单选题
When using OSPF as your IGP， which operational command must be enabled to populate the TED for CSPF calculations？（）
cspf enable
disable no-cspf
traffic-engineering
enable traffic-engineering-database
多选题
What are three examples of a CPE-provisioned VPN？（）
L2TP
2547bis
L2F
PPTP
MPLS
单选题
Given the following LSP configuration， which statement is true？（） label-switched-pathlsp-xyz { to 10.2000.1.1； primarypath1； secondarypath2； secondarypath3； no-cspf； } pathpath1 { 10.200.10.1 strict； } pathpath2 { 10.200.20.1 strict； } pathpath3 { 10.200.30.1loose }
The router will use path1 when it is available and stable.
The router will use path3 when it is available and stable.
The router will attempt to establish path2 only when path1 and path3 are down.
The router will attempt to establish path1 only when path2 and path3 are down.
多选题
Which three are well-known mandatory BGP attributes？（）
Origin
As path
Next hop
Community
Multiple exit discriminator
单选题
Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options] policy-statementreject_10 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 90-1； accept }} policy-statementaccept_20 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 100-1； reject； } } community100-1 members 100：1； community90-1 members 90：1 [editprotocols] bgp{ groupebgp-group { neighbor172.16.201.1 { export（reject-10 && accept-20）； }}}
The route is not announced.
The route is announced with 90：1 added.
The route is announced with 100：1 added.
The route is announced with communities 90：1 and 100：1 added.
多选题
What are commands that can be used to configure MBGP for multicast？（）
Under the BGP group， configure family inet any
Use the set protocol MBGP command to enable MBGP
Under the BGP group， configure family inet multicast
Use the set rib-group command to copy the multicast routes into inet.1
单选题
What is required to enable the use of metrics larger than 63 for traffic engineering in IS-IS？（）
Nothing， wide metrics are used by default in IS-IS
Enable wide-metrics-only under protocol IS-IS
Enable traffic-engineering under protocols IS-IS
Disable TVL’s 2 and 128 which carry the 6-bit metrics （0-63）.
单选题
How many strict-high priority forwarding classes can be applied to a given interface？（）
1
2
3
4
单选题
PE1 has connections to VPN sites that are served by three remote PE routers. How many LSP’s must be established to support 2547bis？（）
an LSP for each local CE device
an LSP for each remote PE device
an LSP for each remote CE device
an LSP for each CE facing interface
单选题
Which LSA is the Type 10？（）
Router LSA
Opaque LSA
AS attributes LSA
ASBR summary LSA
Network summary LSA
