單項(xiàng)選擇題You are the Cisco Network Designer in Cisco.com. Which layer NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?（）

A. Layer 2
B. Layer 3
C. Layer 4
D. out-of-band


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1.單項(xiàng)選擇題To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）

A. prioritization
B. classification
C. fragmentation
D. traffic shaping

2.問(wèn)答題

DRAG DROP
3.單項(xiàng)選擇題Which QoS requirement applies to streaming video traffic?（）

A. one-way latency of 150 ms to 200 ms
B. jitter of 30 ms or less
C. packet loss of 2 percent or less
D. 150bps of overhead bandwidth

5.多項(xiàng)選擇題Which two are characteristics of RSVP?（）

A. RSVP itself provides bandwidth and delay guarantees.
B. For RSVP to be end-to-end, all devices must support RSVP.
C. RSVP reservations are maintained by a centralized reservations server.
D. An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.

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