Cisco 640-878 - Building Cisco Service Provider Next-Generation Networks, Part 2 Exam
Page: 3 / 26
Total 126 questions
Question #11 (Topic: )
A customer has installed a second router and copied the configuration from the first router,
as shown below. What change is needed to ensure that router 1 is the primary IP address?
Router 1
standby 1 priority 110
standby 1 preempt
Router 2
standby 1 priority 120
standby 1 preempt
as shown below. What change is needed to ensure that router 1 is the primary IP address?
Router 1
standby 1 priority 110
standby 1 preempt
Router 2
standby 1 priority 120
standby 1 preempt
A. decrease the priority on router 2 to 109
B. decrease the priority on router 1 to 109
C. remove standby 1 preempt from router 1
D. increase the priority on router 2 to 130
E. increase the priority on router 1 to 119
Answer: A
Question #12 (Topic: )
The permit 172.16.32.0 0.0.15.255 access-list entry permits exactly which IP address
range?
range?
A. 172.16.32.0 to 172.16.47.255
B. 172.16.32.0 to 172.16.48.255
C. 172.16.32.0 to 172.16.62.255
D. 172.16.32.0 to 172.16.63.255
E. 172.16.32.0 to 172.16.64.255
F. 172.16.32.0 to 172.16.255.255
Answer: A
Question #13 (Topic: )
Your switch network has been configured to support multiple VLANs. In order for the users
on one VLAN to communicate with users on another VLAN, which additional configuration
is required?
on one VLAN to communicate with users on another VLAN, which additional configuration
is required?
A. Enable a routing protocol like EIGRP on a router or on a Layer 3 capable switch
B. Enable inter-VLAN routing on a router or on a Layer 3 capable switch
C. Enable a switch virtual interface on the router, using the interface vlan global configuration command
D. Enable a switch virtual interface on the switch, using the encapsulation dot1q
E. subinterface configuration command
F. Enable IP routing on a Layer 2 switch
Answer: B
Question #14 (Topic: )
Refer to the topology diagram in the exhibit.
Which two interface configuration commands on the Cisco ME 3400-1 switch Fa 0/1
interface are required to support the VLANs for Customer A to be trunked across the
service provider network? (Choose two.)
Which two interface configuration commands on the Cisco ME 3400-1 switch Fa 0/1
interface are required to support the VLANs for Customer A to be trunked across the
service provider network? (Choose two.)
A. switchport access vlan 30
B. switchport mode trunk
C. switchport mode dot1q-tunnel
D. switchport trunk allowed vlan 1-100
Answer: A,C
Question #15 (Topic: )
Refer to the exhibit.
A network engineer implemented these configurations. However, Intermediate System-to-
Intermediate System (IS-IS) neighbors are unable to establish. What is the reason for this
error?
A network engineer implemented these configurations. However, Intermediate System-to-
Intermediate System (IS-IS) neighbors are unable to establish. What is the reason for this
error?
A. missing router IS-IS x command
B. missing IP router IS-IS command
C. missing network mask
D. missing network statement
E. missing MTU matching value
Answer: B
