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You are troubleshooting a one-way call problem with a Cisco 

题目
单选题
You are troubleshooting a one-way call problem with a Cisco 7920 wireless IP phone on a standaloneWLAN. What may have caused this problem？（）
A

The minimum data rate is not set to 11 Mbps.

B

An address resolution protocol has been disabled.

C

Publicly Secure Packet forwarding is enabled.

D

The access point is set to the least congested channel.

参考答案和解析
正确答案： B
解析： 暂无解析
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相似问题和答案

第1题：

While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate（）。

  • A、The port is experiencing errors
  • B、The port is administratively disabled
  • C、The port is blocked by spanning tree
  • D、The port has an active link with normal traffic activity

正确答案:A

第2题：

At which stage of the Cisco Lifecycle Services approach would you recommend supporting and troubleshooting the system？  （）

  • A、 Preparation
  • B、 Planning
  • C、 Design
  • D、 Implementation
  • E、 Operation
  • F、 Optimization

正确答案:E

第3题：

While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."

At which OSI layer is this problem associated with?

A．The data link layer

B．The application layer

C．The access layer

D．The session layer

E．The network layer


正确答案：E
解析：Explanation:
TCP/IP includes ICMP, a protocol designed to help manage and control the operation of a TCP/IP network. The ICMP protocol provides a wide variety of information about a network's health and operational status. Control message is the most descriptive part of a name. ICMP helps control and manage IP's work and therefore is considered part of TCP/IP's network layer.

第4题：

You are troubleshooting a problem with a cisco 7920 wireless ip phone on a standalone wlan. the phone rings but， when you Answer ，the call is dropped. What may have caused this problem？（）

  • A、publicly secure packet forwarding is enabled.
  • B、the minimum data rate is not set to 11 mbps.
  • C、an address resolution protocol is enabled.
  • D、the access point is set to the least congested channel.

正确答案:A

第5题：

You are troubleshooting a one-way call problem with a cisco 7920 wireless ip phone on a standalone wlan. What may have caused this problem？（）

  • A、the minimum data rate is not set to 11 mbps.
  • B、publicly secure packet forwarding is enabled.
  • C、the access point is set to the least congested channel.
  • D、an address resolution protocol has been disabled.

正确答案:D

第6题：

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

  • A、Router#copy tftp flash
  • B、Router(config)#restore flash
  • C、Router(config)#repair flash
  • D、Router#copy flash run
  • E、Router>copy start flash
  • F、Router#copy start flash

正确答案:A

第7题：

In CRS Administration, when you add a JTAPI Call Control Group, what is created on the Cisco CallManager?（）

  • A、CallManager Call Control Group  
  • B、CRS CTI Route Point  
  • C、CRS JTAPI User  
  • D、CTI ports  
  • E、CRS Call Control Group  
  • F、CTI Route Points and directory numbers 

正确答案:D

第8题：

You are troubleshooting a one-way call problem with a cisco 7920 wireless ip phone on a standalone wlan. What may cause this problem？（）

  • A、the minimum data rate is not set to 11 mbps.
  • B、an address resolution protocol has been disabled
  • C、publicly secure packet forwarding is enabled
  • D、the access point is set to the least congested channel.

正确答案:B

第9题：

You are troubleshooting a problem with a Cisco 7920 wireless IP phone on a standalone WLAN.The phone rings but， when you answer， the call is dropped. What may cause this problem？（）

  • A、The minimum data rate is not set to 11 Mbps.
  • B、An address resolution protocol is enabled.
  • C、Publicly Secure Packet forwarding is enabled.
  • D、The access point is set to the least congested channel.

正确答案:C

第10题：

While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?（）

  • A、The data link layer
  • B、The application layer
  • C、The access layer
  • D、The session layer
  • E、The network layer

正确答案:E

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