Online Access Free 640-878 Practice Test

Which configuration error within an AS can cause a Cisco IOS XR router to not announce certain prefixes to its EBGP peers?

• A.The outbound BGP route policy has only set actions that are defined without any pass actions that are defined.
• B.The inbound BGP route policy has only set actions that are defined without any pass actions that are defined.
• C.Some prefixes were set with a MED of 0.
• D.Some prefixes were mistagged with the no-export BGP community.

A network engineer is trying to determine the mac address of a server attached to a switchport on a Cisco Catalyst 6500 Switch. The interface is connected, but no MAC address is present. The server has an IP address of 169.x.x.x. At which layer of the OSI Model does the problem exist?

• A.Layer 3
• B.Layer 7
• C.Layer 6
• D.Layer 2
• E.Layer 5
• F.Layer 4
• G.Layer 1

Within an MPLS domain, which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled IP packet is received?

• A.LFIB
• B.VRF
• C.LIB
• D.MP-BGP
• E.FIB

On Cisco IOS XR software, which two of the address-family command options in IS-IS configuration mode are valid? (Choose two)

• A.address-family ipv6 unicast
• B.address-family vpnv4
• C.address-family ipv4 unicast
• D.address-family vpnv6
• E.address-family clns

When upgrading a Cisco ASR 1001 Router, when is the request platform software package expand file bootflash:image-name command required?

• A.to copy the consolidated Cisco IOS XE image to the bootflash:
• B.to run the router using a consolidated package
• C.to perform Cisco IOS ISSU on the standby route processor
• D.to run the router using individual subpackages