300-320 Exam
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Q21. Which two options are advantages of having a modular design instead of an EOR design in a data center? (Choose two.)
A. cooling constraints
B. cable bulk
C. decreased STP processing
D. redundancy options
E. cost minimization
F. low-skilled manager
Answer: C,D
Q22. A company has hired an entry-level network administrator for its new data center. The company CIO wants to give the administrator limited access on the newly configured Cisco Nexus 7000. Which feature should be used to allow limited access?
A. NAC
B. VDC
C. RBAC
D. vPC
Answer: C
Q23. What is the purpose of an OTV edge device?
A. connect to other data centers
B. connect to the access layer
C. connect to the end users
D. connect to mobile devices
Answer: A
Q24. Which architecture provides a way to deliver end-to-end QoS as required by real-time voice and video business applications?
A. IntServ
B. DiffServ
C. LLQ
D. ToS
E. DSCP
Answer: A
Q25. A network engineer is designing an access layer that requires all uplinks to be active. Furthermore, VLANs must span across the entire switch block. What design fulfills this requirement?
A. Layer 2 looped triangle
B. Layer 2 looped square
C. Layer 2 loop-free U
D. Layer 2 loop-free inverted U
Answer: D
Q26. A network engineer has implemented a looped triangle switch block design. What element must be included in the design?
A. first hop redundancy protocol
B. Layer 2 links between access switches
C. single uplinks between access and distribution switches
D. VLANs that span access switches
E. Layer 3 links between distribution switches
Answer: A
Q27. 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
Q28. What WAN feature can prioritize real-time, IP-based applications when circuits may be saturated?
A. FRTS
B. LLQ
C. CBWFQ
D. WFQ
Answer: B
Q29. Which of the following is true regarding the effect of EIGRP queries on the network design?
A. EIGRP queries will be the most significant issue with respect to stability and convergence
B. EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a next hop AD that is greater than the FD of the current successor route
C. EIGRP queries will only increase the convergence time when there are no EIGRP stubs designed in the network
Answer: A
Q30. Which two design concerns must be addressed when designing a multicast implementation? (Choose two.)
A. only the low-order 23 bits of the MAC address are used to map IP addresses
B. only the low-order 24 bits of the MAC address are used to map IP addresses
C. only the high-order 23 bits of the MAC address are used to map IP addresses
D. only the low-order 23 bits of the IP address are used to map MAC addresses
E. the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses
F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses
Answer: A,F