Practise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer.
Start Scenario PracticeDrag and drop the steps of Rapid PVST+ topology change notification process into the correct order, from first to last.
Explanation: In Rapid PVST+, a topology change is triggered when a non-edge port transitions to forwarding. The switch then sets the proposal bit on its designated ports, sends a proposal message, and expects an agreement from the downstream switch. After receiving the agreement, the port moves to forwarding and the switch propagates the change by setting the TC flag in BPDUs sent on all designated ports. This ensures rapid convergence.
A network engineer is configuring EIGRP on a router that connects to a service provider network. The engineer wants to advertise a default route to internal routers. The engineer configures 'ip default-network 0.0.0.0' and redistributes a static default route into EIGRP. However, internal routers are not receiving the default route. The engineer checks the EIGRP topology table and sees the default route with a metric of 1. What is the most likely reason?
Explanation: The engineer's configuration includes both 'ip default-network 0.0.0.0' (which is an IGRP command, not EIGRP) and redistribution of a static default route. The appearance of the default route in the EIGRP topology table with metric 1 indicates that redistribution occurred, but the route is not being advertised to internal routers. The most likely reason is that the static default route itself is not correctly configured. For EIGRP redistribution to succeed, the static route must point to a valid next-hop IP address using the syntax 'ip route 0.0.0.0 0.0.0.0 <next-hop>'. If the engineer used an interface instead of a next-hop, or the next-hop is unreachable, the static route may be invalid or not installed in the routing table, preventing its advertisement to EIGRP neighbors.
Based on the exhibit, which traffic will be permitted outbound on GigabitEthernet0/0?
Explanation: The exhibit shows an access control list (ACL) applied outbound on GigabitEthernet0/0. The ACL permits TCP traffic from source 192.168.1.0/24 to any destination with a destination port of 80 (HTTP) or 443 (HTTPS). Therefore, only HTTP and HTTPS traffic from the 192.168.1.0/24 network is permitted outbound.
Drag and drop each WAN topology type on the left to its matching characteristic on the right.
Explanation: Point-to-point is simple and dedicated; hub-and-spoke centralizes traffic; full mesh provides high redundancy; partial mesh balances cost and redundancy; MPLS VPN offers any-to-any connectivity.
Which three statements about STP topology changes and convergence are true? (Choose three.)
Explanation: When a topology change occurs in 802.1D STP, the switch that detects the change sends a TCN BPDU toward the root bridge. The root bridge then sets the TC flag in its BPDUs, causing all switches to shorten their MAC address aging timers to flush stale entries. This process ensures rapid convergence of the forwarding database. The Max Age timer is used to age out BPDU information, not to flush MAC addresses. The forward delay timer is used during listening and learning states, not directly for MAC aging.
Practise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer. These appear throughout the 350-401 and require you to apply your knowledge, not just recall facts.
Cisco doesn't publish an exact breakdown, but scenario-based questions (especially exhibit and command-output formats) make up a significant portion of the 350-401. Practicing each scenario type ensures you're ready for any format.
Yes. Courseiva provides free 350-401 scenario practice across all official exam domains. The platform includes scenario-based questions, command-output interpretation, topic-based practice, mock exams, and readiness tracking — no account required.
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