Cisco 300-420 Online Practice Questions and Exam Preparation

Cisco 300-420 Online Questions & Answers

• Question 121:

  Which two statements about VRRP advertisements are true? (Choose two.)

  A. They are sent from the master router and standby routers.
  B. They include VRRP timer information.
  C. They are sent only from the master router.
  D. They include priority information.
  E. They are sent every three seconds by default.
  C. They are sent only from the master router.
  D. They include priority information.

• Question 122:

  An engineer is working with NETCONF and Cisco NX-OS based devices. The engineer needs a YANG model that supports a specific feature relevant only to Cisco NX-OS. Which model must the engineer choose?

  A. Native
  B. IEEE
  C. OpenConfig
  D. IETF
  A. Native

• Question 123:

  Which control plane protocol is responsible for ElD-to-RLOC mapping concerning SO- Access Architecture?

  A. GBAC
  B. LISP
  C. CEF
  D. VXLAN
  B. LISP

• Question 124:

  Which Cisco vEdge router offers 20 Gb of encrypted throughput?

  A. Cisco vEdge 2000
  B. Cisco vEdge 100
  C. Cisco vEdge 5000
  D. Cisco vEdge 1000
  C. Cisco vEdge 5000

• Question 125:

  An engineer must design a management network that enables SSH, NTP, FTP, and SNMP over the production network. The design requires the management of routers and switches that exist across different networks. Which feature must the design include?

  A. Management Plane Protection
  B. dedicated management console connection per device
  C. terminal server
  D. dedicated management VRF connection per device
  D. dedicated management VRF connection per device

• Question 126:

  An engineer is designing a BGP network for a large customer. To permit efficient scaling, the BGP domain is split into clusters. Which peering solution should be used between the route reflectors in different clusters for the BGP routes to be propagated appropriately?

  A. The route reflectors should be made dents of each other.
  B. The route reflectors should be nonclients with regards to each other.
  C. The route reflectors should not have any kind of BGP peering.
  D. The route reflectors should have peering through another nonclient router.
  B. The route reflectors should be nonclients with regards to each other.

• Question 127:

  Which security functionality does gRPC provide?

  A. enabling RC6 data-level encryption with CRC check
  B. mandatory encryption of data at rest using the AES and RSA protocols
  C. implementing secure server-client tunnels with RSA 2048 cipher encryption
  D. supporting secure communication between network devices and control systems using TLS and HTTPS
  D. supporting secure communication between network devices and control systems using TLS and HTTPS

• Question 128:

  An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state. Which solution limits impact on the device and provides the required data?

  A. IPFIX
  B. static telemetry
  C. on-change subscription
  D. periodic subscription
  D. periodic subscription

• Question 129:

  An engineer is upgrading a company's main site to include a connection to a second ISP. The company will receive full Internet routing tables from both ISPs via BGP. The engineer must ensure that the company does not become a transit autonomous system. Which solution should be included in this design?

  A. Tag incoming routes from both ISPs with BGP community no-export.
  B. Lower the MED for updates sent to the secondary ISP.
  C. Use a route-map to prevent all prefixes from being advertised to either ISP.
  D. Modify the local-preference for routes incoming from the primary ISP.
  A. Tag incoming routes from both ISPs with BGP community no-export.

• Question 130:

  What is an advantage of designing an out-of-band network management solution?

  A. In the event of a production network outage, network devices can still be managed.
  B. There is no separation between the production network and the management network.
  C. In the event of a production network outage, it can be used as a backup network path.
  D. It is less expensive than an in-band management solution
  A. In the event of a production network outage, network devices can still be managed.