Cisco 300-320 Online Practice Questions and Exam Preparation

Cisco 300-320 Online Questions & Answers

• Question 171:

  A network engineer is using OTV to connect six data centers. Which option is preferred when deploying OTV to more than three sites?

  A. Filter MAC address at the join interface
  B. Use multicast-enabled transport
  C. Use Unicast-only transport
  D. Avoid multihoming.
  B. Use multicast-enabled transport

• Question 172:

  Multicast PIM-Sparse mode sends traffic overload. Which feature can reduce the multicast traffic in the access layer?

  A. IGMP snooping
  B. Filter at Boundaries
  C. PIM Dense-Mode
  D. MSDP
  A. IGMP snooping

• Question 173:

  A network engineer wants to limit the EIGRP query scope to avoid high CPU and memory utilization on low-end routers as well as limiting the possibility of a stuck- in-active routing event between HQ and branch offices. Which way to achieve these goals?

  A. Configure different Autonomous System number per each branch office and HQ and redistribute routes between autonomous systems.
  B. Configure all routers at branch offices as EIGRP stub and allow only directly connected networks at branch offices to be advertised to HQ
  C. Configure all routers at branch offices as EIGRP stub
  D. Configure all routers at HQ and branch offices as EIGRP stub
  C. Configure all routers at branch offices as EIGRP stub

• Question 174:

  What QoS technology allows traffic to pass even though it has exceeded the bandwidth limit but will be queued later?

  A. Shaping
  B. Policing
  C. Weighted Fair Queuing
  D. Low Latency Queuing
  A. Shaping

• Question 175:

  Which are the Two PIM Bidirectional multicast features?

  A. Multicast many to many application support.
  B. Source tree is calculated.
  C. Registration process is required.
  A. Multicast many to many application support.
  B. Source tree is calculated.

• Question 176:

  An engineer is responsible for the network security design of a small branch. Which security segment does the engineer propose to host the public services of the enterprise such as DNS, email, and web?

  A. external public network
  B. remote access VPN
  C. public access DMZ
  D. service provider edge
  C. public access DMZ

• Question 177:

  A network design team tasked to address congestion, QoS has been implemented but no longer effective? (Choose two)

  A. Bundle additional uplinks into logical etherchannels
  B. Configure selective packet discard to drop non-critical network traffic
  C. Implement highspeed uplink interfaces
  D. Reconfigure QoS based on intserv
  E. Utilize random early detection
  A. Bundle additional uplinks into logical etherchannels
  C. Implement highspeed uplink interfaces

• Question 178:

  Which option is a design recommendation for route summarizations?

  A. Filtered redistribution for the prevention of re-advertising of routes
  B. Routing protocol stub areas
  C. Route summarization for scalable routing and addressing design
  D. Defensive route filtering to defence against inappropriate routing traffic
  E. Route summarization to support greater volumes of transit traffic
  C. Route summarization for scalable routing and addressing design

• Question 179:

  Management has chosen to implement a top-of-the-rack data center design. Which two benefits of moving to this model are true? (Choose two.)

  A. easier per rack upgrades
  B. fewer ports required in the aggregation
  C. fewer switches to manage
  D. directly connected racks in the row
  E. decreased cabling costs
  A. easier per rack upgrades
  E. decreased cabling costs

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  Reference: http://bradhedlund.com/2009/04/05/top-of-rack-vs-end-of-row-data-center-designs/

• Question 180:

  An engineer chose to design an architecture where distribution switches are in VSS and are connected to access switches using Multichassis Etherchannel. What is the resulting topology?

  A. Looped
  B. Ring
  C. Hybrid
  D. Star
  D. Star