Describe the Operation and Behavior of LLDP, VLANs, STP, and LAG NETWORKING-FOUNDATIONS Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Which protocol is commonly used to negotiate a LAG between two switches?

   • ADynamic Host Configuration Protocol (DHCP)
   • BLink Aggregation Control Protocol (LACP)
   • CLink Layer Discovery Protocol (LLDP)
   • DSpanning Tree Protocol (STP)
   Reveal Solution Discussion Select an answer first
2. 17expert · hard

   A network administrator has configured a LAG between two Dell switches. The LAG is working, but the administrator wants to ensure that if one link fails, the remaining links continue to carry traffic without interruption. What is the best way to achieve this?

   • ADisable STP on the LAG to prevent blocking.
   • BEnsure that the LAG is configured with LACP and that the load-balancing algorithm is set to distribute traffic across all links.
   • CConfigure the LAG as a trunk port to carry multiple VLANs.
   • DSet the LAG to use only one active link and keep the others as standby.
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   At which layer of the OSI model do VLANs operate?

   • ALayer 3 (Network)
   • BLayer 4 (Transport)
   • CLayer 2 (Data Link)
   • DLayer 1 (Physical)
   Reveal Solution Discussion Select an answer first
5. 19expert · hard

   A Dell switch has a trunk port that carries VLANs 10, 20, and 30. The administrator wants to ensure that VLAN 30 traffic is not sent over the trunk, but VLAN 10 and 20 should continue to work. What is the best way to achieve this?

   • AChange the native VLAN to VLAN 30.
   • BDisable STP on the trunk port.
   • CSet the trunk port to access mode and assign it to VLAN 10.
   • DRemove VLAN 30 from the allowed VLAN list on the trunk port.
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A company has multiple departments that should not be able to communicate with each other at Layer 2. The network uses Dell switches. What is the most efficient way to achieve this?

   • AConnect each department to a separate switch.
   • BUse access control lists (ACLs) on the switches.
   • CUse different IP subnets for each department.
   • DCreate a separate VLAN for each department and assign ports accordingly.
   Reveal Solution Discussion Select an answer first