A. RSVP itself provides bandwidth and delay guarantees.
B. For RSVP to be end-to-end， all devices must support RSVP.
C. RSVP reservations are maintained by a centralized reservations server.
D. An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.
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A. supports multiple protocols
B. works only in a shared or loop environment
C. allows addressing for up to 4 million nodes
D. provides a high speed transport for SCSI payloads
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.
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
最新試題
Which two statements about Cisco Security Management Suite are correct？ （）
Which two design recommendations are most appropriate when EIGRP is the data center corerouting protocol？ （）
What are two characteristics of GSS？ （）
Which two statements about an interface configured with the asr-group command are correct？ （）
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？（）
What is the traditional mode for a firewall？（）
Which statement about Fibre Channel communications is correct？（）
Which two statements correctly describe a situation in which an Active/Standby Service Module design is being used？ （）
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）
Which three mechanisms are used to secure management traffic from outside IPS sensors？（）