4.3 Configuring Cloud Router. Considerations Include: PROFESSIONAL-CLOUD-NETWORK-ENGINEER Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   Your VPC has a Cloud Router connected to your on-premises network via a VPN tunnel. You need to advertise a specific set of on-premises routes back to the VPC, but you also need to ensure that the VPC's default route (0.0.0.0/0) is not advertised to on-premises. The VPC has multiple subnets, and you want to advertise only a subset of them. What should you do?

   • ACreate a custom-advertised route that includes only the desired VPC subnets and excludes the default route.
   • BCreate a custom-learned route that filters out the default route from being advertised.
   • CSwitch to standard best path selection mode to automatically exclude the default route.
   • DSet a higher MED value on the default route to prevent it from being advertised.
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   A network engineer wants to configure Cloud Router to detect BGP peer failures faster than the default BGP hold timer. Which feature should be enabled on the Cloud Router?

   • ABidirectional Forwarding Detection (BFD)
   • BBGP graceful restart
   • CRoute priority
   • DCustom route advertisements
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   A Cloud Router is advertising a route to an on-premises peer. The engineer wants the on-premises router to prefer this route over another path. Which BGP attribute can be set on the advertised route to influence the on-premises router's best-path selection?

   • AAS path length
   • BLocal preference
   • CMulti-Exit Discriminator (MED)
   • DNext-hop address
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   Your VPC has two Cloud Routers, each connected to a different on-premises data center via Dedicated Interconnect. Both on-premises routers advertise the same on-premises CIDR (172.16.0.0/16). You need to ensure that traffic from your VPC to 172.16.0.0/16 prefers the path through Data Center 1. Both Cloud Routers use the same ASN (65000). What should you configure?

   • AConfigure a custom-advertised route to advertise a more specific prefix for Data Center 1.
   • BUse different ASNs for the two Cloud Routers to enable MED comparison.
   • CSet a higher local preference on the BGP session from Data Center 1's Cloud Router.
   • DSet a lower MED value on the BGP session from Data Center 1's Cloud Router.
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   When configuring custom-learned routes on Cloud Router, what is the primary purpose of this feature?

   • ATo filter which routes are accepted from on-premises peers
   • BTo enable BFD for fast failure detection
   • CTo prioritize routes based on MED
   • DTo advertise routes to on-premises peers
   Reveal Solution Discussion Select an answer first