Question 6
(single) Is the following description correct? ONT call emulation refers to the use of the ONT test module instead of the user's phone for call testing. When the ONT POTS user cannot provide voice services, the ONT call emulation test is performed remotely through the OLT command line to help the user diagnose whether the POTS user call of the ONT is normal. ONT can be offline when performing ONT call sim-ulation
Question 7
Cell transmission in the ATM network has two priority levels, through the cell header CLP bit to distinguish, CLP = 1 indicates high priority, CLP = 0 indicates low priority.
Question 8
Triple Play means that it can provide a variety of different business access at the same time on a subscriber line.
Question 9
MAC address is composed of 48 bit, usually showed in 12 hexadecimal, the first six hexadecimal digits by the IEEE in charge of unified distribution, used to determine the uniqueness of the manufacturers, the last six hexadecimal digits by the manufacturers responsible for their own management.
Question 10
(single) Is the following description correct? The VDSL2 standard specifies a frequency band division of up to 30 MHz, which enables high-speed data transmission of up and down symmetrical 100 Mbit/s in a short distance.