IPv6 uses ______ notation to represent addresses.

• A.dotted decimal
• B.colon hexadecimal
• C.dotted hexadecimal
• D.colon decimal

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The following description of Trunk ports and links is wrong. ______. (Multiple choice)

• A.Trunk link can carry data frames with different VLAN IDs
• B.The PVID value of the Trunk port cannot be modified
• C.When the Trunk port sends a data frame, if the data frame does not have a VLAN ID, add the corresponding PVID value to the data frame as the VLAN ID
• D.The data frames transmitted on the Trunk link are all with VLAN ID

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The router S0/0 interface is connected to the network through frame relay, and the following interface information can be seen on this router:
[MSR]display interface Serial 0/0
Serial0/0 current state: UP
Line protocol current state: UP
Internet Address is 3.3.3.1/24 Primary
Link layer protocol is FR IETF
LMI DLCI is 0, LMI type is Q.933a, frame relay DTE
LMI status enquiry sent 91, LMI status received 69
LMI status timeout 22, LMI message discarded 1
Then you know ______. (Multiple choice)

• A.This interface has sent 91 status query messages to query the PVC status of the interface
• B.The LMI type of the interface package is Q.933a
• C.The virtual circuit number used by the interface is DLCI 0
• D.The PVC status of the interface is already UP

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The network address of the natural classification network segment corresponding to the IP address 192.48.117.22 is.

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Compared with traditional LAN, which of the following advantages does VLAN have? (multiple choice)

• A.Reduce the cost of movement and change
• B.Create a virtual working group
• C.Users are not restricted by physical devices, VLAN users can be anywhere in the network
• D.Limit broadcast packets and improve bandwidth utilization
• E.Enhance the security of communication
• F.Enhance the robustness of the network

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