What is used to identify wireless networks in WLAN and distinguish different wireless networks?

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

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Complete the ACL configuration shown in the figure on the router RTA, which of the following descriptions is correct?
[RTA] acl 2001
[RTA-acl-basic-2001] rule 20 permit source 20.1.1.0 0.0.0.255
[RTA-acl-basic-2001] rule 10 deny source 20.1.1.0 0.0.0.255

• A.The VRP system will first match the rule deny source 20.1.1.0 0.0.0.255 in sequence number
• B.The VRP system will not adjust the serial number, but will first match the rule permit source 20.1.1.0 0.0.0.255
• C.The VRP system will adjust the sequence number of the first rule to 5 according to the order of configuration
• D.Configuration error, the sequence number of the rules must be configured from small to large

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192.168.1.127/25 represents the () address?

• A.Unicast
• B.broadcasting
• C.Host
• D.Multicast

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Which of the following options describes the concept of NFV architecture correctly? (Multiple choice)

• A.VIM (Virtualized Infrastructure Manager) virtual resource management, responsible for the virtualization of infrastructure
• B.NFVO (NFV Orchestrator) is responsible for business orchestration
• C.VNFM, virtual network function management, is responsible for the life cycle management of VNF
• D.MANO consists of NFVO, VNFM and VIM

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Which of the following statements about the election of the active end in link aggregation LACP mode is correct? (Multiple choice)

• A.The one with the smaller priority value is preferred. If they are the same, compare the device MAC, the smaller the better
• B.The device with a small system priority value is used as the active end
• C.The device with a small MAC address acts as the active end
• D.Compare interface numbers

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