Online Access Free 642-885 Exam Questions

A network engineer of an ISP using Cisco IOS XR routers wants to limit the number of prefixes that BGP peers can accept. To accomplish this task, the command maximum-prefix 1000 is used. Which two results of this configuration are expected? (Choose two.)

• A.A BGP peer ceases when it receives 1001 prefixes.
• B.A warning message displays by default when 750 prefixes are received.
• C.A BGP peer ceases when it receives 1000 prefixes.
• D.A BGP peer resets when it receives 1000 prefixes.
• E.A warning message displays by default when 850 prefixes are received.
• F.A BGP peer resets when it receives 1001 prefixes.
• G.The BGP peer tries to reestablish the session after one minute.

On Cisco IOS-XR, which BGP configuration group allows you to define address-family independent commands and address-family dependent commands for each address family?

• A.neighbor-group
• B.session-group
• C.peer-group
• D.af-group

When a BGP route reflector receives an IBGP update from a non-client IBGP peer, the route reflector will then forward the IBGP updates to which other router(s)?

• A.To the EBGP peers and other clients and non-clients
• B.To the other clients only
• C.To the EBGP peers only
• D.To the EBGP peers and other clients only

Which three statements regarding the BGP operations are correct? (Choose three)

• A.CE5 has the BGP scan interval set to 30 seconds
• B.CE5 has received 5 prefixes from the PE5 EBGP peer
• C.The AS-Path to reach the 209.165.202.128/27 prefix from CE5 is: 64500 64497 64498
• D.PE5 will set the local preferences 200 on all the prefixes sent to CE5
• E.PE5 will set the local preference to 200 on all the prefixes learned from CE5
• F.CE5 is announcing the 192.168.55.0/24 prefix via EBGP to the PE5 EBGP peer

Which three statements are correct regarding the various multicast groups? (Choose three.)

• A.CE5 has joined the 224.0.1.40 multicast group
• B.PE5 has a Null OILforthe (*,224.1.1.1) entry
• C.Currently there is no source sending traffic to the 224.1.1.1 multicast group
• D.PE5 has a Null OILforthe (*,224.0.1.40) entry
• E.CE5 has a Null OILforthe (*,224.1.1.1) entry