多項(xiàng)選擇題You need to configure a new Cisco router to be installed in the VOIP network. Which threeinterface commands will configure the switch port to support a connected Cisco phone and to trustthe CoS values received on the port if CDP discovers that a Cisco phone is attached?()

A.switchport voice vlan vlan-id
B.mls qos trust device cisco-phone
C.switchport priority extend cos_value
D.mls qos trust cos
E.mls qos trust override cos


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1.單項(xiàng)選擇題

Look at the graphic below, the connectivity between Cisco IP phone access port and theworkstation CK-PC has been established, how to manage the traffic?()

A.The IP phone access port will override the priority of the frames received from the CK-PC
B.The IP phone access port would trust the priority of the frames received from the CK-PC
C.The switch port FaO/4 would neglect the priority of the frames received from the CK-PC
D.The switch port FaO/4 would trust the priority for the frames received from the CK-PC

2.單項(xiàng)選擇題

An IP phone connects a user to a switch as shown below:

Based on the diagram shown above, which statement is true about the voice traffic coming to theswitch access port that is connected to the IP phone?()

A.A PC connected to a switch port via an IP phone is unaware of the presence of the phone
B.The traffic on the voice VLAN must be tagged with 802.1p encapsulation in order to coexist onthe same LAN segment with a PC
C.To improve the quality of the voice traffic, no other devices should be attached to the IP phone
D.The voice VLAN must be configured as a native VLAN on the switch
E.A PC connected to a switch port via an IP phone must support a trunking encapsulation

3.多項(xiàng)選擇題Which three statements are true about implementing wireless LANs in the network using Ciscodevices?()

A.Antenna power is a relative value reference to dBi
B.LWAPP allows encrypted communications between lightweight access points and WLANcontrollers.
C.Characteristics of antennas are directionality, gain, and polarization
D.Power over Ethernet (PoE) is only available when a WLAN controller is integrated into thenetwork
E.The WLAN solution Engine (WLSE) is used to control lightweight access points
F.One of the advantages of the lightweight WLAN solution is that the devices act indepently

5.單項(xiàng)選擇題On the wireless LAN, A client is searching for an access point (AP). What is the correct processorder that this client and access point goes through in order to create a connection?()

A.association request/response, probe request/response, authentication request/response
B.association request/response, authentication request/response, probe request/response
C.probe request/response, authentication request/response, association request/response
D.probe request/response, association request/response, authentication request/response
E.None of the other alternatives apply

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