Question Detail Which protocol uses both TCP and UDP FTPSMTPTelnetDNS Answer: Option D Similar Questions : 1. Which layer of TCP/IP stack is equivalent to transport layer of OSI Application layerHost to Host layerInternetNetwork access Answer: Option B 2. Which protocol uses window flow system UDPTCPFTPNone of above Answer: Option B 3. Which layer will be used while transmitting data using FTP or Telnet PresentationApplicationSessionTransport Answer: Option B 4. Which IP is reserved for loopback testing 192.168.0.010.255.255.255255.0.0.0None of above Answer: Option DExplanation:127.0.0.1 is reserved for loopback testing 5. Which protocol deals with emails FTPSMTPLPDX window Answer: Option B Read more from - TCP-IP Questions Answers