單項(xiàng)選擇題Which is not a reason that Internet Service Providers prefer to use PPP over Ethernet (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)


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1.多項(xiàng)選擇題When is it appropriate to enable Link Fragmentation and Interleaving (LFI) on DSL connections for Teleworkers?()

A.uplink speed less than 768kbps
B.supporting Voice-over-IP
C.using PPPoE encapsulation
D.using PPPoA encapsulation
E.uplink speed greater than 768kbps

2.單項(xiàng)選擇題A customer indicates they run a mission-critical application which marks its packets best-effort (DSCP=0). How can you guarantee delivery of this traffic?()

A.Remark the traffic on ingress and prioritize on egress.
B.Enable CEF and Netflow. 
C.Configure the MS-Windows QoS Scheduler to prioritize this traffic.
D.Enable WRED.

3.單項(xiàng)選擇題

Refer to the exhibit. With an IPSec tunnel established between remote Router A and head-end router B, with Compressed Real-Time Protocol (cRTP) configured on the serial interface of Router A, what impact will the cRTP configuration have on the Voice over IP packets flowing through the IPSec tunnel from a Cisco 7960 IP phone?()

A.Twenty bytes of header will be replaced with five bytes. 
B.If the IPSec transform set includes Authentication Header, the receiving IPSec peer will discard the packets. 
C.The IPSec packets will be dropped by Router A's compression logic.
D.The voice packets will not be compressed.

4.多項(xiàng)選擇題What are the DSL-specific factors that require additional bandwidth when supporting Voice-over-IP over an IPSec VPN?()

A.A voice packet is sent via multiple fixed-length cells; a portion of the last cell is padding, requiring more bandwidth.
B.ADSL typically uses PPPoE encapsulation, which adds additional overhead to each voice packet.
C.A voice packet is sent via multiple fixed-length cells; each cell has about 10% Layer-2 header overhead. 
D.IPSec requires additional overhead for the header and hash. 
E.ADSL carrier band requires additional bits to be carried over the wire to the DSL Access Concentrator.

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A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?()

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A customer wants to TFTP a new image from the corporate network to Flash on the Teleworker router through the IPSec tunnel. How should you configure the Teleworker router?()

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Refer to the exhibit. Given this deployment model, what capability must the Broadband Router provide for the Enterprise applications to function properly?()

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Refer to the exhibit. With an IPSec tunnel established between remote Router A and head-end router B, how can the Service Provider Edge Router identify Voice over IP packets flowing through the IPSec tunnel from a Cisco 7960 IP phone?()

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When IP Telephony is deployed for Teleworkers using the Cisco Business Ready Teleworker solution, which statements are true?()

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Refer to the exhibit. Given the topology shown, what are two ways to allow the VPN to operate?()

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Refer to the exhibit. Easy VPN operates in two modes. The exhibit represents network extension mode. Choose the best reason for using this mode.()

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Choose the false statement concerning the use of CiscoWorks Internetwork Performance Monitor (IPM) in a Teleworker deployment.()

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