100-150: Cisco Certified Support Technician (CCST) NetworkingDemo

By Cisco · Question Mode

QuestionQ23

IP Connectivity

Examine the graphic.

Question Image

Which addresses should be configured as the default gateways for hosts in VLAN 100 and VLAN 110 so they can access the internet?

  • A Hosts in both VLANs should be assigned 10.10.100.1 as the default gateway.
  • B Hosts in both VLANs should be assigned 172.0.0.1 as the default gateway.
  • C Hosts in VLAN 100 should be assigned 172.100.0.1 and hosts in VLAN 110 should be assigned 172.110.0.1 as the default gateway.
  • D Hosts in both VLANs should be assigned 10.10.100.78 as the default gateway.
Explanation

A host’s default gateway must be the router interface in the same IP subnet as the host. The gateway for VLAN 100 (172.100.0.0/16) is 172.100.0.1, and the gateway for VLAN 110 (172.110.0.0/16) is 172.110.0.1. Those router interfaces can forward traffic toward the ISP and internet.

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