Need help with Networking Fundamentals homework.

1. Select the network service that is used to transfer files across the Internet, but is designed to have little overhead.

A. FTP

B. Telnet

C. HTTPS

D. SSH

2. Select the port range that devices will use when opening a connection to a remote network service.

A. 0-1023

B. 49512-65535

C. 1024-49151

D. 10000-29999

3. True or false: both the client and the server have to send FIN flags with following ACK segments to gracefully close a TCP connection.

4.

Select the protocol that operates at layer 3 of the OSI model and is used to deliver connectionless datagrams to their intended destination.

A. ICMP

B. NTP

C. IGMP

D. SMTP

5. Select the protocol and port number that keeps device clocks synchronized across the network.

A. DHCP/123

B. DHCP/53

C. DNS/53

D. NTP/123