多項選擇題Which 4 statements regarding MPLS Label Stack Encoding is true?()

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"


您可能感興趣的試卷

你可能感興趣的試題

1.多項選擇題RIPv2 differs from RIPv1 in that:()

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

2.單項選擇題What is the requirement of Remote Triggered Black Hole (RTBH ) filtering?()

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

3.多項選擇題Which of the following statements about MD5 Routing Updates authentication is valid? ()

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

4.單項選擇題What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router?()

A.Prevents head-of-line blocking
B.Uses less memory
C.Increases forwarding performance
D.Simplifies configuration

5.單項選擇題In Any Transport over MPLS (AtoM) Control word is an optional 4-byte field used in the pseudowire packet.The control word carries generic and Layer 2 payload-specific information to emulate L2 packets correctly.In pseudowire packet, where is this Control Word inserted?()

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

How many messages does internet Key Exchange use to negotiate SA characteristics when running inmain mode?()

題型:單項選擇題

In the Carrier Supporting Carrier (CsC) feature, which two protocols run between CSC-PE and CSC-CE().

題型:多項選擇題

Which statement about the use of Route Target Rewrite is true?()

題型:單項選擇題

Cisco IOS XR Software Multicast Routing Implementation, which three features are supported in IPv6 onCisco CRS router?()

題型:多項選擇題

All secure domain routers (SDRs) have shared attribute and resources. Which three resources are sharedall SDRs? ()

題型:多項選擇題

Which two statements about Layer 3 MPLS VPN are true?()

題型:多項選擇題

Which of the following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy?()

題型:單項選擇題

Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality?()

題型:單項選擇題

Which three protocols use TLVs to carry attributes?()

題型:多項選擇題

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?()

題型:單項選擇題