350-501 Practice Test

350-501 Practice Test practice questions, page 9 of 21, with answer review and explanations.

Question 41

Which CLI mode must be used to configure the BGP keychain in Cisco IOS XR Software?

  1. routing configuration mode
  2. BGP neighbor configuration mode
  3. global configuration mode
  4. BGP address-family configuration mode

Question 42

A remote operation center is deploying a set of I-BGP and E-BGP connections for multiple IOS-XR platforms using the same template. The I-BGP sessions exchange prefixes with no apparent issues, but the E-BGP sessions do not exchange routes. What causes this issue?

  1. The I-BGP neighbors are mistyped and HELLO packets cannot be exchanged successfully between routers.
  2. The E-BGP neighbors are not allowed to exchange Information due to the customer platform's default policy.
  3. A PASS ALL policy has not been implemented for the I-BGP neighbors.
  4. The next-hop-self command is not implemented on both E-BGP neighbors.

Question 43

Refer to the exhibit. An engineer is securing a customer's network. Which command must the engineer use to complete this configuration to prevent a DoS attack?

  1. neighbor ttl-security
  2. ebgp-multihop
  3. neighbor ebgp-multihop
  4. ttl-security

Question 44

What is the function of the FEC field within the OTN signal structure?

  1. It allows the sending devices to apply QoS within the OTN forwarding structure.
  2. It allows deep inspection of data payload fields.
  3. It allows receivers to correct errors upon data arrival
  4. It allows source nodes to discard payload errors before transmitting data on the network.

Question 45

A customer of an ISP requests support to setup a BGP routing policy. Which BGP attribute should be configured to choose specific BGP speakers as preferred points for the customer AS?

  1. lowest multi-exit discriminator
  2. highest local preference outbound
  3. lowest local preference inbound
  4. highest local preference inbound