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

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

  • Preview the first 5 of 126 questions for free
  • These questions were last updated on April 30, 2026
  • This site is not affiliated with or endorsed by Cisco.
Question 1 of 126

Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance?

Answer

Suggested Answer

The suggested answer is A.

Question 2 of 126

Which spanning-tree mode uses the name command to configure a region name?

Answer

Suggested Answer

The suggested answer is 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?

Answer

Suggested Answer

The suggested answer is B.

http://www.cisco.com/en/US/docs/routers/crs/software/crs_r4.0/migration/guide/tbupgapp.pdf
Question 4 of 126

Which file extension indicates a bootable installation file in Cisco IOS XR software?

Answer

Suggested Answer

The suggested answer is 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?

121 more questions await

Unlock the full Cisco 640-878 question bank

5 of 126 completed4%

Choose your plan

One-time payment · No subscription · No hidden fees

Standard

Quick preparation

$25

30 days access

30 day access to all questions
Instant free updates
Highest passing rate in industry
Printable PDF download
No money-back guarantee
Best Value

Premium

Guaranteed success

$60$35

90 days access

PDF

Printable PDF download

New

Save every question as a PDF for offline study or printing.

90 day access to all questions
Instant free updates
Highest passing rate in industry
Pass guaranteed or money back

100% Money-Back Guarantee

Don't pass? Full refund.

4.9/5

Based on 4,428+ reviews

Trusted by thousands of professionals

Join certified professionals who passed their exams with Examice

Examice helped me pass my AWS certification on the first try! The questions were incredibly similar to the real exam. Comments helped me understand answers I was struggling with.
S
Sarah C.
Cloud Engineer
Great results in a short prep time. Passed on my first attempt.
D
David K.
Network Engineer
I needed to pass an exam for work, and this website delivered. The quality for the price is outstanding, and the support is really good. I passed without issues.
M
Michael R.
Security Analyst
Skeptical at first, but impressed. Every question included clear, detailed explanations.
L
Lisa M.
Solutions Architect
The guarantee gave me confidence to invest in the premium package. Turns out I didn't need it. Passed comfortably. The explanations for each answer were incredibly detailed and helped me grasp security concepts that I'd been struggling with for months.
R
Robert H.
Cybersecurity Consultant
Used Examice for my PMP certification. The questions were well structured and covered all exam domains thoroughly.
J
James T.
IT Manager
After failing my first attempt with other study materials, I switched to Examice and passed confidently on my second attempt.
A
Anna W.
Data Engineer
The premium package was worth it. 90 days of access gave me the flexibility to study when it worked for me, without feeling rushed.
E
Emily J.
DevOps Engineer
Straightforward questions that matched the real exam perfectly. Studied for two weeks and passed with a great score.
K
Karen P.
Systems Administrator

Frequently Asked Questions

Everything you need to know. Contact us for more.

Our Cisco 640-878 questions are based on real exam experiences and are continuously updated to match the current exam format. We maintain a +99% pass rate because our questions closely mirror what you'll see on the actual exam.

With our Premium package, you get a 100% money-back guarantee. If you don't pass your exam after studying with our materials, simply contact us with your exam results and we'll refund your purchase. Terms and conditions apply, read our full refund policy to learn more.

Our question bank is updated regularly based on feedback from recent exam takers. We typically review and update our content every week with reports about new questions or changes to the exam format.

Standard package access cannot be extended. However, Premium package gives you 90 days which is typically more than enough time to prepare thoroughly. If you need additional time, you can purchase a new package at any time.

This is a one-time payment with no recurring charges. Once you purchase, you get full access to all exam questions for the duration of your package (30 days for Standard, 90 days for Premium). No hidden fees or automatic renewals.

Pass on your first try

All 126questions · Detailed explanations · Printable PDF · 90 days access

Money-back guaranteeSecure checkout
$35

one-time payment