單項選擇題

Which of the following IOS features can prevent IP spoofing attacks？（）

A.PPP over Ethernet
B.Cisco Express forwarding
C.MPLS traffic Engineering
D.IS-IS routing
E.Unicast Reverse Path Forwarding（uRPF）

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多項選擇題

MPLS label headers for packet media consist of（）.

A.Version
B.Label
C.COS/EXP
D.TTL
E.S flag

單項選擇題

In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）

A.It adds the VPN label into the top label in the MPLS label stack
B.It replaces the top label in the MPLS label stack with a VPN label and propagates
C.It replaces the bottom label in the MPLS label stack with a VPN label and propagates
D.It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets
E.None of above

Which of the following IOS features can prevent IP spoofing attacks？（）

你可能感興趣的試題

MPLS label headers for packet media consist of（）.

In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）

In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）