A user reports that a desktop computer relocated to a new office desk has no network access. A technician checks the back of the computer and notices that the Ethernet network adapter LED link lights are completely dark. Which TWO of the following initial actions should the technician take to troubleshoot this physical layer issue?
- Verify that the Ethernet patch cable is securely plugged into both the computer's network interface card and the wall jack.Cevap
- Replace the existing patch cable with a known-working Ethernet cable to rule out a damaged cable.Cevap
- CReconfigure the network adapter settings to request an IP address lease directly from the primary DNS server.
- DChange the wireless access point configuration to broadcast on 2.4 GHz channel 3 to reduce signal interference.
Cevap
The technician should verify that the Ethernet patch cable is securely plugged into both ends and replace the patch cable with a known-working cable.
Unlit network interface card LED indicators indicate a physical layer (Layer 1) connection failure. Verifying that the Ethernet cable is firmly seated in both the host NIC and wall port, as well as replacing the cable with a known-working one, directly addresses and isolates physical cable and connection faults.
Adım Adım Çözüm
Anahtar Kavram
Wired Network Physical Layer Troubleshooting