Juniper JN0-363 Exam Dumps

In a service provider MPLS network, P routers are interior routers that are used to transit MPLS-labeled packets between edge routers but do not attach or remove MPLS labels themselves. These routers are also referred to as transit routers. They are neither ingress nor egress routers (which are typically labeled as PE routers).

Juniper Networks documentation on MPLS: MPLS Fundamentals

By default, the router that originally sourced the route into BGP places its peer address into the attribute field. The next-hop value is then typically changed when the route is transmitted across external gGP (EBGP) links. Internal BGP (IBGP) peers do not alter the next-hop value between themselves.

B. By default, the next-hop value is changed when a route is passed from an EBGP peer to another EBGP peer. C. By default, the next-hop value is retained when a route is advertised across IBGP links. Reference::

BGP Next Hop Attribute, Juniper TechLibrary

Understanding BGP Next-Hop Selection, Juniper TechLibrary

A route being hidden in BGP usually indicates a configuration that prevents it from being used, such as a next-hop that is not reachable. B. Configuring a routing policy on R1 that sets the next-hop to the address used for IBGP peering ensures reachability of the next-hop within the local AS. D. Applying the correct routing policy as an export policy to the IBGP group on R1 will share the route with the IBGP peers, in this case, R2 and R3. Reference::

Understanding BGP Path Selection, Juniper TechLibrary

BGP Policies and Route Selection, Juniper TechLibrary

IPv6 link-local addresses are automatically generated for each interface and have a prefix of fe80::/10. The interface's MAC address is typically used as part of the process to create the Interface Identifier (IID) in the link-local address, following the EUI-64 format.

Juniper Networks Technical Documentation on IPv6

IPv6 Interface Addresses - Juniper Networks

The AS path is a BGP attribute that lists the autonomous systems (AS) that routing information has passed through to get to a destination. It is used to detect and prevent routing loops by checking if the router's own AS number is in the path.

Juniper Networks documentation on BGP: BGP Attributes and Policy