Cisco ENCOR 350-401 Trivia Flashcards

Which Cisco technology uses a control plane that is physically separated from the data plane across the entire network fabric?

Answer: SD-Access

SD-Access separates the control plane from the data plane using a centralized controller (Cisco DNA Center) to manage the entire fabric.

In OSPF, what is the default hello interval on a broadcast network?

Answer: 10 seconds

OSPF uses a default hello interval of 10 seconds on broadcast and point-to-point networks.

Which QoS model uses per-flow state information and RSVP signaling to guarantee bandwidth?

Answer: IntServ

Integrated Services (IntServ) uses RSVP to signal and reserve per-flow resources end-to-end across the network.

What is the purpose of the Cisco TrustSec Security Group Tag (SGT)?

Answer: Classify traffic for policy enforcement regardless of IP

SGTs classify network traffic at ingress and allow policy enforcement based on user/device identity rather than IP address.

Which spanning tree port state forwards frames but does NOT learn MAC addresses?

Answer: Listening

In the Listening state, a port participates in spanning tree and can forward BPDUs, but it does not learn MAC addresses.

In BGP, which attribute is used FIRST in the BGP path selection process?

Answer: Weight

Cisco's BGP path selection first checks the Weight attribute, which is Cisco-proprietary and locally significant to the router.

Which multicast protocol is used between a multicast router and directly connected hosts to manage group membership?

Answer: IGMP

IGMP (Internet Group Management Protocol) is used by hosts to report multicast group membership to their directly connected routers.