DES-5121試験無料問題集「EMC Specialist - Implementation Engineer, Campus Networking 認定」

What is the IP protocol number, in decimal, assigned by IANA for VRRP?

A network administrator is planning a PoE budget for their network.
What is the PoE source maximum power budget for a Class 4 end device?

When setting up VoIP, you decide that you want to use LLDP. LLDP is enabled by default and LLDP Transmit Management Information and Notification modes are enabled.
What additional steps need to be performed?

After setting up the VoIP configuration, a network administrator issues the following commands with the results shown:
console# show voice vlan
Administrative Mode...........................Enable
console# show voice vlan it gi 1/0/2
Interface........................................Gi1/0/2
Voice VLAN Interface Mode...............Enabled
Voice VLAN ID...............................10
Voice VLAN COS Overwrite...............False
Voice VLAN DSCP Value...................46
Voice VLAN Port Status.....................Enabled
Voice VLAN Authentication................Disabled
Based on this information, what is the Layer 3 QoS value?

A switch interface has been properly configured for static port security with one defined allowable MAC address. However, when the network administrator plugs a switch into that port, multiple devices are still allowed access to the network.
Where must port security also be enabled to have an effect?