Cisco 642-885 Valid Brain Dumps - CompTIA BrainDumps

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Question No. 1

Instructions

Which two statements are correct regarding the multicast operations on the router that is the RP? (Choose two.)

A. It is using IGMPv3
B. The IGMP query interval is set to 125 seconds
C. It is using the IPv4 unicast routing table to perform the RPF checks
D. Static multicast routes are configured on the RP

Answer: A, C

#show ip mroute

#show ip pim interface

#show ip igmp group

#show ip pim neighbor

Question No. 2

Refer to the exhibit.

R5 is configured as the RP for the PIM-SM domain for AS 1020. If R3 and R4 are correctly configured, which Cisco IOS-XE configuration should be done on R5 to configure it as a PIMv3 BSR router?

A. ip pim send-rp-announce loopback 0 scope 16
B. ip pim rp-candidate loopback 0
C. ip pim rp-candidate loopback 0
D. ip pim send-rp-announce loopback 0 scope 16

Answer: B

Question No. 3

Which three statements are correct regarding PIM-SM? (Choose three.)

A. There are three ways to configure the RP: Static RP, Auto-RP, or BSR
B. PIM-SM only uses the RP rooted shared tree and has no option to switch over to the shortest path tree
C. Different RPs can be configured for different multicast groups to increase RP scalability
D. Candidate RPs and RP mapping agents are configured to enable Auto-RP
E. PIM-SM uses the implicit join model

Answer: A, C, D

Question No. 4

Refer to the exhibit.

Which option is the function of designing a hub and spoke confederation?

A. allows transit backbone area 66000 to be a blackhole for non-transit ASs
B. reduces the iBGP mesh, iBGP mesh will be in sub non-transit ASs
C. increases eBGP sessions between the confederation sub ASs
D. allows transit backbone area and non-transit ASs to run the same IGP

Answer: B

Question No. 5

Which two options are the common methods for implementing Site of Origin on Cisco IOS XE routers for loop avoidance in multihome BGP customers? (Choose two.)

A. Configure the route-map in command on the CE BGP neighbor.
B. Configure Site of Origin directly on the CE BGP neighbor command.
C. Configure site-map on VRF interface and redistribution of iBGP.
D. Configure site-map on VRF interface and network command.
E. Configure the route-map out command on the P router.

Answer: A, B

Question No. 6

A network engineer must deploy an iBGP-based cloud region configuration by means of templates to reduce the overall BGP CLI required. Which three commands represent a basic configuration for a BGP peer session template on a regular Cisco IOS instance? (Choose three.)