Computer Networking: A Top-Down Approach, CH5 Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+

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Computer Networking: A Top-Down Approach, CH5
Questions with Detailed Verified Answers (100%
Correct Answers) /Already Graded A+
Quiz: LINK: link-layer implementation

Ans: LINK: in every host in network interface card




Quiz: LINK: NIC

Ans: LINK: network-interface card, has controller and physical transmission




Quiz: LINK: single bit parity

Ans: LINK: detect single bit errors




Quiz: LINK: 2D bit parity

Ans: LINK: detect and correct single bit errors




Quiz: LINK: error checking in link layer

Ans: LINK: parity checking, checksum, CRC




Quiz: LINK: CRC

Ans: LINK: cyclic redundancy check

D = data bits

G = generator


Sunday, 02 March 2025

, R = CRC code, remainder, length is G-1




Quiz: LINK: link types

Ans: LINK: point-to-point (PPP)

broadcast (shared wire)




Quiz: LINK: MAC protocols

Ans: LINK: channel partitioning, random access, take turns




Quiz: LINK: channel partitioning

Ans: LINK: divide channel into pieces to allocate to node for exclusive use

TDMA (time division multiple access), access in rounds

FDMA (freq. division multiple access)




Quiz: LINK: random access

Ans: LINK: node transmit at full channel rate

no coordination among nodes

specify collision detection and recovery




Quiz: LINK: random access protocols

Ans: LINK: slotted ALOHA, ALOHA, CSMA, CSMA/CD, CSMA/CA




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