In a broadcast address, all host bits are set to 1 and a broadcast address can be used as a host address.
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
The network Management Station uses SNMP to manage devices, which SNMP message is sent when an SNMP registered abnormal event occurs?
The controller is the core component of SDN and connects to devices through southbound interfaces. Which of the following are southbound protocols used by the controller? (Choose two.)
When both ends running PPP protocol detect that the physical link is active, the link state will transit from dead to establish. Which of the following protocols is used to negotiate the link parameters during this phase?
During STP calculation, the port cost is associated with the port bandwidth by default. Which of the following statements about the relationship between port cost and port bandwidth is true?
