A.3
B.4
C.5
D.2
E.6
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A.SNMP version 2 uses a proxy agent to forward GetNext message to SNMP version 3.
B.SNMP version 2 supports message integrity to ensure that a packet has not been tampered with
C.Proxy agents were used only in SNMP version 1.
D.SNMP version 3 supports encryption and SNMP version 2 support authentication.
E.GetBulk messages are converted to GetNext messages by the proxy agent and are then forwarded to the SNMP version 1 agent.
A.Default MDT groups are used for PIM control traffic， low-bandwidth sources， and flooding of sparse mode traffic.
B.MDTs are built in customer networks
C.Data MDT groups are used for high-bandwidth sources to reduce replication to uninterested PEs.
D.MDTs are built in provider networks
E.The number of MDTs depends on PIM modes of MDT groups.
A.AAL2
B.AAL 4
C.AL 5
D.AAL 1
E.AAL 3
A.Policy-based Model
B.Class based Model
C.Russian Doll Model
D.Global Tunnel Model
E.Maximum Allocation Model
A.switched virtual circuit
B.virtual circuit status
C.simple flow control
D.multicasting
E.permanent virtual circuit
最新試題
Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality？（）
Which statement about multicast VPN is true？（）
Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）
In the Carrier Supporting Carrier （CsC） feature， which two protocols run between CSC-PE and CSC-CE（）.
Which information is carried in the OSPFv3 intra-area Prefix LSA？（）
Which statement about VPLS is true？（）
Which option is not a valid method to assign the lowest-order 64-bit field of an IPv6 unicast address？（）
When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）
Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider？（）
What is the BGP synchronization rule？（）