Attributes JN0-352 Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A route is learned from an EBGP peer and has a LOCAL_PREF of 200 set locally. The route also carries a COMMUNITY attribute of 65000:100. When this route is advertised to an IBGP peer, which attributes will be included in the update?

   • ALOCAL_PREF and COMMUNITY are both included.
   • BLOCAL_PREF is included, but COMMUNITY is stripped.
   • CCOMMUNITY is included, but LOCAL_PREF is stripped.
   • DNeither LOCAL_PREF nor COMMUNITY is included.
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2. 2expert · hard

   A router in AS 65000 receives a route from an EBGP peer in AS 64512. The NEXT_HOP is 192.0.2.1. The router advertises this route to an IBGP peer. The IBGP peer cannot reach 192.0.2.1. What is the most likely issue?

   • AThe IBGP peer is not configured to accept the route.
   • BThe IBGP peer does not have a route to the NEXT_HOP via the IGP.
   • CThe NEXT_HOP is not being advertised to the IBGP peer.
   • DThe NEXT_HOP is being changed to an unreachable address.
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4. 3foundation · easy

   Which attribute category is used for attributes that are not required to be recognized by every BGP implementation but must be passed along to other peers if they are present?

   • AOptional transitive
   • BWell-known mandatory
   • CWell-known discretionary
   • DOptional non-transitive
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5. 4application · medium

   Your AS is multi-homed to two different providers. You want to tag routes learned from a specific customer with a community so that your edge routers can apply different local preferences based on the community. Which attribute should you use to tag these routes, and how will it propagate?

   • AUse the MED attribute; it is optional non-transitive and will propagate to all BGP peers.
   • BUse the LOCAL_PREF attribute; it is well-known discretionary and will propagate to all BGP peers.
   • CUse the COMMUNITY attribute; it is optional transitive and will propagate to all BGP peers.
   • DUse the ORIGIN attribute; it is well-known mandatory and will propagate to all BGP peers.
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6. 5application · medium

   A router in AS 65000 receives a route from an EBGP peer in AS 64512. The NEXT_HOP attribute is set to 192.0.2.1. When this route is advertised to an IBGP peer, what will the NEXT_HOP be?

   • A192.0.2.1, unchanged from the EBGP advertisement.
   • BThe NEXT_HOP is set to 0.0.0.0.
   • CThe IP address of the local router's interface toward the IBGP peer.
   • DThe IP address of the EBGP peer's loopback interface.
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