單項選擇題Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and()refers to call issues that cause variations in timing or time of arrival.

A.echo
B.jitter
C.packet loss
D.digitized sampling


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1.單項選擇題Which VPN management feature would be considered to ensure that the network had the least disruption of service when making topology changes?()

A. dynamic reconfiguration
B. path MTU discovery
C. auto setup
D. remote management

2.多項選擇題

Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?()

A. use a Layer 2 link between distribution switches
B. use a Layer 3 link between distribution switches
C. use a redundant link to the core
D. use a Layer 3 link between distribution switches with route summarization

4.單項選擇題Which one is not the feature of the Cisco Unified Wireless Network architecture?()

A. network unification
B. remote access
C. mobility services
D. network management

5.多項選擇題What two choices can you make when redundancy is required from a branch office to a regional office?()

A. multiple Frame Relay PVCs
B. dualWan links to the regional office
C. dualWan links to another branch office
D. single links - one to the regional office and one to another branch office

6.單項選擇題You are the Cisco Network Designer in Cisco.com. Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ring topology?()

A. DynamicTrunking Protocol
B. Resilient Packet Ring
C. Synchronous Digital Hierarchy
D. Coarse Wave Division Multiplexing

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You are the Cisco Network Designer. Which of these is least important when determining how many users a NAS can support?()

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In a VoWLAN deployment, what is the recommended separation between cells with the same channel?()

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Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?()

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

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Which technology allows centralized storage services to be shared across different VSANs?()

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In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?()

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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?()

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Please match the Cisco NAC appliance component to its description.()(1)Cisco NAS(2)Cisco NAA(3)Rule-set Lpdates(4)Cisco NAM(a) a centralized management point(b) an in-band cr out-of-band device for network access control(c) a Windows-based client which allows network access based on the tasks running(d) a status crecker for operating systems,antivirus,antispyware,etc.

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During consultation, you find that a customer has only a single asset closet and is looking for a solution that is easy to deploy. Which NAS physical deployment model would you suggest to this customer?()

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