多项选择题 Refer to the exhibit. Which two statements are correct？（）

单项选择题 Refer to the exhibit. BGP has been configured on the routers in the network. However， the IBGPpeers in autonomous system 65200 have not converged. In addition， this console message wasgenerated on router R2：  *Mar 1 03：09：07.729： %TCP-6-BADAUTH No MD5 digest from 10.10.23.2（179） to10.10.23.3（11002）  On the basis of the information that is provided， what is the cause of the problem？（）

单项选择题 Refer to the exhibit diagram and configuration. RTB is summarizing its networks from AS 64100with the aggregate-address command. However， the show ip route command on RTA reveals theRTB individual networks as well as its summary route. Which option would ensure that only thesummary route would appear in the routing table of RTA？（）