QuestionQ143

Network Design

A network architect requires secure access to the organization's perimeter routers and firewalls. The administrator needs to access the network devices from a remote location reachable through the WAN cloud. Which action satisfies these requirements?

  • A Enable the SSH protocol with a strong username and password using an internet link for management purposes.
  • B Create an in-band network management network.
  • C Create a secure IPsec tunnel interface using an internet link for device management purposes.
  • D Create an out of band network management network.
Explanation

An IPsec tunnel creates an authenticated and encrypted connection across a public network such as the Internet, allowing remote management traffic to reach the devices without exposing that traffic directly over the WAN. Cisco documents that IPsec-based VPNs establish secure tunnels and provide authentication and encryption for data sent across them.

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