy checks, and UDP uses retransmissions only
  • C. TCP uses checksum, acknowledgements, and retransmissions, and UDP uses checksums only
  • D. TCP uses checksum, parity checks, and retransmissions, and UDP uses acknowledgements only
Answer: Option C.

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