CompTIA认证考试
An administrator finds a phone line but does not know where the line goes or if it is active. Whichof the following can be used to test if it is active?（）A、Butt setB、Punch down toolC、Cable testeD、Cable stripper
题目
An administrator finds a phone line but does not know where the line goes or if it is active. Whichof the following can be used to test if it is active?（）
- A、Butt set
- B、Punch down tool
- C、Cable teste
- D、Cable stripper
参考答案和解析
相似问题和答案
第1题：
A user reports that they are getting an error when trying to save a video file to a share on a server running Windows Server 2003. The administrator looks at the file and finds that it is 5GB. The administrator checks the server and finds that the server has 100GB of free space. This file needs to be saved on the server.Which of the following should the administrator do to accomplish this?（）
A. Convert the filesystem to EXT3.
B. Convert the filesystem to VMFS.
C. Convert the filesystem to NTFS.
D. Convert the filesystem to FAT32.
第2题：
An administrator receives reports from users in an office that their 802.11g wireless connectivityhas been problematic since the installation of the new wireless phone system.At which of the following frequencies are both systems operating at to cause this issue?（）
A.2.4GHz
B.900MHz
C.1.1GHz
D.5GHz
第3题：
A、Phone-to-Phone
B、Phone-to-PC
C、Phone-to-Internet
D、PC-to-Internet
第4题：
An administrator is troubleshooting wireless connectivity issues at a client’s office and discoversthat the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue?（）
- A、802.1 1g
- B、802.1X
- C、802.11n
- D、802.11b
正确答案:C
第5题：
B.with
C.among
D.over
第6题：
A. Butt set
B. Punch down tool
C. Cable teste
D. Cable stripper
第7题：
As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）
A. using DHCP snooping
B. snooping the incoming 802.1Q VLAN tag
C. using CDP
D. snooping the CoS marking on the incoming frames
第8题：
VoIP的3种实现形式为【 】PC－to Phone和Phone－to－Phone。
PC－to－PC 解析：VoIP的实现方法：PC－to－PC、PC－to－Phone、Phone－to－Phone。
第9题：
The Company network administrator has entered the "auto qos voip cisco-phone" command on switch R1. What does this command do？（）
- A、It disables the trust boundary feature because the switch knows a Cisco IP phone is attached.
- B、The switch assigns a CoS value of 5 to incoming packets.
- C、If a Cisco IP phone is attached and removed， the switch continues to trust the CoS values as long as the switch is not rebooted.
- D、It turns on STP to see if a Cisco IP phone is attached.
- E、If a Cisco IP phone is attached， the switch trusts the CoS.
- F、None of the other alternatives apply.
正确答案:E
第10题：
As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）
- A、using DHCP snooping
- B、snooping the incoming 802.1Q VLAN tag
- C、using CDP
- D、snooping the CoS marking on the incoming frames
正确答案:C