As shown in the figure, a company sets up an OSPF network. The links in the figure all form OSPF
adjacencies, and all OSFP devices declare their own loopback addresses. One day SIR2 The two links of the
S2AR1 suddenly failed, and in order to detect if the network was operating properly, the engineers performed
a device status check, which is correct as described below
?? ipIp- prefoi p prefierame lndeindeoxrunmber)( pemit demy)ip+4adrssmasklengh gratrequa grater-cqual
abel]lescqualesequl ole) for • Pprefofiier? If a pre-list of tooequal has been specified, but the greater-equal has
not been specified, then how much of the prefix's range is sufficient?(). Radio neck).