Online Access Free 640-878 Practice Test

During the BGP route selection process on Cisco routers, which BGP attribute is examined first, to determine the best path to use?

• A.AS path
• B.MED
• C.weight
• D.local preference
• E.origin

What is the advantage of running IOS-XE individual consolidated packages versus subpackages?

• A.decreases storage requirements
• B.lowers CPU utilization
• C.simplified installation
• D.optimizes router memory usage

On Cisco IOS XR software, how is LDP enabled on an interface?

• A.LDP is enabled on each interface, using the interface command under mpls ldp (MPLS LDP configuration mode).
• B.LDP is enabled globally on all interfaces, using the mpls ldp global configuration command.
• C.LDP is enabled on each interface, using the mpls ip interface configuration command.
• D.LDP is automatically enabled globally on all interfaces, when ip cef is enabled globally.
• E.LDP is enabled globally on all interfaces, using the mpls ip global configuration command.

Refer to the exhibit.

The access list has been configured on the Gi0/0/0/0 interface in the inbound direction. Which two packets that are sourced from 172.16.1.1 TCP port 1050, if they are routed to the Gi0/0/0/0
interface, will be permitted? (Choose two)

• A.destination IP address: 10.10.193.255, destination TCP port: 80
• B.destination IP address: 10.10.196.1, destination TCP port: 80
• C.destination IP address: 10.10.195.254, destination TCP port: 23
• D.destination IP address: 10.10.193.145, destination TCP port: 23
• E.destination IP address: 10.10.197.32, destination TCP port: 23
• F.destination IP address: 10.10.192.201, destination TCP port: 80

Refer to the configuration output below. OSPFv2 is already configured on a customer router and the customer is requesting that OSPFv3 be added. What configuration is needed in order to add OSPFv3 to the fastethernet0/0 interface?
Configuration:
ipv6 router ospf 1
router-id 209.165.200.227
area 2 nssa
interface fastethernet0/0
ip address 2001:DB8:0:7::

• A.interface FastEthernet0/0 ipv6 1 area 2
• B.interface FastEthernet0/0 ipv6 ospf 1 area 2
• C.interface FastEthernet0/0 ipv4 ospf 1 area 2
• D.interface FastEthernet0/0 area 2 ospf 1 ipv6