In the OSPF network shown in the figure, the link cost value has been marked in the figure, R1 enables OSPF IP FRR, then which of the following descriptions is wrong?

In a VRRP deployment, Router A has priority 120 and Router B has priority 110. Router A fails and Router B becomes Master. After Router A recovers, Router B continues forwarding traffic.
Which feature explains this behavior?

The administrator uses the display mpls lsp command to view the LSP of the device. The output information is shown in the figure. Which of the following descriptions of the information are correct? (Multiple choice)

The exchange of Hello messages between two LSRs (Label switching Routers) triggers the establishment of an LDP session. The Hello message carries the transport address. The device with the smaller transport address will act as the active party and initiate the establishment of a TCP connection.

The concepts of RD and RT are introduced in BGP/MPLS IP VPN network. Which of the following descriptions about RD and RT are correct? (Multiple choice)