多項(xiàng)選擇題Which of the following comparison of Control Plane Policing (CoPP) with Receive ACL(Racl) is correct?()

A.CoPP protects against IP spoofing;Racl protects against DoS attacks.
B.CoPP can not use named access lists;Racl can use named access lists
C.CoPP applies to a dedicated control plane interface;Racl applies to all interfaces.
D.CoPP needs a AAA server,Racl does not need a AAA server
E.CoPP supports rate limits;Racl does not support rate limits


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2.多項(xiàng)選擇題The Attribute field within the IS-IS LSP header contains which of the following flags? ()

A.IS-Type
B.Overload (LSPDBOL)
C.Pseudonode (PN)
D.Attached (ATT)
E.Fragment (Frag-Nr)
F.Partition (P)

4.多項(xiàng)選擇題Selective packet discard(SPD)operates in the following modes().

A.normal
B.select
C.random
D.discard
E.full

5.單項(xiàng)選擇題DSCP value "101110" looks like which IP Precedence value to non-DiffServ compliant devices?()

A.IP Precedence 2
B.IP Precedence 3
C.IP Precedence 4
D.IP Precedence 5
E.IP Precedence 6
F.IP Precedence 7