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640-802 CCNA Study Guide - Elktech.org

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Cisco <strong>640</strong>-<strong>802</strong> Exam<br />

A. send a unicast ARP packet to the DSL modem/router<br />

B. send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router<br />

C. send Layer 3 broadcast packets to which the DSL modem/router responds<br />

D. send unicast ICMP packets to the DSL modem/router<br />

Answer: D<br />

Explanation:<br />

When Host1 sends ICMP packets to the DSL modem/router for the first time, Host1 checks the<br />

mapping between the target IP address and the MAC with APP cache and sends unicast ICMP<br />

packets. If Host1 cannot find the mapping between the target IP address and the MAC, Host1<br />

sends broadcast packets to find the MAC mapping the target IP address.<br />

The ARP cache contains the MAC mapping the target IP address 192.168.1.254, so Host1 sends<br />

unicast ICMP packets to the DSL modem/router.<br />

When Host1 sends ICMP packets to the DSL modem/router<br />

QUESTION NO: 353 CORRECT TEXT<br />

Lab- CLI<br />

Central Florida Widgets recently installed a new router in their office. Complete the network<br />

installation by performing the initial router configurations and configuring R1PV2 routing using the<br />

router command line interface (CLI) on the RC.<br />

Configure the router per the following requirements:<br />

Name of the router is R2<br />

"Pass Any Exam. Any Time." - www.actualtests.com 252

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