Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions?

• A.CHAP
• B.MRU
• C.PAP
• D.Magic words

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By default, what is the lease period for the DHCP server to assign an IP address? ()

• A.24h
• B.12h
• C.1h
• D.18h

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Apply the ACL configured as shown in the figure in Telnet. Which of the following statements is correct?

• A.The device with IP address 172.16.105.4 can use Telnet service
• B.The device with IP address 172.16.105.5 can use Telnet service
• C.The device with IP address 172.16.105.3 can use Telnet service
• D.The device with IP address 172.16.105.6 can use Telnet service

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Which information of the data frame is used by the VLANIF interface to determine whether to perform Layer 2 or Layer 3 forwarding? ()

• A.Source IP
• B.Source MAC
• C.Destination port
• D.Destination MAC

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When two switches are interconnected using link aggregation technology, which of the following conditions must be met by each member port?

• A.The number of physical ports connected at both ends is the same
• B.The physical numbers connected at both ends are the same
• C.The physical ports connected at both ends use the same optical module model
• D.The physical speeds connected at both ends are the same

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