Refer to the exhibit. Why does the trust state of interface FastEthernet 0/3 show "not trusted"？ （）
A: DSCP map needs to be configured for VOI
B:
C: ToS has not been configured.
D: ToS has been misconfigured.
E: The command mls qos needs to be turned on in global configuration mode.
F: There is not a Cisco Phone attached to the interface.
A: DSCP map needs to be configured for VOI
B:
C: ToS has not been configured.
D: ToS has been misconfigured.
E: The command mls qos needs to be turned on in global configuration mode.
F: There is not a Cisco Phone attached to the interface.
举一反三
- On router R1， which three of the following protocols will be forwarded to a host specified by the "iphelper-address" interface configuration command if the configuration has not been modified by the"ip forward-protocol udp" global configuration command？（） A: BOOTP B: TFTP C: ARP D: DNS E: proxy-ARP F: FTP G: CDP
- Refer to the exhibit. A network administrator has configured two switches, named SWA and SWB, to use VTP. However, the switches are not sharing VTP messages. Given the command output shown in the graphic, why are these switches not sharing VTP messages?3dcfad9c45a627b8ffcacd837153a3a3.jpg
- An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21， 23 and 25. What types of packets will be permitted by this ACL (Choose three.)（）。
- Which of the following is required to ensure the completion of all tests within the automated procedure of thecluster test tool？（） A: Application monitoring has been configured B: Only disk heartbeat networks have been used C: Cluster nodes are attached to two IP networks D: Resource Group dependencies have been configured
- Refer to the output. What IOS command produces this output？（） A: show ip ospf B: show ip ospf interface C: show ipv6 ospf interface D: show ipv6 ospf