When a router has to make a rate transition from LAN to WAN， what type of congestion needs should be considered in the network design？（）

多项选择题Which two practices will avoid Cisco Express Forwarding polarization？（）

A. The core layer should use default Layer 3 hash information.
B. The core layer should use default Layer 4 hash information.
C. The distribution layer should use default Layer 3 hash information.
D. The distribution layer should use default Layer 4 hash information.
E. The core layer should use Layer 3 and Layer 4 information as input to the Cisco Expressing Forwarding hashing algorithm.
F. The distribution layer should use Layer 3 and Layer 4 information as input into the Cisco Expressing Forwarding hashing algorithm.

单项选择题WhatwillanEasyVPNhardwareclientrequireinordertoinsertitsprotectednetworkaddress whenitconnectsusingnetworkextensionmode？（）

A. RADIUS or LDAP
B. an internal router running EIGRP
C. Reverse Route Injection and OSPF or RIPv2
D. the VPN appliance to be deployed in line with the firewall

多项选择题WhichtwooftheseareadvantagesofplacingtheVPNdeviceparalleltothefirewall？（）

A. high scalability
B. the design supports a layered security model
C. firewall addressing does not need to change
D. IPsec decrypted traffic is inspected by the firewall
E. there is a centralized point for logging and content inspection

多项选择题UnderwhichtwocircumstancesshouldSpanningTreeProtocolbeimplemented？（）

A. to ensure a loop-free topology
B. to protect against user-side loops
C. when a VLAN spans access layer switches
D. for the most deterministic and highly available network topology
E. because of the risk of lost connectivity without Spanning Tree Protocol

多项选择题WhichtwooftheseareadvantagesofplacingtheVPNdeviceintheDMZonthefirewall？（）

A. fewer devices to manage
B. moderate-to-high scalability
C. stateful inspection of decrypted VPN traffic
D. increased bandwidth with additional interfaces
E. decreased complexity as traffic is filtered from the firewall