An FTP client initiates its connection set-up process with a TCP three-way hands

Question

An FTP client initiates its connection set-up process with a TCP three-way handshake with an FTP server. Which flag(s) will be set in the TCP header of the first packet exchanged for this handshake? Select one: SYN only none of the others ACK only PSH only SYN and ACK FTP server listens through a well-known TCP port for incoming requests What range should the port number be within? Select one: 0-1023 none of the others 8191-65535 1024-8190 If both IP and UDP protocols are not reliable, what is the purpose of having UDP? Select one: To be able to have multiple applications sharing a single network connection none of the others IP provides a best-effort service while UDP does not d UDP is a connection oriented protocol, IP is not

Explanation / Answer

1) a

2) b

3)a

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