300-510 Free Practice Test

Which feature is used in multicast routing to prevent loops?

1. A. STP
2. B. inverse ARP
3. C. RPF
4. D. split horizon

Correct Answer: C

Which statement about BFD on Cisco IOS XR Software is true?

1. A. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
2. B. Cisco IOS XR Software does not support BFD multihop for IPv4.
3. C. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
4. D. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.

Correct Answer: C

Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose two.)

1. A. Each ISP must configure MSDP to connect its individual multicast administrative domain to the domains at other ISPs.
2. B. Each ISP must dedicate a single router to handle multicast traffic between providers.
3. C. Each ISP must replace its RP assignment with a global RP.
4. D. Each ISP must configure its network to use PIM-DM.
5. E. Each ISP must support intradomain multicast routing.

Correct Answer: AE

Which cost is the default when redistributing routes from BGP to OSPF?

1. A. 20
2. B. 1
3. C. infinite
4. D. automatic

Correct Answer: B

Refer to the exhibit. Which attribute can router 1 alter so that only other iBGP peers prefer to use 192.168.4.2 as the next hop for route 192.168.3.0/24?

1. A. MED
2. B. local preference
3. C. origin
4. D. weight

Correct Answer: A