A firewall is set to block inbound connections on port 25. Which of the following protocols would enable the administrator to retrieve email without reconfiguring the firewall?
A. SNMP
B. SMTP
C. POP3
D. FTP
Answer: C. POP3
Computer Science & Information Technology
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Which of the following authentication protocols uses certificates to negotiate access to the network?
A. EAPTLS B. PAP C. CHAP D. Kerberos
Computer Science & Information Technology
Describe two places where we begin to see connectivity in closed systems.
What will be an ideal response?
Computer Science & Information Technology