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Cisco
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Examen Cisco CCNA V3.1
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Module 4
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Final
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Question 17/39
17.Which protocol should be chosen to support WAN connectivity in a multi-vendor system and provide strong security through authentication?
NAT with DHCP
Frame Relay
HDLC with encryption
HDLC with CHAP
PPP with PAP
PPP with CHAP
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