A.the DiffServ model requires applications to signal the network with QoS requirements
B.the DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses
C.the DiffServ model requires RSVP
D.the best effort model is suitable for applications such as file transfer and e-mail
E.the IntServ model requires applications to signal the network with QoS requirements
F.the IntServ model model attempts to deliver a level of service based on the QoS specified by each packet
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A.centralized management for autonomous access points
B.centralized management for lightweight access points
C.centralized management that requires an external AAA server
D.centralized management with integrated AAA server
E.integration with the Location Appliance to expand real time tracking to 1500 devices for 30 days
F.integration with the Location Appliance to expand real time tracking to 2500 devices for 30 days
A.all Wi-Fi devices on the WLAN send directly received signal strength indication （RSSI） information to the Cisco Wireless Location Appliance through SNMP
B.an AP collects RSSI information which is forwarded to wireless controllers through LWAPP. Wireless controllers forward aggregated RSSI to the location appliance through SNMP
C.the APs collect received signal strength indication （RSSI） information from all Wi-Fi devices and forward the information to the Cisco Wireless Location Appliance through the LWAPP
D.the Cisco WLAN controllers bypass the received signal strength indication （RSSI） information from all Wi-Fi devices to the Cisco Wireless Location Appliance through the LWAPP
A.AutoQoS can be configured from a different subinterface if the DLCI is already assigned to one subinterface
B.Multilink PPP (MLP) over Frame Relay must be manually configured on low speed DLCIs
C.for low-speed Frame Relay DLCIs with Frame Relay-to ATM interworking, the AutoQoS cannot be configured if a virtual template is already configured for the DLCI
D.AutoQoS can be configured on a Frame Relay DLCI only if a map class is attached to the DLCI
Refer to the exhibit. What type of interface will connect the voice gateway router R1 to the analog phone and the fax machine?（）
A.the analog phone will be connected to the FXS port， and the fax machine will be connected to the FXO port on router R1
B.the analog phone will be connected to the FXO port， and the fax machine will be connected to the FXS port on router R1
C.both devices will be connected to the FXS port on router R1
D.both devices will be connected to the FXO port on router R1
E.both devices will be connected to the E and M ports on router R1
A.voice gateways with analog interfaces need a gatekeeper to convert analog signals into digital format before voice is encapsulated into IP packets
B.voice gateways need a gatekeeper to interconnect the VoIP networks the PSTN network
C.voice gateways with Cisco Unified CallManager Express （CME） can permanently act as a call agent for IP phones
D.voice gateways equipped with a DSP module can take the role of the call agent during WAN failure.
最新試題
What is an advantage of the IntServ QoS model？（）
Which three user interfaces exist for the Cisco WLAN Controllers？（）
Which three practices are important to the implementation of a DiffServ QoS architecture？（）
Which three functions are associated with a Cisco Unified CallManager？ （）
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）
SDM creates a low latency queuing （LLQ） service policy with its associated classes. What are the two types of low latency queuing available using the SDM QoS wizard？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
What are the three models of quality of service （QoS） in a network？（）
In the design of a QoS solution， which two factors should be taken into consideration？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）