QUESTION 200
QinQ follows the technical standard IEEE802.1ad, and its emergence is mainly to solve the shortage of IPv4 addresses.

QUESTION 201
When you configure services on a per-NE basis, which of the following protection scenarios does not require subnet configuration before subsequent protection operations?

QUESTION 202
What standard encapsulation protocols are defined in MSTP? (Multiple choice)

QUESTION 203
When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple choice)

QUESTION 204
MPLS is not a service or application, it is actually a tunnel technology.

QUESTION 205
The LAN physical layer is often used for the interconnection of routers and switches. Although it is called a LAN, if a 10GBase-LR or -ER optical module is used, the transmission distance can reach 80 kilometers.

QUESTION 206
Which of the following is not included in the product highlights of OptiXtrans E6608T/Optix OSN
1800 II?

QUESTION 207
The MAC loopback and PHY loopback are used for fault location. When the MAC loopback is set to in loop, the PHY loopback can be set according to the actual situation.

QUESTION 208
Which of the following service nodes can be connected via a transport network? (Multiple choice)

QUESTION 209
When configuring 1+1 optical line protection, you can select RI1TO1 or RI2/T02 as the working channel according to actual conditions.

QUESTION 210
MSTP supports dynamic allocation of bandwidth based on the amount of data.

QUESTION 211
What are the options for the switch’s switching mode? (Multiple choice)

QUESTION 212
After the U2000 sends configuration data to the network element, if the SCC single board authentication fails, the network element enters the installation state.

QUESTION 213
The rate of SF64 and SL64 boards is STM54. Therefore, the two plates can be interconnected.

QUESTION 214
SXCL board only supports SDH service cross-connection.

QUESTION 215
Which of the following descriptions about full-duplex Ethernet is wrong?

QUESTION 216
Which of the following descriptions of ODUk_PM_BDI is correct?