單項選擇題

Part of the routing table of router PG1 is displayed below:

From analyzing the above command output,what is the administrative distance of the external EIGRP routes（）

A.24
B.32
C.90
D.170
E.27316
F.None of the other alternatives apply


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1.多項選擇題EIGRP is being used as the routing protocol on the PassGuide network. Whiletroubleshooting some network connectivity issues，you notice a large number of EIGRP SIA（StuckinActive）messages. What causes these SIA routes（）

A.The neighboring router stops receiving ACK packets from this router.
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