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- 640-878: Building Cisco Service Provider Next-Generation Networks Part 2 (SPNGN2)
Free 640-878: Building Cisco Service Provider Next-Generation Networks Part 2 (SPNGN2) Exam Questions and Answers
Last updated: March 29, 2025
Examtopics 640-878: Building Cisco Service Provider Next-Generation Networks Part 2 (SPNGN2) Prepaway Real Exam Questions and dumps free download
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854-640-878: Building Cisco Service Provider Next-Generation Networks Part 2 (SPNGN2)
#Question
During troubleshooting, which command would you run to check for duplicate IP addresses on a network?
A.
show ip route
B.
traceroute
C.
ping
D.
show ip arp
Correct Answer:
D
The command show ip arp can be useful to check for duplicate IP addresses as it lists all active MAC addresses corresponding to IP addresses within a local network.
#Question
What does JSON stand for, and when is it commonly used?
A.
JavaScript Object Notation; in web APIs
B.
JavaScript Online Notation; for frontend applications
C.
Java Scripting Object Notation; for database storage
D.
Java Source Object Notation; for Java applications
Correct Answer:
A
JSON (JavaScript Object Notation) is a lightweight data interchange format commonly used for APIs in web applications for facilitating data exchange.
#Question
Which technology can a service provider leverage to manage and optimize application traffic across a WAN?
A.
Static routing
B.
MPLS
C.
Layer 3 NAT
D.
IPsec VPN
Correct Answer:
B
MPLS can optimize application traffic across a WAN by allowing traffic engineering, ensuring efficient data flow and path selection.
#Question
What defines the "route reflector" functionality in a BGP environment?
A.
It filters outbound routes
B.
It manages incoming traffic
C.
It forwards labels based on policies
D.
It reduces the number of iBGP sessions
Correct Answer:
D
A route reflector reduces the number of iBGP sessions needed by allowing routers to share routing information without being direct peers.
#Question
What term describes the practice of joining multiple interfaces to increase bandwidth on a switch?
A.
VLAN tagging
B.
Aggregation
C.
Bonding
D.
Trunking
Correct Answer:
B
Aggregation refers to the practice of bonding multiple interfaces together to increase overall bandwidth on a switch.
#Question
Which of the following protocols can be used for remote device management?
A.
NAT
B.
ICMP
C.
Telnet
D.
ARP
Correct Answer:
C
Telnet is a protocol that facilitates remote management of devices over a network, allowing for command-line interface access.
#Question
How does link aggregation improve network connectivity?
A.
Configures static routes
B.
Enhances redundancy
C.
Both A and B
D.
Increases bandwidth
Correct Answer:
C
Link aggregation improves network connectivity by increasing available bandwidth and providing redundancy through multiple active links.
854-640-878: Building Cisco Service Provider Next-Generation Networks Part 2 (SPNGN2)
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