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Cisco Certified Design Expert Practical Sample Questions:
1. Which interconnectivity method offers the fastest convergence in the event of a unidirectional issue between three Layer 3 switches connected together with routed links in the same rack in a data center?
A) Copper Ethernet connectivity with BFD enabled
B) Fiber Ethernet connectivity with UDLD enabled
C) Copper Ethernet connectivity with UDLD enabled
D) Fiber Ethernet connectivity with BFD enabled
2. Company ABC grew organically and now their single-area OSPF network has an unacceptably slow convergence time after a topology change. To address the slow convergence time, they want to introduce a multiarea OSPF design and implement address summarization at the area border routers, which option should be their main concern about this redesign?
A) More memory is needed across the routers on the network
B) Operations complexity is increased
C) SPF calculation takes longer
D) Routing is suboptimal
3. You are designing the QoS features for a large enterprise network that includes DMVPN. In which situation should you use the QoS pre-classify feature?
A) When you are marking packets with the DSCP bits
B) When the QoS policy cannot be based on DSCP bits
C) When your service provider requires the DSCP bits be set
D) When you are marking packets with the ToS bits
4. Which are two open-source SDN controllers? (Choose two)
A) OpenContrail
B) Application Policy Infrastructure Controller
C) Virtual Application Networks SDN controller
D) Big Cloud Fabric
E) OpenDaylight
5. As a part of a network design, you should tighten security to prevent man-in-the-middle. Which two security options ensure that authorized ARP responses take place according to know IP-to-MAC address mapping?
(Choose two)
A) DHCP snooping
B) ARP spoofing
C) Port security
D) Dynamic ARP Inspection
E) ARP rate limiting
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: A,E | Question # 5 Answer: A,D |
By Andy
