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QUESTION 67
Which file extension indicates a bootable installation file in Cisco IOS XR software?
A. .bin
B. .tar
C. .smu
D. .pie
E. .vm
F. .mini

Correct Answer: E
QUESTION 68
Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance?
A. MST
B. PVST+
C. PVRST+
D. RSTP
Correct Answer: A
QUESTION 69
“First Test, First Pass” – www.lead2pass.com 24 Cisco 640-878 Exam
ISPs use which protocol to establish peering sessions in an Internet exchange point environment?
A. LDP
B. IS-IS
C. BGP
D. OSPF
Correct Answer: C
QUESTION 70
Which two protocols are most often deployed in Cisco IP NGN multiservices core networks to support services like VPNs? (Choose two.)
A. MPLS
B. GRE
C. mGRE

D. SSL
E. VTI
F. multiprotocol BGP
Correct Answer: AF
QUESTION 71
A service provider needs to implement a managed CE device that supports Cisco IOS ISSU, and the current CE support staff is highly trained in Cisco IOS only. Which Cisco router platform should the service provider implement as the managed CE device?
A. Cisco ASR1K
B. Cisco ISR-G2
C. Cisco ASR9K
D. Cisco 12000 GSR
E. Cisco 7200
F. Cisco 7600
Correct Answer: A
QUESTION 72
Which three statements about service provider network requirements are true? (Choose three.)
A. Service provider networks are becoming more specialized, with providers offering only one service.
B. Service providers connect customers to the Internet.
C. Jitter and packet loss are no longer an issue.
D. Multiple access technologies are supported.
E. Customers can connect directly using copper, wireless, or fiber-optic links.
Correct Answer: BDE

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Cisco 640-878 Vce Files, Best Cisco 640-878 Exam Collection Are The Best Materials