400-007 practice questions 21–30

1. Question 21 · 263 in bank

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   Which two impacts of adding the IP event dampening feature to a network design are true? (Choose two.)

   • AIt switches traffic immediately after a link failure
   • BIt improves overall network stability
   • CIt speeds up link failure detection
   • DIt protects against routing loops
   • EIt reduces the utilization of system processing resources

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   Answer: BE

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2. Question 22 · 263 in bank

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   You have been asked to design a high-density wireless network for a university campus. Which two principles would you apply in order to maximize the wireless network capacity? (Choose two.)

   • AChoose a high minimum data rate to reduce the duty cycle.
   • BMake use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
   • CEnable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.
   • DIncrease the number of SSIDs to load-balance the client traffic.
   • EImplement a four-channel design on 2.4 GHz to increase the number of available channels.

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   Answer: AB

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3. Question 23 · 263 in bank

   A healthcare customer requested that SNMP traps must be sent over the MPLS Layer 3 VPN service. Which protocol must be enabled?

   • Asyslog
   • BSNMPv3
   • CSNMPv2
   • Dsyslog TLS
   • ESSH

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   Answer: B

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4. Question 24 · 263 in bank

   Which management category is not part of FCAPS framework?

   • APerformance
   • BAuthentication
   • CSecurity
   • DFault-management
   • EConfiguration

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   Answer: B

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5. Question 25 · 263 in bank

   A BGP route reflector in the network is taking longer than expected to converge during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?

   • ADecrease the size of the small buffers.
   • BIncrease the size of the large buffers.
   • CIncrease the keepalive timers for each BGP neighbor.
   • DIncrease the size of the hold queue.

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   Answer: D

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6. Question 26 · 263 in bank

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   Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network? (Choose two.)

   • AThe Reported Distance from a successor is higher than the local Feasible Distance.
   • BA feasible successor must be present.
   • CThe Reported Distance from a successor is lower than the local Feasible Distance.
   • DThe Feasible Distance from a successor is lower than the local Reported Distance.
   • EThe feasibility condition does not need to be met.

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   Answer: BC

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7. Question 27 · 263 in bank

   Which undesired effect of increasing the jitter compensation buffer is true?

   • AThe overall transport delay decreases and quality improves.
   • BThe overall transport jitter increases and quality issues can occur.
   • CThe overall transport delay increases and quality issues can occur.
   • DThe overall transport jitter decreases and quality improves.

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   Answer: C

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8. Question 28 · 263 in bank

   What is the most important operational driver in building a resilient and secure modular network design?

   • AMinimize app downtime
   • BReduce the frequency of failures requiring human intervention
   • CIncrease time spent on developing new features
   • DDependencies on hardware or software that is difficult to scale

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   Answer: B

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9. Question 29 · 263 in bank

   

   Refer to the exhibit. For Company XYZ, Bangkok is using ECMP to reach the 172.20.2.0/24 network. The company wants a design that would allow them to forward traffic from 172.16.2.0/24 toward 172.20.2.0/24 via the Singapore router as the preferred route. The rest of the traffic should continue to use ECMP. Which technology fulfills this design requirement?

   • Apolicy-based routing
   • Bunequal-cost load balancing using variance
   • Croute summarization
   • DLFA

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   Answer: A

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10. Question 30 · 263 in bank

    Company XYZ is running OSPF in their network. They have merged with another company that is running EIGRP as the routing protocol. Company XYZ now needs the two domains to talk to each other with redundancy, while maintaining a loop free environment. The solution must scale when new networks are added into the network in the near future. Which technology can be used to meet these requirements?

    • Asingle point route-redistribution with route filtering using route tags
    • Bmultipoint route-redistribution with route filtering using ACLs
    • Cmultipoint route-redistribution with route filtering using route tags
    • Dsingle point route-redistribution with route filtering using ACLs

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    Answer: C

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400-007 practice, question 21. 263 questions available.