Want to know Ucertify 640-878 Exam practice test features? Want to lear more about Cisco Building Cisco Service Provider Next-Generation Networks, Part 2 certification experience? Study Approved Cisco 640-878 answers to Renewal 640-878 questions at Ucertify. Gat a success with an absolute guarantee to pass Cisco 640-878 (Building Cisco Service Provider Next-Generation Networks, Part 2) test on your first attempt.


2026 New 640-878 Exam Dumps with PDF and VCE Free: https://www.2passeasy.com/dumps/640-878/

Q1. Refer to the partial Cisco IOS router configuration exhibit. 

***Exhibit is Missing*** 

Which type of tunnel configuration is shown? 

A. GRE tunnel 

B. manual 6in4 tunnel 

C. 6to4 automatic tunnel 

D. 6RD 

E. IPv4-in-IPv6 tunnel 

Answer: B 

Q2. Which statement is true about enabling IS-IS routing and using the net command to configure the NSAP address? 

A. NSAP addresses have a fixed size of 20 bytes. 

B. The NSEL must always be 00 to identify the router. 

C. The area address follows the system ID field before the NSEL field. 

D. An AFI of 39 indicates that the AFI is a locally administered private address. 

Answer: B 

Q3. Which Cisco platform runs the Cisco IOS XE operating system? 

A. Cisco ASR9K 

B. Cisco CRS 

C. Cisco 12000 GSR 

D. Cisco ASR1K 

E. Cisco ME 3400 

F. Cisco ISR-G2 

Answer: D 

Q4. A VLAN is a logical grouping of switch ports that belong to which two of these? (Choose two.) 

A. the same virtual switch cluster 

B. the same IP subnet 

C. the same collision domain 

D. the same broadcast domain 

E. the same virtual routing and forwarding instance 

Answer: B,D 

Q5. Refer to the partial Cisco IOS router configuration exhibit. 

***Exhibit is Missing*** 

Which statement is true? 

A. To support the subinterface configuration, the Fa0/0 main interface configuration is missing the encapsulation dot1Q command. 

B. The Fa0/0 interface/subinterfaces are configured correctly to operate as a trunk port to provide inter-VLAN routing for three VLANs (VLANs 1, 2, and 3). 

C. To provide inter-VLAN routing, the Fa0/0.1, Fa0/0.2 and Fa0/0.3 subinterface configuration is missing the encapsulation dot1Q vlan-id subinterface configuration command. 

D. To provide inter-VLAN routing, the router is missing the vlan 1, vlan 2, and vlan 3 global configuration commands. 

Answer: C 

Q6. On Cisco routers, the address-family configuration command in BGP configuration mode is used to enable which BGP feature? 

A. BGP route policy 

B. multiprotocol BGP 

C. BGP policy accounting 

D. BGP communities 

Answer: B 

Q7. Which segment protocol provides fast and predictable convergence (typically within 50 ms) in Layer 2 Ethernet ring topologies? 

A. Spanning Tree Protocol 

B. Flex Links 

C. Resilient Ethernet Protocol 

D. Spatial Reuse Protocol 

E. Resilient Packet Ring 

Answer: C 

Q8. 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 clns 

B. address-family ipv4 unicast 

C. address-family ipv6 unicast 

D. address-family vpnv4 

E. address-family vpnv6 

Answer: B,C 

Q9. Which IP addresses are matched by the permit 192.168.80.64 0.0.0.15 access-list entry? 

A. 192.168.80.64 to 192.168.80.255 

B. 192.168.80.64 to 192.168.80.96 

C. 192.168.80.64 to 192.168.80.95 

D. 192.168.80.64 to 192.168.80.80 

E. 192.168.80.64 to 192.168.80.79 

Answer: E