单选题Cisco IOS XR has implemented a nonstop routing feature so that when RP failover occurs， the routinginformation can be recovered locally. Which protocol does not support the NSR feature？（）A OSPFB LDPC BGPD IS-ISE RSVP

第1题：

Which result is of securing the Cisco IOS image by use of the Cisco IOS image resilience feature？（）

• A、The Cisco IOS image file will not be visible in the output from the show flash command.
• B、The show version command will not show the Cisco IOS image file location.
• C、When the router boots up， the Cisco IOS image will be loaded from a secured FTP location.
• D、The running Cisco IOS image will be encrypted and then automatically backed up to a TFTP server.

第2题：

Which IOS security feature is configured by the ip inspect inspection-name {in | out} command？（）

• A、IPsec site-to-site VPN
• B、Cisco AutoSecure
• C、Cisco IOS Firewall
• D、IPS

第3题：

第4题：

Which three statements best describe multicast operation on Cisco Nexus switches in a data center？（）

• A、 Cisco NX-OS Software does not support PIM dense mode.
• B、 The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.
• C、 PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.
• D、 Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance.
• E、 The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.

第5题：

NBAR is a Cisco IOS feature that can be used to perform three tasks？

第6题：

In the Carrier Support Carrier （CsC） feature， which two protocols run CSC-PE and CSC-CS ？（）

• A、EBGPv4 with a sending community
• B、IGP and LDP
• C、EBGPv4 with a sending label
• D、IGP and EBGPv4
• E、IGP and RSVP

第7题：

What tasks can only be performed in the default or admin VDC？（）

• A、 EPLD upgrade， IOS ISSU， FCoE feature enablement， CoPP configuration， and rolling back a checkpoint
• B、 EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration， and ACL capture enablement
• C、 EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration and SNMP configuration
• D、 EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration， and write erase

第8题：

第9题：

Cisco IOS XR has implemented a nonstop routing feature so that when RP failover occurs， the routinginformation can be recovered locally. Which protocol does not support the NSR feature？（）

• A、OSPF
• B、LDP
• C、BGP
• D、IS-IS
• E、RSVP

第10题：

You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover. Which routing protocol should you use in this scenario?（）

• A、OSPF
• B、RIP
• C、BGP
• D、static