CompTIA
SK0-003 · Question #172
SK0-003 Question #172: Real Exam Question with Answer & Explanation
Sign in or unlock SK0-003 to reveal the answer and full explanation for question #172. The question stem and answer options stay visible for context.
Question
An email server has been installed; however, the staff reports that they are unable to receive email from external email addresses, but they can email each other. Which of the following is the MOST likely reason for this?
Options
- AThe company firewall is blocking SMTP ports.
- BThe DHCP server is misconfigured.
- CThe DNS server is only resolving internal name spaces.
- DThe email server should be configured to resolve names by IP addresses.
Unlock SK0-003 to see the answer
You've previewed enough free SK0-003 questions. Unlock SK0-003 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.