There is no routing protocol running on the router HW and only one default route reaches the remote network. On the router job with the extension Ping remote file server address 105401. The result of Ping on the router job is presented as "Request time." out"? Based on the above description, the error in the following analysis is?

• A.There is a firewall in the remote destination network, and no ICMP traffic is allowed
• B.Router HW's next hop router does not have a path to the destination address
• C.Ping is successful, but congestion occurs on the path to the destination address
• D.Router HW does not have a legitimate route to the destination address
• E.ICMP packets can reach the destination address But the destination device failed to reply

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In an MPLS BGPVPN networking that does not enable MPLS penultimate hop pop-up technology. When the message reaches the last hop PE, the message has two layers of labels, and the two layers of label values can be the same.

• A.FALSE
• B.TRUE

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What messages does an NMS (Network Management Station) running SNMPV1 send to the agent?

• A.Get,Set? GetBulk
• B.Get, Set?Getnext
• C.? Trap
• D.Get,Set,Getnext? GetBulk
• E.Trap,Get? Set

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Each DD message has a sequence number for data confirmation, and a DD sequence number is 2 bytes long

• A.False
• B.True

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Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summary, then which class LSA Will it be aggregated?

• A.2 kind LSA
• B.3 kind LSA
• C.4 kind LSA
• D.5 Class LSA
• E.1 Class LSA

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