Which three are valid IPv6 interface addresses?（）

单项选择题How many unique area addresses can the ISIS TLV 1 carry?（）

A.1
B.2
C.3
D.4

多项选择题What are two purposes of the 224.0.1.40 address in Auto-RP?（）

A. Configured mapping agents listen to this address.
B. Mapping agents select RP for a group based on highest IP address of all the group's C-RPs.
C. RP mapping agent advertises complete list of group-to-RP mappings.
D. All configured PIM-SM routers listen to this address and learn the correct RP to use for each known group.

单项选择题In JUNOS software, which type of VPN supports IPX and Appletalk?（）

A. Martini based VPNs
B. 2547bis based VPNs
C. Sham link based VPNs
D. Virtual Router based VPNs

单项选择题Which statement would prevent the sending of redundant route advertisements when your routereflector cluster is fully meshed?（）

A. set protocols bgp group mygroup path-selection cisco-non-deterministic;
B. set protocols bgp group i-bgp no-aggregator-id;
C. set protocols bgp group mygroup no-client-reflect;
D. set protocols bgp group i-bgp damping;

多项选择题Which two statements are true by default of a multilevel IS-IS network?（）

A. Level 1 only routers see routes contained in their area.
B. Level 1 routers route towards Level 2 routers due to the attached bit.
C. Level 2 routers route towards Level 1 routers due to the attached bit.
D. Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.