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Q91. What are the three modes of unicast reverse path forwarding? (Choose three.)
Q92. What two features are advantages of adding a secondary WAN link at the enterprise edge? (Choose two.)
A. provides additional bandwidth and load balancing capabilities
B. acts as a backup link in event the primary link fails
C. reduces capital and operational costs
D. improves security and prevents against denial of service attacks
E. distributes traffic proactively based on link utilization
Q93. What three considerations should be taken into account when selecting a routing protocol? (Choose three.)
A. classful routing
C. default route origination
D. multi vendor support
E. link load balancing
F. hop count
Q94. What is the acceptable amount of one-way network delay for voice and video applications?
A. 300 bytes
B. 1 sec C. 150 ms
D. 500 ms
Delay Components in VoIP Networks The ITU's G.I 14 recommendation specifics that the one-way delay between endpoints should not exceed 150 ms to be acceptable, commercial voice quality. In private networks, somewhat longer delays might be acceptable for economic reasons. The ITU G.114 recommendation specifics that 151-ms to 400-ms one-way delay might be acceptable provided that organizations are aware that the transmission time will affect the quality of user applications. One-way delays of above 400 ms are unacceptable for general network planning purposes.
Q95. Which network virtualization technology involves creating virtual routers with its own individual routing tables on a physical router?
Q96. Which three protocols support VLSM? (Choose three.)
Q97. DRAG DROP
Q98. Which protocol is used for voice bearer traffic?
VoIP Control and Transport Protocols
A number of different protocols are used in a VoIP environment for call control, device provisioning, and addressing.
Figure 14-15 shows those protocols focused on VoIP control and transport.
Q99. DRAG DROP
Q100. What submodule is found within the Enterprise Edge module?
A. enterprise WAN
B. remote branch
C. campus IPS
D. building distribution