多项选择题
A.The network shown in the output under the ip dhcp pool Central command should be changed to network 10.10.0.0 with a mask of 255.255.255.0
B.A second DHCP pool for network 10 .10.0.0/24 should be configured
C.An ip dhcp excluded - address global configuration command for network 10.10.0.0/24 should be issued
D.The ip helper -address 10.0.0.1 command should be issued so that the address can be added to the Fast Ethernet0/0 c onfiguration
E.The ip helper -address 10.0.0.1 command should be issued so that the address can be added to the Fast Ethernet0/1 configuration
单项选择题 Refer to the exhibit. EIGRP had converged in AS 1 when the link between router R1 and R2 went down. The console on router R2 generated the following messages: *Mar 20 12:12:06: %DUAL - 5NBRCHANG E: IP - EIGRP 1: Neighbor 10.1.4.3 (Serial0) is down: stuck in active *Mar 20 12:15:23: %DUAL -3- SIA: Route 10.1.1.0/24 stuck - in - active state in IP - EIGRP 1. Cleaning up The network administrator issued the show ip eigrp topology active command on R2 to check the status of the EIGRP network. Which statement best describes the reason for the error messages?（）
多项选择题 A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes. Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）
单项选择题 You are a network techn ician, study the exhibit carefully. All multilayer switches are running PIM sparse mode. Host CKB and Host CKF are sending IGMPv2 join messages to their respective multilayer switches. Which description is correct?（）
