Question 76
To query the CPU utilization of a certain device through SNMP, before executing the query action, which information should be mastered by the network management application
Question 77
SOA-based network architecture divides the enterprise IT system into which of the following levels-(choose one or more)
Question 78
The figure shows the networking application of RRPP. The customer LAN switches SWA, SWB, SWC, and SWD form RRPP ring main ring 1, the switches SWB, SWC and SWE form sub-ring 2, and switches SWB, sWC and sWF form sub-ring 3. If The switch SWE is the master node of sub-ring 2, and SWF is the master node of sub-ring 3. It can be learned from the above information


Question 79
When the IGMPV3 host wishes to leave the multicast group G, the host will actively send a Membership Report message, and the group record contained in the message is
Question 80
The SSH protocol is widely used as a secure remote login protocol. What is correct about SSH is _______