单项选择题
Refer to the exhibit. Which statement is true regarding the topology?（）
A.An IPSec tunnel cannot be established between Router A and Router B
B.The Linksys Firewall router does not support PPPoE
C.Destination addresses defined in RFC 1918 are not supported within an IPSec tunnel
D.The phone and PC behind Router A will not be able to connect to a host on 192.168.1.0/24
相关考题
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单项选择题
Refer to the exhibit. Easy VPN operates in two modes. The exhibit represents network extension mode. Choose the best reason for using this mode.（）
A.Teleworker devices must be accessed from the central site (server, printers).
B.IP addressing is simplified.
C.The Teleworker LAN is a transit networking for routing.
D.The Teleworker router is an MPLS PE node. -
多项选择题
WhataredisadvantagesofNetworkAddressTranslationTransparency?（）
A.There is no disadvantage.
B.It will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).
C.It will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).
D.It will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled. -
单项选择题
WhichisnotareasonthatInternetServiceProvidersprefertousePPPoverEthernet(PPoE)?（）
A.access control and billing can be done on a per-user, rather than a per-site basis
B.supports Link Fragmentation and Interleaving
C.provides the ability to connect a network of hosts over a simple bridging access device
D.provides a consistent means of authenticating users (RADIUS for example)
