640-875 - Building Cisco Service Provider Next-Generation Networks, Part 1

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Example Questions

Which two statements about transparent bridging operations are true? (Choose two.) Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true? (Choose three.) With a distance vector routing protocol like RIPv1, when is a route in the routing table placed in the "possibly down" state? Given the CIDR address range of to, what is the CIDR block? Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC? What are the three RFC 1918 IPv4 private address ranges? (Choose three.) Which statement about STP operations is true? Which two statements about classful or classless routing protocol operations are true? (Choose two.) Which component is integrated into the Cisco IPoDWDM interfaces? Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier? When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default? What does a transparent LAN switch use to build its CAM table? Currently, a Cisco IOS XR router is configured to send IP SLA probes to a network management station that is acting as the IP SLA target device. How can IP SLA measurement accuracy be improved and also provide additional statistics? Which three statements correctly describe DSL-based Internet services for residential users? (Choose three.) On Cisco IOS Switches, which port security violation mode results in frames from non-allowed MAC address being dropped, log message created, and SNMP trap sent? Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch? Which two statements about NetFlow support on Cisco IOS XR are true? (Choose two.) What is the SDH equivalent of the SONET STS-12 framing format? Which two statements about these partial Cisco IOS/IOS-XE configurations are true? (Choose two.) Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software? Which two statements about Packet over SONET are true? (Choose two.) Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true? Which IPv6 feature replaced and enhanced the IPv4 ARP functions? With IPv6, for which purpose are router solicitation and router advertisement used? What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch? Which Cisco IOS XR command displays information about statically configured routes and their corresponding interface or next-hop? Which two statements about Cisco IOS XE operations are true? (Choose two.) According to this show output, what are sticky MAC addresses? Which Cisco IOS XR command is involved in enabling remote access? What is the result of using the Cisco IOS copy tftp: run command? When two or more different routes exist to the same destination that have been learned from two different routing protocols, what does a router use to determine the best route? Which statement about a root bridge in an STP domain is true? Which layer(s) of the TCP/IP model operates end-to-end (Host A to Host B)? Given these four Class B networks:,,,, what is the supernet (CIDR) address that summarizes these four Class B networks? Which configuration is necessary to support this output?

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