多选题What are the two well-known UDP ports used by RADIUS accounting servers?（）A1645B1646C1812D1813
多选题
What are the two well-known UDP ports used by RADIUS accounting servers?（）
A
1645
B
1646
C
1812
D
1813
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What are the two well-known UDP ports used by RADIUS accounting servers?（）A、1645B、1646C、1812D、1813
our network contains a Network Policy Server (NPS) named NPS1 and a network access server named NAS1. NAS1 is configured to use NPS1 for authentication and accounting. A firewall separates NPS1 and NAS1.You need to ensure that NAS1 can successfully send authentication and accounting messages to NPS1.Which ports should you allow through the firewall？（）A、TCP ports 80, 443, 389 and 1645B、TCP ports 88, 135, 139 and 1813C、UDP ports 53, 67, 68 and 69D、UDP ports 1812, 1813, 1645 and 1646
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多选题What are the two well-known UDP ports used by RADIUS accounting servers?（）A1645B1646C1812D1813
单选题In computer security， AAA stands for authentication， authorization and accounting. Which optionabout the AAA authentication enable default group radius enable command is correct？（）AIf the radius server returns an error， the enable password will be usedBIf the radius server returns a ’failed’ message， the enable password will be usedCThe command login authentication group will associate the AM authentication to a specifiedinterfaceDIf the group database is unavailable， the radius server will be used
多选题To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?（）AEach end of the trunk line must be set to IEEE 802.1E encapsulation.BThe VTP management domain name of both switches must be set the same.CAll ports on both the switches must be set as access ports.DOne of the two switches must be configured as a VTP server.EA rollover cable is required to connect the two switches together.FA router must be used to forward VTP traffic between VLANs.
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多选题Which two statements correctly describe characteristics of the PortFast feature？ （）ASTP will be disabled on the port.BPortFast can also be configured on trunk ports.CPortFast is required to enable port-based BPDU guard.DPortFast is used for both STP and RSTP host ports.EPortFast is used for STP-only host ports.
多选题Which of the following ports are used by default for web servers? （）(Select TWO)A80B110C123D143E443
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