101 Does Transmission Control Protocol (TCP) enable best etf 11] In which layer

Question

101 Does Transmission Control Protocol (TCP) enable best etf 11] In which layer of the OSi model does HTTP re 121 DNS uses service provided by: 13) Which servers may be used by the DNS protocol? TCP 14] At which layer the best-effort IP transfer service, is retra 16] What does the TTL (Time-to-Live) field represent? 17) Find the CRC for the for the data d57 using the generator polynomial xx1 18) Every ping ww-ailt out (though it was active). Can you explain? 19] Based on the Delay expression given at higher speed of digital transmisson? Yes No 20] The SNR has a less prevalent 21] Based on slide 27 (chapter 3) in slide 7 (Chapter 3), is the propagation delay less prominent ect on the channel capacity than the channel bandwidth. Yes No

Explanation / Answer

10) Yes. It provides the best effort transfer of information. It resends the data when the data is lost or corrupted.

11) HTTP reside in application layer.

12) DNS uses TCP (for zone transfer) and UDP (for name queries).

13) CRC is appended at Data link layer.

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