Which of the following As_Path attribute values of path-filter1 permit* (100|400)$ command can the AS-Path filter configured with IP match? (Multiple Choice)

• A.3100
• B.100
• C.300 4200
• D.1234 1400

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Which control bit in the TCP header information can cause the receiver to reset the TCP connection?

• A.RST
• B.PSH
• C.CLR
• D.SYN
• E.ACK
• F.SND

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If running PIM-SM on a multicast network, you need to construct a multicast forwarding tree between the multicast source and the receiver to enable the receiver to receive multicast data. Which of the following description about the constructed multicast forwarding tree is correct? (Multiple Choice)

• A.The SPT tree is built between the multicast source and the RP.
• B.The RTP tree is built between the RP and the receiver.
• C.The RPT tree is built between the multicast source and the RP.
• D.The SPT tree is built between the RP and the receiver.

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When DLDP detects a unidirectional link on an interface, the default operations on Huawei devices include: DLDP switches to the interface to Disable state, generates a trap and sets the interface state to DLDP Down.

• A.FALSE
• B.TRUE

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The OSPF protocol is running on a company network. To understand the OSPF mechanism to perform packet capture operations on the network, which of the following description about the OSPF packet is correct? (Multiple Choice)

• A.Sending Hello packets immediately after the interface joins the OSPF area.
• B.LS Update message synchronizes the link state database by sending detailed LSA information.
• C.The LS Update message is sent only when the adjacency is established.
• D.After receiving the LS Update message, the router must send LS Ack to confirm.

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