A. Layer 2
B. Layer 3
C. Layer 4
D. out-of-band
您可能感興趣的試卷
你可能感興趣的試題
A. prioritization
B. classification
C. fragmentation
D. traffic shaping
A. one-way latency of 150 ms to 200 ms
B. jitter of 30 ms or less
C. packet loss of 2 percent or less
D. 150bps of overhead bandwidth
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.
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
A. OSPF
B. RIP
C. FSPF
D. VSANs
最新試題
Which statement correctly describes a situation in which VRFs are used in the data center？（）
Which two statements about FCIP and iSCSI are correct？（）
Which signal and noise values will result in the best phone communication with an access point？（）
Which three mechanisms are used to secure management traffic from outside IPS sensors？（）
Which two of these correctly describe asymmetric routing and firewalls？ （）
What amount of cell overlap ensures smooth roaming for wireless endpoints？（）
In a VoWLAN deployment， what is the recommended separation between cells with the same channel？（）
What is the recommended radius of a cell for a voice-ready wireless network？（）
What are two characteristics of OER？ （）
Which two statements about Network Attached Storage are correct？（）