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300-320 Premium Bundle

Designing Cisco Network Service Architectures Certification Exam

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November 21, 2024Last update

Cisco 300-320 Free Practice Questions

Q1. When is a first-hop redundancy protocol needed in the distribution layer? 

A. when the design implements Layer 2 between the access and distribution blocks 

B. when multiple vendor devices need to be supported 

C. when preempt tuning of the default gateway is needed 

D. when a robust method of backing up the default gateway is needed 

E. when the design implements Layer 2 between the access switch and the distribution blocks 

Answer:

Q2. Which two benefits are achieved if a network is designed properly with a structured addressing scheme? (Choose two.) 

A. efficient ACLs 

B. improved redundancy 

C. hardened security 

D. easier troubleshooting 

E. added resiliency 

Answer: A,D 

Q3. What is the correct state between two BGP peers that are neighbors? 

A. active 

B. operational 

C. established 

D. up 

Answer:

Q4. Which routing protocol provides the fastest convergence and greatest flexibility within a campus environment? 

A. OSPF 

B. IS-IS 

C. BGP 

D. EIGRP 

Answer:

Q5. Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol? (Choose two.) 

A. Summarize data center subnets. 

B. Advertise a default route into the data center core from the aggregation layer. 

C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence. 

D. Adjust the default bandwidth value to ensure proper bandwidth on all links. 

Answer: A,B 

Q6. Click the Exhibit button. 

Refer to the exhibit. Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds? 

A. BFD 

B. UDLD 

C. RSTP 

D. PVST+ 

Answer:

Q7. Which technology is an example of the need for a designer to clearly define features and desired performance when designing advanced WAN services with a service provider? 

A. FHRP to remote branches 

B. Layer 3 MPLS VPNs secure routing 

C. Control protocols (for example Spanning Tree Protocol) for a Layer 3 MPLS service 

D. Intrusion prevention, QoS, and stateful firewall support network wide 

Answer:

Q8. What feature is a benefit of using Cisco UCS blade servers for data center virtualization? 

A. guest VM high availability 

B. converged LAN and SAN infrastructure 

C. host based etherchannel 

D. built-in hypervisor 

Answer:

Q9. A network engineer is designing a dual router, dual ISP solution and must prefer one ISP for inbound traffic over the other. Which two BGP attributes can be manipulated to accomplish this goal? (Choose two.) 

A. AS path 

B. MED 

C. local preference 

D. weight 

E. origin code 

Answer: A,B 

Q10. What is the next action taken by the Cisco NAC Appliance after it identifies a vulnerability on a client device? 

A. denies the client network resource access 

B. repairs the effected devices 

C. generates a Syslog message 

D. permits the client but limits to guest access 

Answer:

Q11. Which option is a common cause of congestion found in a campus network? 

A. input serialization delay 

B. output serialization delay 

C. Rx-queue starvation 

D. Tx-queue starvation 

Answer:

Q12. A network engineer is designing an address plan based on network applications. Which application presents the greatest need for its own address block? 

A. IP telephony 

B. management 

C. multicast 

D. physical security 

Answer:

Q13. On which two types of links should routing protocol peerings be established according to best practice? (Choose two.) 

A. distribution links 

B. end user links 

C. transit links 

D. core links 

Answer: C,D 

Q14. Which option does best practice dictate for the maximum number of areas that an OSPF router should belong to for optimal performance? 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

Answer:

Q15. With respect to address summarization, which of the following statements concerning IPv4 and IPv6 is true? 

A. The potential size of the IPv6 address blocks suggests that address summarization favors IPv6 over IPv4. 

B. Role based addressing using wildcard masks to match multiple subnets is suitable for IPv4, but unsuitable for IPv6. 

C. In order to summarize, the number of subnets in the IPv4 address block should be a power of 2 while the number of subnets in the IPv6 address block should be a power of 64. 

D. WAN link addressing best supports summarization with a /126 subnet for IPv4 and a /31 for IPv6. 

Answer:

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