You need to configure a new Company Catalyst 3560 switch for a VOIP-enabled office.
Which three statements are true about the voice VLAN feature on this switch？（）
A.The default CoS value for incoming traffic is set up to 0.
B.The CoS value is trusted for 802.1p or 802.1q tagged traffic.
C.PortFast is automatically disabled when a voice VLAN is configured.
D.The voice VLAN feature is disabled by default.
E.The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.
F.When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port
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Refer to the exhibit. Which statement is true about a voice VLAN？（）
A.Physically the voice network and the data network are separate.
B.The voice traffic will normally be on a different IP subnet than will the data traffic.
C.End user intervention is necessary to place the phone into the proper VLAN.
D.The same security policy should be implemented for both voice and data traffic.
E.The data VLAN must be configured as the native VLAN.
A.TCP retransmits
B.UDP priority
C.Bursty
D.Delay sensitive
E.Greedy
F.Drop sensitive
Refer to the exhibit.
What are three of the basic components of a VoIP network？（）
A.software voice applications
B.multipoint control unit （MCU）
C.gatekeeper
D.call agent
E.interactive voice response （IVR） systems
F.softphones
A.The use of a queuing method that will give VoIP traffic strict priority over other traffic
B.The use of RTP header compression for the VoIP traffic.
C.The proper classification and marking of the traffic as close to the source as possible
D.The use of 802.1QinQ trunking for VoIP traffic
E.The use of WRED for the VoIP traffic
You need to troubleshoot some problems in the Company VOIP network associated with jitter.
What is the cause of jitter？ （）
A. Packet drops
B. Transmitting too many small packets
C. Variable queue delays
D. Compression
E. None of the other alternatives apply
The Lightweight Access Point Protocol （LWAPP） is in use within the Company wireless network.
Which two statements correctly describe features of this protocol？ （）
A. Control traffic between an access point and a controller is encrypted within LWAPP.
B. Data traffic between an access point and a controller is encrypted within LWAPP.
C. Layer 3 mode packets are transmitted in TCP frames.
D. Data traffic between an access point and a controller is encapsulated within LWAPP.
E. VLAN tagging and QoS markings are applied at the access point.
Which statement about the Lightweight Access Point Protocol （LWAPP） is true？ （）
A. LWAPP encrypts both control traffic and user data.
B. LWAPP encrypts user traffic with an x.509 certificate using AES-CCMP.
C. When set to Layer 3， LWAPP uses a proprietary protocol to communicate with the Cisco Aironet APs.
D. LWAPP encrypts control traffic between the AP and the controller.
E. None of the other alternatives apply.
Which set of statements describes the correct order and process of a Company wireless user client associating with a wireless access point in the Company network？ （）
A. 1. Access point sends probe request .2. Client sends probe response.3. Client initiates association.4. Access point accepts association.5. Client adds access point MAC address to association table.
B. 1. Client sends probe request.2. Access point sends probe response.3. Client initiates association.4. Access point accepts association.5. Access point adds client MAC address to association table.
C. 1. Client sends probe request.2. Access point sends probe response.3. Access point initiates association.4. Client accepts association.5. Access point adds client MAC address to association table.
D. 1. Access point sends probe request .2. Client sends probe response.3. Client initiates association.4. Access point accepts association.5. Access point adds client MAC address to association table.
E. 1. Client sends probe request.2. Access point sends probe response.3. Client initiates association.4. Access point accepts association.5. Client adds access point MAC address to association table.
F. None of the other alternatives apply.
Which statement is true about the data traffic between the access point named TKAP1 and controller TKC1？（）
A. The data traffic between the access point and controller is not encrypted.
B. The data traffic is encapsulated with LWAPP.
C. The data traffic is switched at the access point before being sent to the WLAN controller where VLAN tagging and QoS are applied.
D. The data traffic is encrypted with AES.
E. All of the above
Access Point R1 is an Aironet 1200 that has been converted from autonomous mode to LWAPP mode. After this conversion， which two statements are true？ （）
A. LWAPP-enabled access points can still communicate with Wireless Domain Services （WDS） devices.
B. An LWAPP-enabled access point console port provides read-only access to the unit.
C. LWAPP-enabled access points support Layer 2 LWAPP.
D. LWAPP-enabled access points must get an IP address and discover the controller using DHCP， DNS， or an IP subnet broadcast.
E. An LWAPP-enabled access point console port provides read-write access to the unit.
最新試題
What two things will occur when an edge port receives a BPDU？（）
During routine maintenance， it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time， DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group. What can be done to make the group function properly ？ （）
Examine the diagram. A network administrator has recently installed the above switched network using 3550s and would like to control the selection of the root bridge.Which switch should theadministrator configure as the root bridge and which configuration command must theadministrator enter to accomplish this？（）
Refer to the exhibit. Initially， LinkA is connected and forwarding traffic. A new LinkB is then attached between SwitchA and HubA. Which two statements are true about the possible result of attaching the second link？（）
Which two statements about the various implementations of STP are true？（）
Which three statements about STP timers are true？（）
Which statement is correct about the use of the virtual interface on a WLC ？（）
Refer to the exhibit. Switch 15 is configured as the root switch for VLAN 10 but not for VLAN 20. If the STP configuration is correct， what will be true about Switch 15？（）
Refer to the exhibit. What does the command channel-group 1 mode desirable do？ （）
Which two statements are true when the extended system ID feature is enabled？ （）