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2021 Mar 300-320 question
Q141. Which QoS architecture provides scalability of implementation?
A. IntServ
B. DiffServ
C. LLQ
D. RSVP
Answer: B
Q142. Which command can you enter to inject BGP routes into an IGP?
A. redistribute bgp
B. redistribute static
C. redistribute static subnet
D. default-information originate
Answer: A
Q143. Which option is the primary reason to implement security in a multicast network?
A. maintain network operations
B. allow multicast to continue to function
C. optimize multicast utilization
D. ensure data streams are sent to the intended receivers
Answer: A
Q144. Support of vPC on the Cisco Nexus 5000 access switch enables various new design options for the data center Access layer, including which of the following?
A. The vPC peer link is not required for Access layer control traffic, and can instead be used to span VLANs across the vPC access switches
B. A single switch can associate per-interface with more than one vPC domain
C. vPC can be used on both sides of the MEC, allowing a unique 16-link EtherChannel to be built between the access and aggregation switches
D. Allows an EtherChannel between a server and a access switch while still maintaining the level of availability that is associated with dual-homing a server to two different access switches
Answer: C
Q145. Which three options are basic design principles of the Cisco Nexus 7000 Series for data center virtualization? (Choose three.)
A. easy management
B. infrastructure scalability
C. cost minimization
D. upgrade of technology
E. transport flexibility
F. operational continuity
Answer: B,E,F
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Q146. 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: A
Q147. Which of the following should the Enterprise Campus network designer consider with respect to Video traffic?
A. While it is expected that the sum of all forms of video traffic will grow to over 90% by 2013, the Enterprise will be spared this rapid adoption of video by consumers through a traditional top-down approach
B. Avoid bandwidth starvation due to video traffic by preventing and controlling the wide adoption of unsupported video applications
C. Which traffic model is in use, the flow direction for the traffic streams between the application components, and the traffic trends for each video application
D. Streaming video applications are sensitive to delay while interactive video applications, using TCP as the underlying transport, are fairly tolerant of delay and jitter
Answer: C
Q148. Which statement about NIC teaming configurations is true?
A. With ALB, all ports use one IP address and multiple MAC addresses.
B. With AFT, two NICs connect to the different switches.
C. With SFT, all ports are active.
D. With AFT, all ports use one IP address and multiple MAC addresses.
Answer: A
Q149. Which option is a primary requirement for the deployment of an IPv6-enabled network via the native method (dual-stack model) within the enterprise campus environment?
A. hardware-based switching support for IPv6 forwarding on all campus switches
B. restriction of IPv6-enabled devices to the core layer
C. manual implementation of tunneling between IPv6-incompatible devices in an IPv4-over-IPv6 tunnel
D. disabling of multicast in the distribution layer prior to implementation of IPv6
Answer: A
Q150. 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