Cisco ENCOR 350-401 Trivia Flashcards

Which protocol does Cisco DNA Center use to push configuration changes to network devices in a model-driven way?

Answer: RESTCONF/NETCONF

Cisco DNA Center uses NETCONF and RESTCONF over SSH/HTTPS to push YANG-modeled configurations to managed devices.

In IPv6, which address type is equivalent to an IPv4 private (RFC 1918) address and is routable only within an organization?

Answer: Unique Local (FC00::/7)

IPv6 Unique Local Addresses (ULA) in the FC00::/7 range are the functional equivalent of IPv4 private addresses, not globally routable.

Which StackWise technology feature allows a failed stack master to be replaced without disrupting traffic forwarding?

Answer: Stateful Switchover (SSO)

SSO (Stateful Switchover) synchronizes the standby supervisor's state so it can take over as master without disrupting the forwarding plane.

What is the role of the Rendezvous Point (RP) in PIM Sparse Mode multicast?

Answer: It serves as the meeting point for sources and receivers

The RP in PIM-SM acts as the central meeting point where multicast sources register and receivers join, enabling source-to-receiver path setup.

Which Cisco feature uses MAC address tracking to prevent unauthorized DHCP servers from responding to client requests?

Answer: DHCP Snooping

DHCP Snooping validates DHCP messages and only allows responses from trusted ports, blocking rogue DHCP servers on untrusted ports.

In the context of REST APIs for network automation, which HTTP method is idempotent and used to completely replace a resource?

Answer: PUT

PUT replaces the entire resource at the specified URI and is idempotent — sending the same PUT request multiple times produces the same result.

Which Cisco wireless security standard uses SAE (Simultaneous Authentication of Equals) to replace PSK handshakes?

Answer: WPA3-Personal

WPA3-Personal uses SAE (also known as Dragonfly handshake) to provide forward secrecy and protect against offline dictionary attacks.