Q1. Which two services are provided at the aggregation layer in a data center design? (Choose two.) 

A. service module integration 

B. default gateway redundancy 

C. high-speed packet switching backplane 

D. network interface card teaming 

E. Layer 3 domain definitions 

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Q2. 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 

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Q3. What is the maximum number of neighbors that a router should have in an OSPF area? 

A. 5 

B. 30 

C. 60 

D. 99 

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Q4. Which two key components are related to one firewall per ISP design option for e-commerce? (Choose two.) 

A. It is a common approach to single-homing. 

B. This approach is commonly used in large sites. 

C. Any failure on an edge router results in a loss of session. 

D. It has one NAT to two ISP-assigned blocks. 

E. It is difficult to set up and administer. 

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Q5. A network engineer wants to connect two sites via a WAN technology and to securely pass multicast traffic over this WAN technology. Which WAN technology should be configured? 

A. IPsec 

B. GRE 

C. pure MPLS 

D. GRE over IPsec 

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Q6. Which two protocol characteristics should be most considered when designing a single unified fabric for the Data Center? (Choose two.) 

A. FCIP or FCoE allow for easier integration by using the Fibre Channel Protocol (FCP) and Fibre Channel framing 

B. iSCSI uses a special EtherType and an additional header containing additional control information 

C. FCIP and iSCSI has higher overhead than FCoE owing to TCP/IP 

D. FCoE was initially developed to be used as a switch-to-switch protocol, while FCIP is primarily meant to be used as an access layer protocol to connect hosts and storage to a Fibre Channel SAN 

E. FCoE requires gateway functionality to integrate into an existing Fibre Channel network 

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Q7. Which of these statements is correct regarding Stateful Switchover and Cisco Nonstop Forwarding? 

A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds. 

B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds. 

C. Distribution switches are single points of failure causing outages for the end devices. 

D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second. 

E. NSF and SSO with redundant supervisors have the most impact on outages at the access layer. 

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Q8. Which technology extends Layer 2 LANs over any network that supports IP? 

A. OTV 

B. VSS 

C. vPC 

D. VLAN 

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Q9. Refer to the exhibit. 

The network engineer wants to ensure that receiver A does not receive traffic from the video conference. 

For multicast traffic, where must the filtering be placed to fulfill that requirement? 

A. R1 

B. Video Conference 

C. A 

D. S1 

E. R2 

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Q10. Which two of these are characteristics of multicast routing? (Choose two.) 

A. multicast routing uses RPF. 

B. multicast routing is connectionless. 

C. In multicast routing, the source of a packet is known. 

D. When network topologies change, multicast distribution trees are not rebuilt, but use the original path 

E. Multicast routing is much like unicast routing, with the only difference being that it has a a group of receivers rather than just one destination 

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