多项选择题

What are three valid LDP message types?（）

A. Path
B. Session
C. discovery
D. establishment
E. Advertisement

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单项选择题

How is the cost of a virtual link in OSPF calculated?（）

A. Takes the metric of the outgoing interface.
B. Uses the metric that is assigned during configuration.
C. Uses the path metric to reach the virtual link neighbor.
D. Uses a default of zero unless otherwise specified.

多项选择题

You wish to configure IPv6 support on a router which does not have any current IPv4 configuration.Which three steps are used to configure IPv6 with an accompanying IGP in JUNOS software? （）

A. set protocols isis inet6
B. set routing-options router-id router-id
C. set protocols ospf3 area 0 interface all
D. set interface fe-0/0/1 unit 0 family inet6
E. set routing-options ipv6-router-id router-id

单项选择题

By default, to which peers will a BGP router advertise routes learned from IBGP peers?（）

A. all BGP peers
B. all IBGP peers
C. all EBGP peers
D. all MBGP peers