H12-891 Web TestEngine demo

In the following figure, R1, R2, R3, and R4 all belong to OSPF area 0. The link costs are marked in the figure. The Loopback0 addresses of R1, R2, R3, and R4 are advertised to OSPF. R1, R2, and R3, which are R4 clients, use Loopback0 to establish an iBGP peer relationship with R4. The directly connected network segment 172.20.1.4/32 of R4 is advertised to BGP.

Which of the following statements are correct about the direction of traffic from R1 to 172.20.1.4/32? (Choose two)

Select all that apply.

• A

  The preferred path is R134.

• B

  If the stub router on-startup command is run on R3, packet loss occurs during the power-off process of R3 but no packet loss occurs during the startup process of R3.

• C

  The preferred path is R124.

• D

  Packet loss occurs during both the power-off and startup processes of R3.