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642-845 PDF DEMO:
QUESTION NO: 1
What form of AutoQoS is supported on Cisco Catalyst 2950 switches with the Enhanced Image?
A. AutoQos Enterprise
B. AutoQoS Campus
C. AutoQoS VoIP
D. AutoQoS LAN
Answer: C
QUESTION NO: 2
Interface congestion is causing drops in voice packets and TCP packets. The drops result in jerky speech quality and slower FTP traffic flows. Which two technologies would proactively address the TCP transfer rate and the voice problems? (Choose two.)
A. CBWFQ
B. LLQ
C. traffic shaping
D. WRED
Answer: BD
QUESTION NO: 3
Which two statements about the DiffServ QoS model are true? (Choose two.)
A. DiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.
B. Network traffic is identified by class, and the level of service is chosen for each class.
C. The DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.
D. RSVP enables the DiffServ model to provide end-to-end QoS.
E. The DiffServ model is more scalable than the IntServ model.
F. The flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.
Answer: BE
QUESTION NO: 4
Which three methods would help prevent critical network-traffic packet loss on high speed serial interfaces? (Choose three.)
A. policy routing
B. increase link capacity
C. WRED
D. CBWFQ
E. LFI
F. WFQ
Answer: BCD
QUESTION NO: 5
Which two steps are executed in the deployment of Cisco AutoQoS for Enterprise? (Choose two.)
A. The customer uses SNMP statistics to create the policy.
B. QoS policy templates are generated and installed on the interface.
C. RTP is used to generate the policy.
D. LLQ, cRTP, and LFI are used to automatically discover the policy.
E. The auto-generated policy is manually optimized before implementation.
F. Auto-discovery is used to determine what traffic is on the interface.
Answer: BF
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Updated: May 27, 2022