640-878 exam

Which procedure is used as the last resort disaster recovery procedure to completely replace the currently installed IOS XR software on Cisco IOS XR routers?A . netbootB . turbobootC . install recoveryD . install rollbackE . install add and install activateView AnswerAnswer: B

Which type of service provider is responsible for offering backbone connectivity services to other service providers?A . CSPB . TSPC . NSPD . ISPE . ASPView AnswerAnswer: C

Which procedure is used as the last resort disaster recovery procedure to completely replace the currently installed IOS XR software on Cisco IOS XR routers?A . netbootB . turbobootC . install recoveryD . install rollbackE . install add and install activateView AnswerAnswer: B

HOTSPOT View AnswerAnswer:

Refer to the Cisco IOS XR commands exhibit. The router administrator is trying to activate a software package on the router but is not able to do so. Which statement about this problem is true?A . The router needs to be in the global configuration mode.B . The router needs...

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: 10.10.192.201, destination TCP port:...

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 clnsB . address-family ipv4 unicastC . address-family ipv6 unicastD . address-family vpnv4E . address-family vpnv6View AnswerAnswer: B,C

DRAG DROP View AnswerAnswer:

On the Cisco ME 3400 switch, spanning tree is enabled by default on which type of switch port?A . UNIB . ENIC . NNID . ENI and NNIE . UNI, ENI, and NNIView AnswerAnswer: C

DRAG DROP View AnswerAnswer: