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Q1. A network design engineer has been asked to reduce the size of the SPT on an IS-IS broadcast network. Which option should the engineer recommend to accomplish this task?
A. Configure the links as point-to-multipoint.
B. Configure QoS in all links.
C. Configure a new NET address.
D. Configure the links as point-to-point.
Answer: D
Q2. Which of these Layer 2 access designs does not support VLAN extensions?
A. FlexLinks
B. loop-free U
C. looped square
D. looped triangle
E. loop-free inverted U
Answer: B
Q3. Recently, the WAN links between the headquarters and branch offices have been slow under peak congestion, yet multiple alternate WAN paths exist that are not always congested. What technology can allow traffic to be routed in a more informed manner to utilize transport characteristics such as delay, loss, or link load?
A. performance routing
B. static routing
C. on demand routing
D. policy based routing
Answer: A
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: B
Q5. 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: C
Q6. What is the maximum number of neighbors that a router should have in an OSPF area?
A. 5
B. 30
C. 60
D. 99
Answer: C
Q7. 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
Q8. A campus network utilizes EIGRP to connect to.several remote branch offices.
Which configuration should be established on all branch routers to improve routing scalability and performance?
A. Configure authentication between the campus and branch offices.
B. Enable stub routing on all branch routers.
C. Adjust EIGRP k-values to utilize delay.
D. Utilize offset lists to direct traffic more efficiently.
Answer: B
Q9. What are the three configuration requirements for implementing Modular QoS on a router? (Choose three.)
A. CoS
B. class map
C. precedence
D. service policy
E. priority
F. policy map
Answer: B,D,F
Q10. The network designer needs to consider the number of multicast applications and sources in the network to provide the most robust network possible. Which of the following is a consideration the designer must also address?
A. The IGPs should utilize authentication to avoid being the most vulnerable component
B. With SSM source or receiver attacks are not possible
C. With Shared Trees access control is always applied at the RP
D. Limit the rate of Register messages to the RP to prevent specific hosts from being attacked on a PIM-SM network
Answer: B