多項(xiàng)選擇題Which two features are supported by the WLAN Solution Engine (WLSE)?()

A.configuration of APs
B.auto discovery of rogue APs
C.reporting
D.WLSE in two versions: base and location
E.graphical view of multiple controllers and managed APs


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1.多項(xiàng)選擇題Which three traffic descriptors are typically used as QoS markings for packets or frames entering the network?()

A.protocol type
B.CoS
C.DSCP
D.IP precedence
E.destination address
F.input interface

2.單項(xiàng)選擇題What is true about Quality of Service (QoS) for VPNs?()

A.QoS preclassification is only supported on generic routing encapsulation (GRE) and IPsec VPNs
B.QoS preclassification is not required in Layer 2 Tunneling Protocol (L2TP), Layer2 Forwarding (L2F), and Point-to-Point Tunneling Protocol (PPTP) VPNs
C.QoS preclassification is supported on IPsec AH VPNs, but not on IPsec ESP VPNs
D.the QoS-for-VPNs feature (QoS preclassification) is designed for VPN transport interfaces
E.with IPsec tunnel mode, the type of service (ToS) byte value is copied automatically from the original IP header to the tunnel header

3.多項(xiàng)選擇題What are three types of packet delays that occur in a network? ()

A.timing
B.queuing
C.differential
D.serialization
E.packetization
F.propagation

4.多項(xiàng)選擇題Which three statements are true about the data traffic characteristics of voice traffic? ()

A.latency must be kept below 150 ms
B.latency is not a concern as long as jitter is kept below 30 ms
C.voice packets do not require a specific type of queuing
D.voice packets are rather small
E.voice packets require TCP for rapid retransmission of dropped packets
F.voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload

5.多項(xiàng)選擇題What are two QoS mechanisms that are used to prevent packet loss?()

A.header compression
B.payload compression
C.low latency queuing (LLQ)
D.weighted random early detection (WRED)
E.traffic policing
F.traffic shaping

6.多項(xiàng)選擇題Which two statements are true about RSVP and the InServ QoS model?()

A.a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol
B.RSVP uses DSCP to signal QoS requirements to routers 
C.RSVP is a routing protocol
D.RSVP is an IP protocol that uses IP protocol ID 46, and TCP/UDP ports 3455
E.RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic
F.the flow-based approach of RSVP is ideal for large, scalable implementations such as the public internet

9.單項(xiàng)選擇題Which certification-based protocol is implemented for wireless QoS between an AP and a wireless client over RF media?()

A.WMM using DCF
B.WMM using EDCAF
C.802.1e using DCF
D.802.1e using EDCAF

10.多項(xiàng)選擇題Which two statements about the open and shared key wireless-authentication methods are true?()

A.shared key authentication is considered more secure than open authentication
B.shared key authentication is considered less secure than open authentication
C.if the WEP keys do not match using the open authentication method, the client will not authenticate, associate, and transfer data
D.if the WEP keys do not match using the open authentication method, the client will still be able to authenticate and associate, but will not transfer data
E.if the WEP keys do not match using the open authentication method, the client will still be able to authenticate, associate, and transfer data

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