Which of the following parameters need to be considered when electing a root port in STP? ()*

• A.The cost of the port reaching the root switch
• B.Duplex mode of the port
• C.Port priority
• D.Port slot number, such as G0/0/1
• E.MAC address of E port

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It is used to identify wireless networks in WLAN. What distinguishes different wireless networks?

• A.SSID
• B.VAP
• C.BSSID
• D.AP Name

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When planning a campus network, which of the following methods can be used to divide service VLANs? ()

• A.Divide vlan according to the access member structure
• B.Divide VLAN by logical area
• C.Divide VLAN into J by geographical area
• D.VLAN by business

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Which of the following descriptions of wireless devices is correct?

• A.FIT AP independently completes user access, authentication, service forwarding and other functions, and FAT AP works in conjunction with wireless controllers.
• B.The wireless device does not have a wired interface
• C.The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed, safe and reliable WAN services

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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 are added to the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port ? () (Single-choice question)

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

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