Layer 2
14 practice questions under this official exam objective (350-401), each with the answer key, an option-by-option explanation and instant feedback.
Questions under this objective
14 total · page 1 of 1CDP Behavior When an Interface Has No IP Address
This page examines Cisco Discovery Protocol operation when the CDP-enabled interface of an adjacent device has no IP address configured. Cisco's own C
SSO and NSF Considerations for Network Redundancy
Learn why Stateful Switchover (SSO) synchronizes supervisors for Layer 2 continuity and why Nonstop Forwarding (NSF) is required for uninterrupted Lay
EtherChannel LACP Passive Mode Configuration
This question tests the specific behavior of Cisco EtherChannel modes, identifying that 'Passive' mode enables LACP only when an LACP device is detect
LLDP Configuration on Single Interface in Multivendor Network
This CCNA 200-301 question tests configuring an industry-standard neighbor discovery protocol (LLDP) on just one interface of a multivendor network ca
How to Stop a Rogue DHCP Server After DHCP Snooping Is Configured?
This question tests how DHCP snooping and DHCP Option 82 interact when a rogue server has already leased an address to MAC 04:66:96:79:0:AB. It establ
Multi-Vendor Network Discovery Protocol Configuration
This question addresses the selection of Layer 2 discovery protocols for a multi-vendor environment, establishing that LLDP is the standard choice ove
Recommended EtherChannel Load-Balancing Mode for Cisco WLCs?
When a Cisco Wireless LAN Controller connects to a switch through an EtherChannel/LAG, the switch must choose a hash mode to spread frames across the
Which command configures an LLDP delay time of 5 seconds?
Identify the correct Cisco IOS command to configure the LLDP reinitialization delay time. This guide clarifies why the 'lldp reinit' command is used t
Disabling an EtherChannel with port-channel min-links
The 'port-channel min-links' command sets the minimum number of active member links required for the EtherChannel to stay up. Setting it to 2 means th
Which Cisco solution enables microsegmentation for virtual switch endpoints?
This question tests which Cisco data center product enforces zero-trust microsegmentation for virtual endpoints attached to ACI Virtual Edge, AVS, Mic
ACI External Switch STP Link Type Configuration
This question addresses the configuration of external non-ACI switches connecting to the Cisco ACI fabric, specifically focusing on resolving STP micr
ACI Port Protection Against STP Loops
This question addresses how to secure an ACI fabric during migration from legacy networks using Spanning Tree Protocol (STP). It establishes that Mult
WoL Across VLANs: Directed Broadcast and WoL-Server Helpers
To wake clients across subnets, enable IP directed-broadcast and ip forward-protocol on the routed/SVI interfaces where the client subnets reside (so
DHCP Snooping MAC Address Verification Drop Conditions
This question tests DHCP snooping configuration and packet validation logic on Cisco switches. It establishes that packets are dropped when source MAC