A) when a router has not discovered a neighbor within three minutes B) when a router has more than three active interfaces C) when a network contains discontiguous network addresses D) when a router has less than five active interfaces E) when a network addressing scheme uses VLSM 25. What is a function of OSPF hello packets? A) to send specifically requested link-state record 8) to discover neighbors and build adjacencies between them C) to ensure database synchronization between routers D) to request specific link-state records from neighbor routers 26. What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence? A) Full B) Two-way C) Loading D) Established 27. Internet sOrOAO s0ON0 R2i show ipv6 interface s0/0/O Ser:a:0/0/0 e up, line protocol ia up FE80: :21E:BErr:ree4 :SS38 IPv6 is enabled, link-local address 3o Virtual link-iocal adcreas (es): Giobal unicass addzess (es) : 2031:C38 : .::2, 20::c38:esco : : ::2, subnet ubnet is is, 2001 :DBE:ACAD : / 64 2001:pBS :CSC0:1::/64 Joined group address (ea) s FE02::2 3 FFO2::1:FFP4:5538 Coutput onitted> Refer to the exhibit. R1 and R2 are OSPFv3 neighbors. Which address would R1 use as the next hop for packets that are destined for the Internet? A) FF02::5 B) 2001:DB8 ACAD:1:2 c) 2001:D88:C5CO:12 D) FE80:21E:BEFF:FEF4:5538 28. What does an OSPF area contain? A) routers that share the same router ID B) routers whose SPF trees are identical C) routers that have the same link-state information in their LSDBs D) routers that share the same process ID