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Designing Cisco Network Service Architectures Certification Exam

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November 21, 2024Last update

Cisco 300-320 Free Practice Questions

Q1. Which option can be implemented to manipulate the election of PIM DR to force multicast traffic to a certain path? 

A. Assign a lower PIM DR priority to the PIM DR interface. 

B. Assign a lower IP address to the PIM DR interface. 

C. Assign a higher PIM DR priority to the PIM DR interface. 

D. Increase the cost on the PIM DR interface. 

Answer:

Q2. Which unique EIGRP feature allows for faster Layer 3 convergence? 

A. fast EIGRP timers 

B. feasible successors 

C. hybrid routing protocol 

D. Cisco proprietary protocol 

Answer:

Q3. What is an advantage of using the vPC feature in a data center environment? 

A. VSS is a requirement. 

B. Multiple instances of control plane are formed. 

C. The control plane and management plane remain separate. 

D. Cisco FabricPath technology does not have to be configured. 

Answer:

Q4. 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:

Q5. Which four primary attributes define a WAN service? (Choose four.) 

A. bandwidth 

B. bursting capacity 

C. memory 

D. CPU 

E. QoS classes and policies 

F. latency 

G. multicast support 

Answer: A,B,E,G 

Q6. When designing remote access to the Enterprise Campus network for teleworkers and mobile workers, which of the following should the designer consider? 

A. It is recommended to place the VPN termination device in line with the Enterprise Edge firewall, with ingress traffic limited to SSL only 

B. Maintaining access rules, based on the source IP of the client, on an internal firewall drawn from a headend RADIUS server is the most secure deployment 

C. VPN Headend routing using Reverse Route Injection (RRI) with distribution is recommended when the remote user community is small and dedicated DHCP scopes are in place 

D. Clientless SSL VPNs provide more granular access control than SSL VPN clients (thin or thick), including at Layer7 

Answer:

Q7. Which network virtualization plane is used to separate traffic forwarding tables? 

A. control 

B. data 

C. management 

D. access 

Answer:

Q8. Which VRF component ensures control plane separation between the different Layer 3 VPNs? 

A. FIB 

B. routing protocol instance 

C. RIB 

D. a subset of the router interfaces 

Answer:

Q9. 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:

Q10. Why is QoS important for in-band management? 

A. It supports remote management when traffic volume is high. 

B. It supports proper routing. 

C. It supports network security against DoS attacks and worm outbreaks. 

D. It supports network redundancy. 

Answer:

Q11. Which NAC design model matches the following definitions?.

A. Layer 3 in-band virtual gateway 

B. Layer 3 out-of-band with addressing 

C. Layer 2 in-band virtual gateway 

D. Layer 2 out-of-band virtual gateway 

Answer:

Q12. Which router type injects external LSAs into the OSPF database using either other routing protocols or static routes? 

A. backbone router 

B. ABR 

C. internal router 

D. designated router 

E. ASBR 

Answer:

Q13. A network design team is experiencing sustained congestion on access and distribution uplinks. QoS has already been implemented and optimized, and it is no longer effective in ensuring optimal network performance. 

Which two actions can improve network performance? (Choose two.) 

A. Reconfigure QoS based on the IntServ model. 

B. Configure selective packet discard to drop noncritical network traffic. 

C. Implement higher-speed uplink interfaces. 

D. Bundle additional uplinks into logical EtherChannels. 

E. Utilize random early detection to manage queues. 

Answer: C,D 

Q14. An engineer is designing a new data center network so that the topology maintains fewer uplinks to the aggregation layer to reduce STP processing requirements. What data center topology meets the RFP requirements? 

A. mesh 

B. top of rack 

C. star 

D. end of row 

Answer:

Q15. Which statement about data center access layer design modes is correct? 

A. The access layer is the first oversubscription point in a data center design. 

B. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3. 

C. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer. 

D. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer. 

Answer:

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