A. 79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
B. 79xx IP phones do not mark protocol packets such as DHCP， DNS， or TFTP with non-zero DSCP values.
C. 79xx IP phones do not mark voice packets with optimal DSCP values.
D. 79xx IP phones use a custom protocol to communicate CDP information to the switch.
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A. provide service internetworking
B. support transparency for Layer 2 frames
C. indicate destination as a connection identifier
D. map to the DLCI in service internetworking
A. Neither broadcast nor multicast traffic is ever flooded in VPLS.
B. Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C. VPLS emulates an Ethernet switch， with each EMS being analogous to a VLAN.
D. Because U-PE devices act as IEEE 802.1 devices， the VPLS core must use STP.
E. When the provider experiences an outage， IP re-routing restores PW connectivity and MAC re-learning is needed.
A. bandwidth efficiency
B. cell-switching
C. congestion notification
D. heterogeneous network
A. OSPF
B. RIP
C. FSPF
D. VSANs
A. nGenius Real-Time Monitor
B. CiscoView
C. Device Fault Manager
D. Internetwork Performance Monitor
A. Layer 2 mode
B. Layer 2 Edge mode
C. Layer 3 mode
D. Layer 3 In-Band mode
A. single site with centralized call processing
B. single site with distributed call processing
C. multisite with centralized call processing
D. multisite with distributed call processing
A. QoS must be set to Platinum
B. WMM must be enabled
C. QoS must be set to Gold
D. TSPEC must be disabled
E. Cisco Compatible Extensions must be disabled
A. rate limit voice traffic
B. configure spanning-tree for fast link convergence
C. isolate voice traffic on separate VLANs
D. classify and mark traffic close to the source
A. 19dbm
B. 10dbm
C. 67dbm
D. 86dbm
最新試題
During consultation， you find that a customer has multiple asset closets and will be adding more inthe future. Which NAS physical deployment model would you suggest to this customer？（）
Which signal and noise values will result in the best phone communication with an access point？（）
Which two statements about Network Attached Storage are correct？（）
Which two of these correctly describe Fibre Channel？（）
Which two statements about FCIP and iSCSI are correct？（）
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）
Which two statements about zoning are correct？（）
At a certain customer’s site， a NAS is logically in the traffic path but not physically in the trafficpath. The NAS identifies clients by their IP addresses. In which access mode has this NAS beenconfigured to operate？（）
What are two characteristics of GSS？ （）
During consultation， you find that a customer has only a single asset closet and is looking for asolution that is easy to deploy. Which NAS physical deployment model would you suggest to this customer？（）