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Choose the true statement regarding QoS pre-classify.（）

题目
单选题
Choose the true statement regarding QoS pre-classify.（）
A

QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.

B

QoS pre-classify is required when encrypting voice.

C

QoS pre-classify is an advantage to Service Providers transporting encrypted packets.

D

QoS pre-classify is not designed for IPSec/GRE configurations.

参考答案和解析
正确答案： D
解析： 暂无解析
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第1题：

Exhibit: Which of the following are true regarding the command output shown in the display (Choose two.)()。

A.There are at least two routers participating in the RIP process.

B.A ping to 192.168.168.2 will be successful.

C.A ping to 10.0.15.2 will be successful.

D.RtrA has three interfaces participating in the RIP process.


参考答案：A, C

第2题：

Which statement is true regarding Backup tasks in Cisco UCS？（）

  • A、 They are created automatically and stored on the FI
  • B、 They are created manually and exported to a remote server
  • C、 They are automatically scheduled to run every 24 hours
  • D、 They are manually scheduled and stored on the FI

正确答案:B

第3题：

Which statement is true regarding IPsec VPNs?()

A. There are five phases of IKE negotiation.

B. There are two phases of IKE negotiation.

C. IPsec VPN tunnels are not supported on SRX Series devices.

D. IPsec VPNs require a tunnel PIC in SRX Series devices.


参考答案：D

第4题：

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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  • C、Call admission control is an issue only when using hardware DSP resources. 
  • D、When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.

正确答案:D

第5题：

Choose the most accurate statement regarding the account qualification and planning service component in the prepare phase.（）

  • A、 providing a partner with information regarding customer acceptance of a new solution
  • B、 providing information regarding current network infrastructure readiness
  • C、 using stakeholder interviews to identify stakeholders and decision-makers high-level solutionrequirements timelines and the scope of an opportunity
  • D、 adjusting a solution to account for a customer’s physical site characteristics

正确答案:C

第6题：

Choose the true statement regarding QoS pre-classify.（）

  • A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.
  • B、QoS pre-classify is required when encrypting voice.
  • C、QoS pre-classify is an advantage to Service Providers transporting encrypted packets.
  • D、QoS pre-classify is not designed for IPSec/GRE configurations.

正确答案:A

第7题：

Which statement is true about the SDM QoS wizard and its ability to enable a QoS policy on router interfaces？（）

  • A、QoS can be enabled on interfaces used for Easy VPN clients
  • B、QoS can be enabled on IPsec VPN interfaces and tunnels
  • C、QoS can be enabled on interfaces with an existing QoS policy
  • D、the QoS policy can be enabled for incoming and outgoing traffic on the interface

正确答案:B

第8题：

Which two statements are true regarding L2TP? ()(Choose two.)

A. Tunnels are initiated by the LAC

B. Tunnels are initiated by the LNS

C. By default, subscriber authentication occurs on the LNS

D. By default, subscriber authentication occurs on the LAC


参考答案：A, C

第9题：

Which statement is true regarding the forwarding plane?（）

  • A、The forwarding plane is contained within the Routing Engine (RE)
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正确答案:C

第10题：

Which statement is true about The QoS Class Fibre Channel？（）

  • A、 Cannot be disabled
  • B、 Cannot have the CoS changed
  • C、 Can have "Packet Drop" enabled
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  • E、 Can have the MTU changed

正确答案:A

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