350-060 · Question #119
A Tier 2 ISP network provides Internet connectivity to residential and business customers. The Tier 2 ISP uses Internet transit service from Tier 1 ISPs at different locations. Lately, the link…
The correct answer is A. Change the IGP cost metrics in the core. E. Use the BGP AS prepend to influence how Internet traffic enters the network from the Tier 1 ISPs. See the full explanation below for the reasoning.
Question
A Tier 2 ISP network provides Internet connectivity to residential and business customers. The Tier 2 ISP uses Internet transit service from Tier 1 ISPs at different locations. Lately, the link utilization on a few core links of the Tier 2 ISP has increased to unacceptable levels, while a significant part of the core network has low utilization. Which two of the following methods should be used to alleviate this problem without deploying additional links? (Choose two.)
Options
- AChange the IGP cost metrics in the core.
- BUse the BGP MED attribute to influence how Internet traffic exits the network to the Tier 1 ISPs.
- CUse the BGP local preference to influence how Internet traffic exits the network to the Tier 1 ISP.
- DUse QoS to rate-limit traffic.
- EUse the BGP AS prepend to influence how Internet traffic enters the network from the Tier 1 ISPs.
How the community answered
(27 responses)- A85% (23)
- B4% (1)
- C4% (1)
- D7% (2)
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