Q1- Which application layer protocol is used to resolve a device hostname ir its numeric IP address? * a. SMTP b. FTP c. DNS O d. HTTP Q2- Which statement characterize TCP protocol? * a. TCP does not use port numbering to ensure reliability b. TCP transmission is faster than UDP O C. TCP is more reliable than UDP O d. TCP does not use port numbering to ensure fast transmission Q3-Which utility uses the Internet Control Messaging Protocol (ICMP)? a. Ping O b. RIP c. DHCP O d. DNS