________ is a well-known port number for web-server programs.
A) TCP Port 80
B) TCP Port 25
C) TCP Port 21
D) TCP Port 1023
Correct Answer:
Verified
Q63: A subnet can only have one host.
Q64: IP was created in the early 1980s.
Q65: In TCP, ending a conversation normally takes
Q66: What does a reliable protocol do?
A) Detects
Q67: If a flag field is not set,
Q69: _ uses options extensively.
A) IPsec
B) A LAN
C)
Q70: An unreliable protocol does not detect and
Q71: TCP is considered a reliable protocol.
Q72: ICMP messages are delivered in the data
Q73: DNS servers for _ domains can include
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