You work for a service provider that currently uses a full mesh of IBGP peers to share EBGP routes. You are concerned about future scalability with this model and have decided to use route reflectors to overcome the scale limitations associated with the full mesh model.
In this scenario, which statement is true?
A. Cluster IDs must be configured on all IBGP peers.
B. Route reflectors readvertise both the active and backup routes
C. Route reflectors do not change existing IBGP next hops by default.
D. Private autonomous system numbers must be configured on all IBGP peers.
正解:D
質問 2:
Exhibit.
You are asked to ensure that most traffic that traverses your network is load balanced over all of the equal cost links between the routers in your network. However, you must also ensure that traffic from ISP A that is destined for ISP D must traverse the R1-R2-R3-R4-R5 path.
Referring to the exhibit how would you accomplish this task?
A. Adjust the BGFs LOCAL PREF attribute to ensure that the raw IP packets follow the required path.
B. Force the ISP A to ISP D traffic over RSVP-signaled LSPs.
C. Force the ISP A to ISP D traffic over LDP-signaled LSPs.
D. Adjust the OSPF metrics of each link so that the raw IP packets follow the required path.
正解:B
質問 3:
You are asked to provide a design proposal for a service provider network that will need to support both IPv4 and IPv6 traffic across your IPv4 core. You do not want to change the core design.
In this scenario, what are two solutions that you would implement at the peering edge? (Choose two.)
A. native IPv6 routing
B. NAT64
C. 6PE
D. GRE tunneling
正解:A,C
質問 4:
A new customer asks that you extend their LAN across your WAN The customer wants to retain administrative control over all routing in their network.
Which two architectures would meet this requirement? (Choose two.)
A. Layer 2 VPN
B. VPLS
C. public Internet
D. Layer 3 VPN
正解:A,B
質問 5:
You work for a service provider and are designing an L3VPN with Internet access solution for a customer using Provider Independent (PI) IPv6 space.
Which networking designs will work for this customer?
A. Use NAT64 to convert PI space to IPv4 internet addresses, set up 6VPE routing instances on your PE routers for the customer.
B. Use NAT66 to convert PI space to your public IPv6 space set up 6PE on your PE routers to transport IPv6 traffic natively.
C. Use NAT64 to convert PI space to IPv4 Internet addresses set up 6PE on your PE routers to transport IPv4 traffic natively.
D. Use NAT64 to convert PI space to your public IPv6 space set up 6VPE routing instances on your PE routers for the customer
正解:A
質問 6:
Your customer requires redundant routers and wants to use VRRP for the default gateway at their Internet edge.
Which two statements are correct in this scenario? (Choose two )
A. VRRP will only support two routers
B. The VRRP master and backup send advertisements to each other at regular intervals.
C. VRRP dynamically elects master and backup routers
D. VRRP for IPv6 provides a much faster switchover to an alternate default router than IPv6 neighbor discovery procedures
正解:B,C
質問 7:
A customer wants to consolidate all remote site connections into a single enterprise WAN for backhual to the corporate headquarters and data centers.
Which solution satisfies this requirement?
A. WAN aggregation
B. Internet edge
C. Data Center Interconnect
D. private WAN
正解:C
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