Question 176

Is the following description correct? The larger the return loss, the better. In general, the return loss of APC is greater than that of PC type connectors.
  • Question 177

    The OLT supports multiple protection switching modes for GPON lines. The ( ) technology is supported by the OLT to protect the backbone and branch optical fibers at the same time.
  • Question 178

    Which of the following isql login database commands is correct?
  • Question 179

    When the PC obtains an IP address through DHCP, the gratuitous ARP packet will be used to detect whether the allocated IP is occupied. Among the following options, which of the following options is correct about the time point when the gratuitous ARP packet is sent?
  • Question 180

    What services does TCONT 0 generally run in ONT?