300-320 Exam - Designing Cisco Network Service Architectures

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Q1. 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:

Q2. Which protocol should be configured if a network administrator wants to configure multiple 

physical gateways to participate simultaneously in packet forwarding? 

A. HSRP 

B. VRRP 

C. GLBP 

D. VTP 

Answer:

Q3. Which option lists the EIGRP minimum timer settings for hello and dead timers in seconds? 

A. 4 and 6 

B. 2 and 4 

C. 2 and 6 

D. both 6 

Answer:

Q4. Which two physical components can enable high availability on a Cisco 6500 device? (Choose two.) 

A. dual supervisor modules 

B. bundled Ethernet Interconnects 

C. line modules with DFCs 

D. redundant power supplies 

E. VSS interlink cables 

Answer: A,D 

Q5. CoS is applied for Layer 2 markings in an Ethernet environment. Which protocol must be configured on the Layer 2 switch port for CoS to work? 

A. MPLS 

B. IEEE 802.1W 

C. IEEE 802.1Q 

D. IEEE 802.1S 

Answer:

Q6. Refer to the exhibit. 

Which recommended practice is applicable? 

A. If no core layer is deployed, the design will be easier to scale. 

B. A dedicated campus core layer should be deployed for connecting three or more buildings. 

C. If no core layer is deployed, the distribution switches should not be fully meshed. 

D. A dedicated campus core layer is not needed for connecting fewer than five buildings. 

Answer:

Q7. A network team must provide a redundant secure connection between two entities using OSPF. The primary connection will be an Ethernet Private Line and the secondary connection will be a site-to-site VPN. What needs to be configured in order to support routing requirements for over the VPN connection? 

A. GRE Tunnel 

B. HTTPS 

C. Root Certificate 

D. AAA Server 

Answer:

Q8. 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:

Q9. A BGP network is having difficulty scaling with the full mesh peer requirement. What two iBGP alternates can scale BGP appropriately? (Choose two.) 

A. communities 

B. route reflectors 

C. confederations 

D. peer groups 

E. peer templates 

Answer: B,C 

Q10. Which option is an advanced WAN services design consideration for a multipoint architecture that connects two or more customer devices using Ethernet bridging techniques over an MPLS network? 

A. VPLS 

B. Metro Ethernet 

C. MPLS 

D. SONET/SDH 

Answer: