單項(xiàng)選擇題Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual (counter-rotating) ring topology?()

A. DTP
B. RPR
C. SDH
D. CWDM
E. DWDM


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2.單項(xiàng)選擇題Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links?()

A. use BGP as the CE-PE routing protocol
B. use OSPF as the CE-PE routing protocol
C. use EIGRP as the CE-PE routing protocol
D. use the SP to redistribute routes as external routes for OSPF and EIGRP
E. use route redistribution at each location to ensure external routes are imported into the IGP

3.單項(xiàng)選擇題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.

4.多項(xiàng)選擇題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

5.多項(xiàng)選擇題Which two of these are characteristics of Metro Ethernet?()

A. class of service
B. bandwidth profiles
C. user-network interface
D. Ethernet LAN circuit attributes
E. Ethernet virtual circuit attributes

6.多項(xiàng)選擇題Which two of these Metro Internet services map to E-LAN services that are defined by the MEF?()

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service

7.多項(xiàng)選擇題Which three of these Metro Ethernet services map to E-Line services that are defined by the MEF? ()

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service

8.單項(xiàng)選擇題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

9.單項(xiàng)選擇題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