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BSCI Exam Cram™ 2 (Exam 642-801) by Ed Tittel, Michael J. Shannon

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Exam Prep Questions

Question 1 You are in a networking environment where a border router is configured with both OSPF and EIGRP dynamic routing protocols. Which path to a remote network is the preferred selection if EIGRP and OSPF have both discovered it?
  • A. IGRP

  • B. EIGRP

  • C. OSPF

  • D. Gateway of last resort

A1: Answer B is correct. The AD is the first priority given by the Cisco IOS, and EIGRP has a lower AD (90) than OSPF (110). Answer A is incorrect because IGRP is not running on this router. Answer C is incorrect because OSPF has a higher AD value and is therefore less trustworthy than EIGRP. Answer D is incorrect because, although valid, the gateway of last resort would be a factor only if no route existed in the routing table to the remote network. ...

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