To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）..

第1题

[单选题] What is the fundamental purpose for imposing radio silence? （）

A、To ensure that interference to proprietary communications is minimized B、To ensure that only voice communications can be effected on the distress frequency or channel C、To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages D、To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized

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第2题

[单选题] To ensure quality, what is the maximum end-to-end transit time in milliseconds on a voice network?（）

A、50 B、100 C、150 D、200 E、250

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第3题

[多选题] When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end-to-end quality of service can be maintained? （）

A、rate limit voice traffic B、configure spanning-tree for fast link convergence C、isolate voice traffic on separate VLANs D、classify and mark traffic close to the source

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第4题

[单选题] 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?（）

A、Configure Access Control Lists to ensure Voice over IP traffic is checked by Auth Proxy. B、Configure pNAT to ensure Voice over IP packets are properly translated. C、Configure IOS firewall to permit RTP port numbers through the firewall via VPN. D、Configure Access Control Lists to allow Voice over IP traffic to bypass Auth Proxy checking.

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第5题

[单选题] Which two statements are true about the protocols that are used for transmitting voice traffic？（）

A、RTP multiplexing is used to keep multiple phone conversations separate B、RTP provides end-to-end delivery services for voice traffic C、UDP is used to ensure a reliable transmission from sender to receiver D、RTP is used to provide resource reservation for the voice stream E、UDP provides multiplexing

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第6题

[单选题] To ensure quality， what is the maximum end-to-end transit time in milliseconds on a voice network？（）

A、 50 B、 100 C、 150 D、 200 E、 250

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第7题

[多选题] Which two statements are true about the protocols that are used for transmitting voice traffic？（）

A、RTP multiplexing is used to keep multiple phone conversations separate B、RTP provides end-to-end delivery services for voice traffic. C、UDP is used to ensure a reliable transmission from sender to receiver. D、RTP is used to provide resource reservation for the voice stream. E、UDP provides multiplexing of multiple phone conversations.

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第8题

[] Your network consists of a single domain. All domain controllers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You need to ensure that users’ personal settings are the same when they log on to different client computers in the domain. What should you do? （） Your network consists of a single domain. All domain controllers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You need to ensure that users’ personal settings are the same when they log on to different client computers in the domain. What should you do? （）

A、A. From the properties of each user account, configure a profile path. B、B. From the properties of each user account, configure a home folder path. C、C. From the Default Domain Policy, configure a logon script that runs Loadstate.exe. D、D. From the Default Domain Policy, configure a logon script that runs Scanstate.exe.

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第9题

[] Your network consists of a single domain. All domain controllers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You need to ensure that users’ personal settings are the same when they log on to different client computers in the domain. What should you do? （） Your network consists of a single domain. All domain controllers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You need to ensure that users’ personal settings are the same when they log on to different client computers in the domain. What should you do? （）

A、A. From the properties of each user account, configure a profile path. B、B. From the properties of each user account, configure a home folder path. C、C. From the Default Domain Policy, configure a logon script that runs Loadstate.exe. D、D. From the Default Domain Policy, configure a logon script that runs Scanstate.exe.

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To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）

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