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Which of the following ports does NOT normally need to be open for a mail server to operate?
Suggested Answer: C
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Port 119 is normally used for the Network News Transfer Protocol. It is thus not need for a mail server, which would normally listen to ports 25 (SMTP), 110 (POP3) and 143 (IMAP).
Source: STREBE, Matthew and PERKINS, Charles, Firewalls 24seven, Sybex 2000, Chapter 1: Understanding Firewalls.
14 comments · newest first
FL
Florinda
11 months ago
Wait, are you sure about Port 119? That seems off.
MA
Malcom
12 months ago
I thought Port 143 was required too!
CA
Cary
12 months ago
Port 119 is for NNTP, not mail.
LE
Leota
12 months ago
Definitely Port 25 for SMTP is essential.
JU
Justine
1 year ago
Port 110 is for POP3, usually needed.
IN
Ines
1 year ago
If I recall correctly, Port 25 is for SMTP, and I think Port 110 is the one that might not be needed for a mail server to operate.
JA
Jacklyn
1 year ago
I feel a bit confused. I know Port 143 is for IMAP, but I can't recall what Port 119 does.
DO
Dominic
1 year ago
I remember practicing a question like this, and I think Port 110 is for POP3, which is used to retrieve emails.
VA
Vanda
1 year ago
I think Port 25 is essential for sending emails, but I'm not sure about Port 119. Wasn't that related to newsgroups?
RO
Rosamond
1 year ago
I'm feeling pretty confident about this one. The question is clearly asking about the specific configuration setting I need to use to manage the shipping process, and based on the details provided, "Voyage" seems like the most appropriate choice. I'll make sure to double-check my work, but I think I've got a good handle on how to approach this type of question.
SO
Solange
1 year ago
I'm not so sure. Wouldn't financing permanent current assets with short-term debt also be a high-risk policy? That's option C.
NO
Norah
1 year ago
The key here is to make sure Rick can trace the project requirements, so I think the Accounting template is the way to go. That should give him all the tools he needs to do the month-to-month, quarter-to-quarter, and year-to-year comparisons.
EL
Eliseo
1 year ago
I've got a good feeling about this one. The Security Situation Awareness Service is probably using a combination of these technologies to monitor and analyze security-related data. I'll make sure to carefully consider each option before selecting my answer.
AL
Alisha
1 year ago
I'm pretty sure this is asking about a payment system used by CMS for outpatient services. The key seems to be that it's a fixed-fee system that shifts financial risk to the provider.