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. nGenius Real-Time Monitor
B. CiscoView
C. Device Fault Manager
D. Internetwork Performance Monitor
最新試題
Which two design recommendations are most appropriate when EIGRP is the data center corerouting protocol？ （）
Which three of the following descriptions are true about the firewall modes？ （）
Which statement correctly describes a situation in which VRFs are used in the data center？（）
In which two locations in an enterprise network can an IPS sensor be placed？ （）
One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer？（）
Which three mechanisms are used to secure management traffic from outside IPS sensors？（）
Which signal and noise values will result in the best phone communication with an access point？（）
Which path selection protocol is used by Fibre Channel fabrics？（）
Which two statements correctly describe a situation in which an Active/Standby Service Module design is being used？ （）
What are two characteristics of GSS？ （）