Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? (Multiple choices)

• A.Operating system name
• B.IP address
• C.DNS address
• D.Gateway address

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The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation, and all interfaces join the link aggregation group. At the same time, set the maximum number of active ports to 3. Which interface of switch A is not active port?

• A.G0/0/2
• B.G0/0/3
• C.G0/0/1
• D.G0/0/0

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A certain ACL of the router is in the following rules, rule deny source 192.168.2.0 0.0.0.255 destination 172.16.10.2 0.0.0.0 Which statement is correct?

• A.All TCP packets whose source IP is 172.16.10.2. Destination IP is 192.168.2.1 match this rule
• B.All TCP packets whose source IP is 172.16.10.2 and destination IP 192.168.2.0 match this rule
• C.All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
• D.All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.2 are configured with this rule.

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What percentage does the DHCP client expect to send the lease renewal message for the first time?

• A.0.5
• B.0.875
• C.1
• D.0.25

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Which of the following statements about the role of STP protocol Forward Delay is correct?

• A.There is a delay when the B1ocking state and the Disabled state are converted
• B.Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches
• C.Reduce the time interval of BPDu sending. Improve the convergence speed of STP
• D.Prevent temporary loops

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