After configuring RIPng on two routers that are connected via a WAN link, a network engineer notices that the two routers cannot exchange routing updates.
What is the reason for this?
A. Either a firewall between the two routers or an ACL on the router is blocking TCP 521.
B. Either a firewall between the two routers or an ACL on the router is blocking UDP 520.
C. Either a firewall between the two routers or an ACL on the router is blocking UDP 521.
D. Either a firewall between the two routers or an ACL on the router is blocking TCP 520. C
After configuring RIPng on two routers that are connected via a WAN link, a network engineer notices that the two router
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After configuring RIPng on two routers that are connected via a WAN link, a network engineer notices that the two router
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