An organization hires a contractor who only needs access to email and a group calendar. They do not need administrator access to the computer. Which VPN model is the most appropriate?（）

单项选择题In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?（）

A. Layer 2
B. Layer 3
C. in-band
D. out-of-band
E. edge
F. central

单项选择题Which of these is a benefit of using Network Admission Control instead of Cisco Identity Based Networking Services?（）

A. NAC can authenticate using 802.1X and IBNS cannot
B. NAC can ensure only compliant machines connect and IBNS cannot
C. NAC can ensure access to the correct network resources and IBNS cannot
D. NAC can manage user mobility and reduce overhead costs and IBNS cannot

多项选择题Which three of these are important when determining NAS Server scaling? （）

A. interface bandwidth
B. rescan timer interval
C. total number of network devices
D. number of new user authentications per second
E. which operating system is loaded on the client
F. number of checks performed in a posture assessment.

单项选择题Which of these is true of a Layer 3 out-of-band NAS deployment?（）

A. The NAS acts as a gateway for all Layer 3 traffic.
B. Only the MAC address is used to identify the client device.
C. User traffic remains on the same VLAN for the duration of the connection.
D. After authentication and posture assessment, client traffic no longer passes through the NAS.

单项选择题One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）

A.Virtual Gateway
B.Real-IP Gateway
C.NAT Gateway
D.IP-IP Gateway