单项选择题
The LAN-side of the Teleworker router is assigned private IP address space (RFC1918), and the VPN topology is IPSec-only (no GRE protocol). When is it required to configure NAT/pNAT on the Teleworker router?()
A.when all access to the Internet is through the IPSec tunnel
B.when there is direct Internet access via split-tunneling
C.when there is no Internet access configured through the Teleworker router
D.whenever you have IOS-Firewall (CBAC) configured
相关考题
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单项选择题
ChoosethetruestatementregardingQoSpre-classify.()
A.QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.
B.QoS pre-classify is required when encrypting voice.
C.QoS pre-classify is an advantage to Service Providers transporting encrypted packets.
D.QoS pre-classify is not designed for IPSec/GRE configurations. -
单项选择题
WhenshouldyouenableNetworkAddressTranslationTransparency(NAT-T)ontheTeleworker?()
A.when a router between the Teleworker router and the head-end VPN router is doing NAT/pNAT and does not support IPSec pass-through
B.when the Teleworker router itself is doing NAT/pNAT
C.always
D.never -
多项选择题
Refer to the exhibit. A customer indicates their teleworkers plan to use IP phones in their home offices. The IT department has surveyed the planned teleworkers, resulting in the user groupings shown in the exhibit. To provide the highest voice quality, the best recommendations to this customer are().
A.Deploy all three groups with a QoS service policy, choosing the parameters for Traffic Shaping based on the average uplink speed across the three groups.
B.Teleworkers in Groups A and B should inquire with their DSL providers for subscriptions with higher uplink bandwidths.
C.Teleworkers in Group C should change their subscriptions to DSL for deployment consistency.
D.Teleworkers in Group A should upgrade their subscription to obtain static IP addresses
E.Teleworkers in Group A should inquire with their DSL providers for subscriptions with higher downlink bandwidths.
