Click on the exhibit. After the Isp-ping command is executed, which of the following best describe the router's action?

• A.MPLS Echo Request packets are sent within the RSVP-TE tunnel that is signaled for "lsp-toR2".
• B.MPLS Echo Request packets are sent within the LDP tunnel that is signaled for Mlsp-toR2".
• C.MPLS Echo Request packets are sent to the destination address of "lsp-toR2" over TCP.
• D.MPLS Echo Request packets are IP-routed to the destination address of "lsp-toR2".

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What best describes the type of packets used by OSPF routers to exchange updates on a pointto-point link?

• A.UDP packets sent to an IP multicast address.
• B.Ethernet frames sent to an Ethernet multicast address.
• C.IP packets sent to an IP multicast address.
• D.IP packets sent to an IP unicast address.

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Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)

• A.If priorities are the same, the DR is chosen based on the highest RID.
• B.The router with the highest priority is the DR.
• C.The router with the lowest priority is the DR.
• D.If priorities are the same, the DR is chosen based on the lowest RID.

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Which of the following fields does NOT appear in the MPLS label header?

• A.Label
• B.Traffic Class (previously called Experimental)
• C.Frame check sequence
• D.Bottom of stack bit
• E.Time To live

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What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

• A.The VLAN tag is kept and a provider tag is added.
• B.The VLAN tag is replaced by a provider tag.
• C.The original VLAN tag is removed.
• D.The original VLAN tag is kept.

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