A customer is attempting to download a file from a remote FTP server, but receives an error that a connection cannot be opened. Which of the following should be one FIRST to resolve the problem?
A. Ensure that port 20 is open
B. Ensure that port 161 is open
C. Flush the DNS cache on the local workstation
D. Validate the security certificate from the host
Exam N10-008: CompTIA Network+Free dumps for N10-008 in PDF format.High quality N10-008 PDF and software. VALID exam to help you pass. |
 |
