300-420 Practice Test

Review 416 300-420 practice questions with answer explanations and community insights.

Question 1

Which two BGP features will result in successful route exchanges between eBGP neighbors sharing the same AS number? (Choose two.)

  1. advertise-best-external
  2. bestpath as-path ignore
  3. client-to-client reflection
  4. as-override
  5. allow-as-in

Question 2

A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology. Which topology supports these requirements?

  1. dual stack
  2. 6VPE
  3. 6to4
  4. NAT64

Question 3

An engineer is designing an addressing plan for a small business using a single /24 network. Each department must have its own subnet. Drag and drop the subnets from the left onto the requirements of the department they fulfill on the right. Not all options are used. Select and Place:

Question 4

A company is running BGP on a single router, which has two connections to the same ISP. Which BGP feature ensures traffic is load balanced across the two links to the ISP?

  1. Multihop
  2. Multipath Load Sharing
  3. Next-Hop Address Tracking
  4. AS-Path Prepending

Question 5

Company A recently acquired another company. Users of the newly acquired company must be able to access a server that exists on Company A's network, both companies use overlapping IP address ranges. Which action conserves IP address space and provides access to the server?

  1. Use a single IP address to create overload NAT
  2. Use a single IP address to create a static NAT entry
  3. Build one-to-one NAT translation for every user that needs access
  4. Re-IP overlapping address space in the acquired company