單項選擇題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.

7.單項選擇題

Refer to the exhibit. Available public Internet sites are sometimes used for estimating performance. Which statement regarding their use for estimating VPN performance is correct?()

A.Throughput results are valid as a value from the Teleworker's home to the corporate site, regardless of the location of the public test server. 
B.Throughput results may not be valid due to the public server's location on the Internet and fluctuations based on the use of the public server. 
C.Throughput values are not affected by the choice of split tunneling or Internet access through the VPN. 
D.Throughput results are unrelated to the Teleworker PC configuration or current PC use.

8.單項選擇題What is the minimum recommended uplink/downlink speed to support a single encrypted IP voice Teleworker call?()

A.256kbps / 1024kbps
B.256kbps / 1544kbps
C.160kbps / 768kbps
D.384kbps / 384kbps
E.128kbps / 512kbps

9.單項選擇題For best packet switching performance with crypto, what is the recommend packet switching path in a Cisco Teleworker Router?()

A.Process Switching
B.Silicon Switching 
C.Cisco Express Forwarding (CEF) Switching
D.Autonomous Switching

10.單項選擇題When implementing 802.1X on Teleworker routers and using separate DHCP address pools for Teleworker and Home-user devices, traffic between devices can be restricted. How can you best accomplish this?()

A.Access Lists between the inside interface and loopback interface
B.Context Based Access Control
C.Dynamic Host Configuration Protocol
D.Network Address translation

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Refer to the exhibit. Which statement is true regarding the topology?()

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

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When is an IPSec SA built on the Teleworker Router?()

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Refer to the exhibit. Which of the following IOS DHCP configuration statements is required so that a Cisco skinny-based IP phone can connect with CallManager?()

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What are disadvantages of Network Address Translation Transparency?()

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In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.()

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An Enterprise decides to implement Authentication Proxy for per-user authentication for home offices. Each home office also supports an IP Phone. What should you do?()

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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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