Broadcast network. OSPF runs on four routers in the same are
a. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve better backup results

• A.False
• B.True

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Which of the following statements about Prefix Segment is wrong? ()

• A.Prefix Segment is used to identify a destination address prefix in the network (Prefix)
• B.Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective
• C.Prefix Segmont needs to be configured manually
• D.Prefix Segment can be automatically allocated by IGP

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The device port running the STP protocol is in the Forwarding state. Which of the following statements are correct?

• A.The port only receives and processes BPDUs, and does not forward user traffic
• B.The port will build a MAC address table based on the received user traffic, but does not forward user traffic
• C.The port not only does not process BPDU packets, but also does not forward user traffic
• D.This port port not only forwards user traffic but also processes BPDU packets

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The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()

• A.STB's G0/0/3 port
• B.G0/0/2 terminal C of STB
• C.G0/0/2 port of STA
• D.G0/0/3 port of STA

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Which of the following statements about the Python language is wrong?

• A.Pay attention to the use of comments when writing code to help readers understand the code. Comments start with #.
• B.Python generally executes code from beginning to end in order.
• C.The role of print is to output the content in the brackets.
• D.Python language supports automatic indentation, so you don't need to pay attention when writing code.

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