多项选择题
A. scale to a large size B. increase router peering C. provide a flexible topology with no spanning tree loops D. control broadcasts in the backbone
TosecurelytransportEIGRPtraffic，anetworkadministratorwi...
单项选择题To securely transport EIGRP traffic， a network administrator will build VPNs between sites. Whatis the best method to accomplish the transport of EIGRP traffic？（）
A. IPSec in tunnel mode B. IPSec in transport mode C. GRE with IPSec in transport mode D. GRE with IPSec in tunnel mode
It’saconfigurationthatexpertsarecallinga"firewallsandwi...
单项选择题It’s a configuration that experts are calling a "firewall sandwich，" with the second firewall providinga second level of load balancing after traffic down. What is meant by the term "firewall sandwich"？（）
A. single layer of firewalling B. multiple layers of firewalling C. firewall connections in either an active or standby state D. an architecture in which all traffic between firewalls goes through application-specific servers
LafeyetteProductionsislookingforanewISPthathasimproveda...
单项选择题Lafeyette Productions is looking for a new ISP that has improved availability， load balancing， andcatastrophe protection. Which type of ISP connectivity solution would be best？（）
A. single run B. multi-homed C. stub domain EBGP D. direct BGP peering
