An administrator suspects that an incorrect POTS line is carrying the DSL signal. Which of the following will help diagnose this issue?

A __________ attack is a bot attack on a computer system or network that causes a loss of service to users.

A. spam B. phishing C. DDoS D. sniff

What type of computer can forward RADIUS messages between RADIUS clients and RADIUS servers?

A. intermediate proxy B. remote proxy C. RADIUS proxy D. translation proxy