A. [less-equal-value, 32]

B. Not limited

C. [0, less-equal-value]

D. [mask-length, less-equal-value]

A. Configure the system MAC address switchover for the stack

B. Use a stack card to connect the devices to be stacked

C. Enable the function of preferentially forwarding local traffic

D. Enable multi-active detection (MAD) for the stack

A. Fast convergence and lower CPU utilization

B. High CPU utilization and prone to routing loops

C. Slower convergence time and high CPU utilization

D. Fast convergence and greater CPU utilization

A. Only when the priority of the R2 ISIS 5 R1 10.0.2.2/32 P OSPF protocol is adjusted to be the routing entry of the destination network segment will be generated.

B. If the R2 ISIS 5, R1 10.0.2.2/32 P ISIS protocol priority level is adjusted to then the destination segment is generated by the route entry.

C. If the priority of the R1 ISIS 5, R1 10.0.2.2/32 P ISIS protocol is adjusted to then the routing entry on the destination network segment is generated.

D. If the priority of the R1 ISIS 5, R1 10.0.2.2/32 P OSPF protocol is adjusted to then the route entry of the destination network segment is generated.

A. Bit 4, 5, and 6 of the ToS byte

B. The three least significant bits of the ToS byte

C. All 8 bits of the ToS byte

D. The three most significant bits of the ToS byte