The priority of OSPF routing protocol is ()

• A.0
• B.10
• C.60
• D.100

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How to enter in the vP operating system OView of SPF area 0? ()*

• A.(Huawei-ospf-1) areA.0 enabel
• B.(Huawei-ospf-1) areA.0
• C.(Huawei) ospf areA.0
• D.(Huawei-ospf-1) areA.0.0.0.0

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In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information?

• A.Probe
• B.Beacon
• C.Join
• D.Discovery

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The output information of a certain switch is shown in the figure. Which of the following statements is correct?

• A.The user manually created 4 VLANs
• B.When the switch GE0/0/1 text port sends VLAN10 data frames, it does not carry VLAN TAG
• C.The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN20 data frames
• D.The GEO/0/2 port of the switch carries VLAN TAG when sending VLAN20 data frames

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Which of the configurations in the following options belong to a Layer 2 ACL?

• A.rule 10 permit 12-protocol arp
• B.rule 15 permit vlan-id 100
• C.rule 20 permit source-mac 0203-0405-0607B
• D.rule 25 permit source 192.168.1.1 0.0.0.0

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