CMS专题
单选题After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?（）A Crossover cable with open pairsB Crossover cableC Rollover cableD St
题目
Crossover cable with open pairs
Crossover cable
Rollover cable
Straight-thru cable with open pairs
参考答案和解析
相似问题和答案
第1题：
An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）
A. Straight-through cable is used to connect both switches
B. Loopback plug is connected
C. Crossover cable is used to connect both switches
D. Cable is a rollover cable
第2题：
Which of the following tools should Mike, a technician, use when testing a serial port?（）
- A、Cable tester
- B、Multimeter
- C、Loopback plug
- D、Logic probe
正确答案:C
第3题：
After making a long CAT5 cable, the technician fears that the cable may have been damagedduring the pull, but does not have a cable tester. Which of the following would be the BESTalternative tool to determine whether there are any breaks or shorts in the cable?（）
A. Multimeter
B. Voltmeter
C. Loopback plug
D. Toner probe
第4题：
After a technician installs a new CMOS battery on a motherboard, which of the following will thetechnician have to change? （）
- A、Firmware version
- B、System date/time
- C、Bus speeds
- D、Jumper settings
正确答案:B
第5题：
A technician purchases a new 120 GB IDE hard disk to use in an old server as a swap drive. After adding the drive to the server， the technician discovers that the operating system does not detect the drive. After rebooting the server， the technician notices the drive is missing from POST and comes to the conclusion that the BIOS needs to be updated. The technician downloads the latest version of the BIOS update from the manufacturer website. Which action should the technician take next？（）
- A、 backup the BIOS configuration to use later
- B、 install the BIOS update from a command prompt
- C、 create a bootable floppy and copy the BIOS update tools to the floppy
- D、 read the manufacturer’s guidelines and recommendations on installing the update
正确答案:D
第6题：
A user is trying to connect their new desktop to the network but is unable to get an IP address. The technician tests the cable and finds that there are too many open pairs. Which of the following wiring standards needs to be used in the replacement cable?（）
- A、568B
- B、Crossover
- C、569-A
- D、607-A
正确答案:A
第7题：
The network technician is troubleshooting a network issue by implementing a new security device.After installing and configuring the device, which of the following steps should the technician takeNEXT?（）
- A、Verity full system functionality
- B、Identify the main problem and question the user
- C、Document their findings, actions, and outcomes
- D、Escalate the issue to upper management
正确答案:A
第8题：
A user is trying to connect their new desktop to the network but is unable to get an IP address.The technician tests the cable and finds that there are too many open pairs.Which of the following wiring standards needs to be used in the replacement cable?（）
A. 568B
B.Crossover
C. 569-A
D. 607-A
第9题：
After a technician came out and installed a new wireless router, one of the wired workstations began having problems connecting to the file server. This is only an intermittent problem. Which of the following actions will the technician MOST likely perform to resolve this problem?（）
- A、Change the router's SSID
- B、Move the router's location
- C、Check user permissions
- D、Check the cable ends
正确答案:D
第10题：
A technician replaced a floppy drive and now the front indicator light is consistently illuminated.Which of the following is the cause for this?（）
- A、It is a feature of new floppy drives.
- B、The data cable was put on backwards.
- C、A disk is being read by the floppy drive.
- D、The new floppy drive is defective.
正确答案:B