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
The multicast IP address is 2291301301, and its corresponding MAC address is :(Multilist)
By default, which of the following security MAC address types lose table entries after the device restarts?
If the OSPF protocol is running in the network, after configuring the non-osseous thousand region in the OSPF region as the Totally Stub region, the ABR router sends a message to Totally The Stub area issues an LSA with an LSID of 0000, which category the LSA belongs to LSA?( Single choice questions).
D Class IP address range 239000-239255255,What does 255 do? Radio