Identify Common Troubleshooting Issues. NETWORKING-DESIGN Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A Dell switch is configured with a port-channel to a neighboring switch. The port-channel is not coming up. The administrator checks the physical ports and they are all up. What is the most likely cause?

   • AThe port-channel is not assigned an IP address.
   • BThe port-channel has a higher port priority.
   • CThe port-channel mode is set to 'on' on one side and 'active' on the other.
   • DThe port-channel is assigned to the wrong VLAN.
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A Dell switch is configured with a DHCP snooping feature. A legitimate DHCP server is connected to a port, but clients are not receiving IP addresses. What is the most likely cause?

   • AThe DHCP server is not in the same VLAN as the clients.
   • BThe DHCP snooping database is full.
   • CThe port connected to the DHCP server is not trusted.
   • DThe DHCP server is not configured with a static IP address.
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   A Dell switch is configured with a static route to a remote network. The route is in the routing table, but traffic is not reaching the destination. What is the most likely cause?

   • AThe route has a high administrative distance.
   • BThe next-hop IP address is unreachable.
   • CThe route is not in the forwarding table.
   • DThe route is not redistributed into the routing protocol.
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   A Dell switch is deployed and connected to an upstream router, but the link remains down. Which common troubleshooting issue should be checked first?

   • ACheck whether the switch's spanning tree protocol (STP) is blocking the port.
   • BConfirm that the switch has a valid software license for the port speed being used.
   • CEnsure that the switch's management IP address is in the same subnet as the router.
   • DVerify that the correct cable type (e.g., copper vs. fiber) and transceiver are being used for the link.
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   During a Dell switch deployment, a technician notices that a newly configured VLAN is not passing traffic between two access ports. Which common troubleshooting step should be performed first to isolate the issue?

   • AReplace the network cables connecting the two access ports to rule out physical layer faults.
   • BCheck the switch's system log for any error messages related to spanning tree protocol (STP) on the VLAN.
   • CReboot the switch to clear any temporary software glitches that may be blocking VLAN traffic.
   • DVerify that the VLAN is present in the switch's running configuration and that the ports are assigned to it.
   Reveal Solution Discussion Select an answer first