IT Exam Items Repository

Which data communications standard provides broadband access in a wireless network?
ITExamAnswers Editorial Team asked 4 years ago • 
What is a purpose of the physical layer in data communication?
ITExamAnswers Editorial Team asked 4 years ago • 
When is a rollover cable used in a network?
ITExamAnswers Editorial Team asked 4 years ago • 
Compared with UTP cable, what extra characteristic of STP cable helps reduce the effects of interference?
ITExamAnswers Editorial Team asked 4 years ago • 
What is considered a benefit of wireless as a media choice?
ITExamAnswers Editorial Team asked 4 years ago • 
Which of the following is a characteristic of single-mode fiber-optic cable?
ITExamAnswers Editorial Team asked 4 years ago • 
Which method of signal transmission uses radio waves to carry signals?
ITExamAnswers Editorial Team asked 4 years ago • 
In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?
ITExamAnswers Editorial Team asked 4 years ago • 
Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?
ITExamAnswers Editorial Team asked 4 years ago • 
What are three measures of data transfer? (Choose three.)
ITExamAnswers Editorial Team asked 4 years ago • 
What is a possible effect of improperly applying a connector to a network cable?
ITExamAnswers Editorial Team asked 4 years ago • 
XYZ Company is installing new cable runs on their data network. What two types of cable would most commonly be used for new runs? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device?
ITExamAnswers Editorial Team asked 4 years ago • 
Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?
ITExamAnswers Editorial Team asked 4 years ago • 
With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?
ITExamAnswers Editorial Team asked 7 years ago • ,
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