If you can ping the peer host successfully, which of the following methods is the most appropriate for subsequent troubleshooting?

During unpacking and inspection, the device appearance is intact and all modules work properly after the first power-on. After the device continuously runs for 24 hours, a fault occurs on a card. This situation does not conform to DOA conditions.

Enterprise networks usually use DHCP to assign IP addresses to users. Unlike static IP address assignment, DHCP address assignment greatly reduces the workload for managing network addresses.

In most cases, optical power is expressed in dBm. Which of the following values in dBm is supported by most optical transceiver devices to receive and identify data?

Which of the following statements regarding common functions of the NMS is true?