單項(xiàng)選擇題

You have configured the "config network webmode enable" command on a Cisco device. 
What is the purpose of this command? ()

A.To allow HTTP access to the WLAN controller
B.To allow SSH access to the CLI of the WLAN controller
C.To allow SSL access to the CLI of the WLAN controller
D.To allow HTTPS access to the WLAN controller
E.None of the other alternatives apply


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1.單項(xiàng)選擇題Which statement is true about voice VLANs? ()

A.When the voice VLAN feature is enabled, all untagged voice and data traffic is sent through the voice VLAN.
B.The voice VLAN feature is enabled by default.
C.The IP phone overrides the priority of all incoming data traffic (tagged and untagged) and sets the CoS value to 0.
D.The default CoS value is 1 for incoming voice and data traffic.

2.單項(xiàng)選擇題

You work as a network engineer for. You study the exhibit carefully. 
What type of attack would be mitigated by this configuration?()

A.CDP manipulation
B.VLAN hopping
C.MAC spoofing
D.MAC flood attack
E.ARP spoofing
F.spanning tree compromises

3.多項(xiàng)選擇題

You want to enhance the security within the LAN and prevent VLAN hopping.
 What two steps can be taken to help prevent this?()

A.Enable BPD guard
B.Disable CDP on ports where it is not necessary
C.Place unused ports in a common unrouted VLAN
D.Prevent automatic trunk configuration
E.Implement port security

4.單項(xiàng)選擇題

The network administrator has enabled BPDU guard on the LAN. 
Why is an effective way to prevent an unauthorized rogue switch from altering the spanning-tree topology of this network? ()

A.BPDU guard can be used to prevent invalid BPDUs from propagating throughout the network. 
B.BPDU guard can guarantee proper selection of the root bridge.
C.BPDU guard can be utilized to prevent the switch from transmitteing BPDUs and incorrectly altering the root bridge election.
D.BPDU guard can be utilized along with PortFast to shut down ports when a switch is connected to the port.
E.None of the other alternatives apply

5.單項(xiàng)選擇題

Refer to the exhibit. 

What is the sequence of events when a VoIP call is placed from IP phone P1 to IP phone P2? ()

A.RTP traffic is exchanged between IP phone P1 and IP phone P2. IP phone P1 alerts the CCM of off-hook state. CCM instructs IP phone P1 to provide dialtone. IP phone P1 passes digits to CCM. CCM routes call to PSTN or IP phone P2.
B.CCM instructs IP phone P1 to provide dialtone. IP phone P1 alerts the CCM of off-hook state. IP phone P1 passes digits to CCM. CCM routes call to PSTN or IP phone P2. RTP traffic is exchanged between IP phone P1 and IP phone P2. 
C.CCM instructs IP phone P1 to provide dialtone.IP phone P1 alerts the CCM of off-hook state. IP phone P1 passes digits to CCM. RTP traffic is exchanged between IP phone P1 and IP phone P2. CCM routes call to PSTN or IP phone P2.
D.IP phone P1 alerts the CCM of off-hook state. CCM instructs IP phone P1 to provide dialtone. IP phone P1 passes digits to CCM. CCM routes call to PSTN or IP phone P2. RTP traffic is exchanged between IP phone P1 and IP phone P2.

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