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Cisco CCNA/CCENT Exam 640-802, 640-822, 640-816 Preparation Kit by Dale Liu

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1. You are a Cisco engineer assigned to configure a WAN connection for a company. You are configuring the WAN connection utilizing PPP. When using PPP, it's important to understand the underlying protocols used to facilitate processes such as link setup and, eventually, teardown of the circuit, link, or line. In PPP, which underlying protocol is responsible for establishing and configuring as well as testing, maintaining, and terminating PPP WAN-based connections? (Choose all that apply.)
A. NCP
B. LCP
C. CDP
D. X.25
Correct Answers & Explanations:A, B. Answer A is correct, because NCP is responsible for the configuration supporting network layer protocols. Answer B is correct, because LCP's primary responsibility is for a PPP connection. BRI and ...

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