During FTTx networking and data planning, consider the safety of users, which of the following measures can prevent the attack among users?

Under which of the following scenario can HG8245 product be available?

The following description which is correct? MxU automatic update strategy, that is, when the device is powered on automatically, the device current version compared with the policy target version, if inconsistent, automatically device software version upgrade to the target version.

(single) According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?

(single) Which of the following is correct in the GPON network?