Cisco 642-885 Valid Brain Dumps

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

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

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

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

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.

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.)

• A. template peer-session session-template-name
• B. remote-as as-number
• C. neighbor-family config template
• D. peer-family config template
• E. as-override
• F. timers keepalive-interval hold-time