Which of the following description of static and dynamic routing is wrong?

• A.After the administrator deploys the dynamic routing protocol in the corporate network, later maintenance and expansion can be more convenient
• B.Dynamic routing protocols take up more system resources than static routing protocols.
• C.After the link fails, the static route can automatically complete the network convergence.
• D.Static routing is simple to configure and easy to manage when applied in the enterprise

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Which of the following statements about Adjacency Segment is wrong?

• A.Adjacency Segment spreads to other network elements through IGP protocol, which is visible globally and effective locally
• B.Adjacency Segment must be configured manually
• C.Adjacency Segment is used to identify an adjacency of a node in the network
• D.Adjacency Segment is identified by Adjacency Segment ID (SID)

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ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20. Which is correct about this command? (Multiple Choice)

• A.The priority of this route is 20
• B.This route can guide the forwarding of packets with the destination IP address 10.0.12.2
• C.This route can guide the forwarding of packets with the destination IP address 10.0.2.2.
• D.The NextHop of this route is 10.0.12.2

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What is the priority value of the direct route entry?

• A.30
• B.0
• C.10
• D.20

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When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header?

• A.TTL
• B.Source IPv4 address
• C.Sequence number
• D.Destination IPv4 address

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