Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers.<br /> Which of the following is true on R1?（）

A、The show ip ospf neighbors command lists two neighbors off Fa0/0.

B、The show ip ospf neighbors command lists four neighbors off Fa0/0.

C、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.

D、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.

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更多“ Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers.<br /> Which of the following is true on R1?（）”相关的问题

第1题

[] When would you want to disable souce-route and icmp on a router of interface？

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第2题

[单选题] Refer to the exhibit. What type of interface will connect the voice gateway router R1 to the analog phone and the fax machine?（）

A、the analog phone will be connected to the FXS port， and the fax machine will be connected to the FXO port on router R1 B、the analog phone will be connected to the FXO port， and the fax machine will be connected to the FXS port on router R1 C、both devices will be connected to the FXS port on router R1 D、both devices will be connected to the FXO port on router R1 E、both devices will be connected to the E and M ports on router R1

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第3题

[单选题] 两共轴无限长圆柱面（R1=3×10-2米，R2=0.1米）带有等量异号的电荷，两者电势差为450伏，则两圆柱面上的电场强度为：（）

A、Er=3.74×10²/r（伏/米）； B、Er=3.74/r（伏/米）； C、Er=5.35×10²/r（伏/米）； D、Er=5.35/r（伏/米）

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第4题

[单选题] Router R1 has been configured with the commands rout er eigrp 9 and network 172.16.2.0 0.0.0.255, with no other current EIGRP configuration. R1's (working) Fa0/0 interface has been configured with IP address 172.16.2.2/26. R1 has found three EIGRP neighbors reachable via interface Fa0/0, including the rou ter with IP address 172.16.2.20. When the engineer attempts to add the neighbor 172.16.2.20 fa0/0 command in EIGRP configuration mode. Which of the following occurs？（）

A、Fa0/0 fails B、The command is rejecteD C、The existing three neighbors fail D、The neighborship with 172.16.2.20 fails and then reestablishes E、None of the other answers is correct

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第5题

[单选题] What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）

A、CS3 B、CS1 C、EF D、5 E、6

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第6题

[单选题] A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782.The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）

A、Router R2 will not form a neighbor relationship with R1. B、Router R2 will obtain a full routing table, including a default route, from R1. C、R2 will obtain OSPF updates from R1, but will not obtain a default route from R1. D、R2 will not have a route for the directly connected serial network, but all other directly connected