A.A value of 4 represents the "Implicit NULL Label."
B.A value of 0 represents the "IPv4 Explicit NULL Label."
C.A value of 1 represents the "Router Alert Label". The use of this label is analogous to the use of the"Router Alert Option" in IP packets （for example， ping with record route option）
D.A value of 2 represents the "IPv6 Explicit NULL Label"
E.A value of 1 represents the "IPv1 Explicit NULL Label"
F.A value of 3 represents the "Implicit NULL Label"
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A.it uses multicast address 224.0.0.10，instead of broadcast
B.it uses multicast address 224.0.0.9，instead of broadcast
C.it can use either multicast or broadcast addresses，instead of just broadcast
D.it sends incremental updates，instead of periodic updates
E.it is classless，instead of classful
F.it supports authentication，and RIPv1 does not
A.IBGP updates exchange between trigger router and black hole router
B.EBGP updates exchange between trigger router and black hole router
C.OSPF updates exchange between trigger router and black hole router
D.ISIS updates exchange between trigger router and black hole router
A.The MD5 algorithm inputs the routing updates of arbitrary length and outputs a 128-bit hash
B.The MD5 algorithm inputs the routing updates of every 64bit length and outputs an 8-bit hash
C.Multiple keys are supported
D.Routing updates packets are delivered in encrypted messages
E.Shared secret keys are delivered in encrypted messages
A.Prevents head-of-line blocking
B.Uses less memory
C.Increases forwarding performance
D.Simplifies configuration
A.Inserted between the MPLS label stack and the Layer 3 payload
B.Inserted between the MPLS label stack and the Layer 3 Header
C.Inserted between the MPLS label stack and the Layer 2 payload
D.Inserted between the MPLS label stack and the Layer 2 header
最新試題
What are three common reasons for ATM CRC errors？（）
Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider？（）
In the Carrier Supporting Carrier （CsC） feature， which two protocols run between CSC-PE and CSC-CE（）.
Which three things are the building blocks of the Cisco VPLS architecture？（）
Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）
Two islands of IPv6 networks that are running ISIS （IPv6 IGP） must be connected using a tunnel over anIPv4 network. Which tunneling method can be used to achieve this goal？（）
What layer of the TMN （telecommunications management network） model does CTM fit into？（）
When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）
How many messages does internet Key Exchange use to negotiate SA characteristics when running inmain mode？（）
Cisco IOS XR Software Multicast Routing Implementation， which three features are supported in IPv6 onCisco CRS router？（）