Which of the following frequency bands are commonly used for digital microwave transmission?A . 2GHzB . 18GHzC . 15GHzD . 11GHzE . 7GHzView AnswerAnswer: C, D
Which of the following is correct when dealing with a snake on the site?A . Drive the snake awayB . Kill the snakeC . Inform related wildlife protection organizations for further actions.View AnswerAnswer: C
A 0.6 m antenna is heavier than a 0.3 m antenna.A . TrueB . FalseView AnswerAnswer: A
An El cable has a resistance of 75 ohm or 120 ohm. 75-ohm El cable are the same type with the RJ-45 LAN cable.A . TrueB . FalseView AnswerAnswer: A
Which of the following are requirements of operations in dangerous areas?A . Formulate emergency measures and first aid measures for working in dangerous areas.B . Place an warning sign and Isolation barrier.C . Take...
Which of the following are functions of a tool pouch used when dimbing up a tower?A . Carry foodB . Free up handsC . Carry more thingsD . Prevent tools from fallingView AnswerAnswer: A,...
Which of the following is correct in the vehicle speed?A . Never over speed. Adjust driving speed based on the vehicle, road, and other conditions.B . You can over speed when driving luxury cars...
Which of the following environmental conditions must be considered before working at heights?A . NoiseB . CleanlinessC . 5SD . Wind speed, temperature, and lightView AnswerAnswer: B
In general, optical fiber transmission delivers lower capacity than microwave transmission.A . TrueB . FalseView AnswerAnswer: B
ODUs at sites on the same hop link should be from the same model and same frequency.A . TrueB . FalseView AnswerAnswer: B
