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Cisco Designing Cisco Enterprise Networks Sample Questions (Q283-Q288):
NEW QUESTION # 283
An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end. Which QoS architecture model meets these requirements?
- A. LLQ
- B. IntServ
- C. DiffServ
- D. WRED
Answer: B
Explanation:
Section: Network Services
NEW QUESTION # 284
Which two steps can be taken to improve convergence in an OSPF network? (Choose two.)
- A. Span the same IP network across multiple areas.
- B. Use Bidirectional Forwarding Detection
- C. Tune OSPF parameters
- D. Make all non-backbone areas stub areas
- E. Merge all the areas into one backbone area
Answer: B,C
Explanation:
Network convergence is the time that is needed for the network to respond to events.
One of the significant factors in routing convergence is the detection of link or node failure (events).
This is where BFD comes in to play.
OSPF Timers
The default OSPF LSA propagation timers are quite conservative. Lowering the values of the timers that control OSPF LSA generation can significantly improve OSPF convergence times
https://www.ciscopress.com/articles/article.asp?p=1763921&seqNum=6
NEW QUESTION # 285
Which component is part of the Cisco SD-Access overlay architecture?
- A. border node
- B. Cisco DNA Center
- C. leaf node
- D. spine node
Answer: A
Explanation:
Border Node is part of the overlay.
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design- guide.html#OverlayNetwork
NEW QUESTION # 286
What are the two purpose of the RPF check in multicast routing?
- A. to ensure that multicast packets are forwarded if they arrived on the interface used to route traffic to the destination address
- B. to ensure that multicast packets are dropped if they arrived on the interface used to route traffic to the destination address
- C. to ensure that multicast packets, no matter the interface they arrived on. are forwarded out all interfaces
- D. to ensure that multicast packets are dropped if they arrived on the interface used to route traffic back to the source address
- E. to ensure that multicast packets are forwarded if they arrived on the interface used to route traffic back to the source address
Answer: B,E
NEW QUESTION # 287
Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)
- A. edge border
- B. extended border
- C. anywhere border
- D. internal border
- E. intermediate border
Answer: C,D
Explanation:
Explanation
There are 3 types of border nodes in SD-Access:
External. Default exit from fabric with no specific routes injection
Internal. Gateway only for a set of networks, such as shared services prefixes Anywhere. Combination of external and internal functionality
NEW QUESTION # 288
......
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