Which of the following protocols uses both TCP and UDP?
A. FTP
B. SMTP
C. Telnet
D. DNS
Answer: Option D
Solution(By Examveda Team)
DNS uses TCP for zone exchanges between servers and UDP when a client is trying to resolve a hostname to an IP address.Related Questions on TCP IP
Which of the following services use TCP?
1. DHCP
2. SMTP
3. HTTP
4. TFTP
5. FTP
A. 1 and 2
B. 2, 3 and 5
C. 1, 2 and 4
D. 1, 3 and 4
What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
A. Application
B. Host-to-Host
C. Internet
D. Network Access
A. 1 only
B. 1 and 2
C. 3 and 4
D. 4 only
Join The Discussion