Building Cisco Service Provider Next-Generation Networks Part 2 (SPNGN2)

Here you have the best Cisco 640-878 practice exam questions

  • You have 126 total questions to study from
  • Each page has 5 questions, making a total of 26 pages
  • You can navigate through the pages using the buttons at the bottom
  • This questions were last updated on December 12, 2025
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Question 1 of 126
Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance?
Correct Answer: A

Question 2 of 126
Which spanning-tree mode uses the name command to configure a region name?
Correct Answer: A

Question 3 of 126
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?
Correct Answer: B

Question 4 of 126
Which file extension indicates a bootable installation file in Cisco IOS XR software?
Correct Answer: E
Exam 640-878: Question 4 - Image 1 E
Question 5 of 126
When configuring an ACL entry, which network and wildcard mask matches only IP addresses 10.8.144.0 to 10.8.151.255?
Correct Answer: B