單項選擇題

Where is the MPLS label imposed？（）

A.after the Layer 3 header and before the Layer 2 payload
B.after the Layer 3 header and before the Layer 4 payload
C.after the Layer 2 header and before the Layer 1 payload
D.after the Layer 1 header and before the Layer 2 payload
E.after the Layer 2 header and before the Layer 3 payload

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多項選擇題

Which three statements about the BGP next-hop attribute are true？（）

A.EBGP sessions between confederation sub ASs do not modify the next-hop attribute.
B.By default， iBGP sessions change the next-hop attribute learned from eBGP peers to self address.
C.By default， the next-hop attribute is not changed when a prefix is reflected by the route reflector
D.EBGP sessions between confederation sub ASs change the next-hop attribute to peer address.
E.By default， iBGP sessions preserve the next-hop attribute learned from eBGP peers.

單項選擇題

What is the port number of the IPsec Authentication Header packet？（）

A.IP protocol 50
B.TCP port 51
C.UDP port 50
D.IP protocol 51
E.UDP port 51
F.TCP port 50

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Where is the MPLS label imposed？（）

你可能感興趣的試題

Which three statements about the BGP next-hop attribute are true？ （）

What is the port number of the IPsec Authentication Header packet？（）

Where is the MPLS label imposed？（）

Which three statements about the BGP next-hop attribute are true？（）

What is the port number of the IPsec Authentication Header packet？（）