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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: Network Fundamentals
Why do hosts on an Ethernet segment that experience a collision use a random delay before attempting to transmit a frame?
ITExamAnswers Editorial Team asked 4 years ago • 
What does the IEEE 802.2 standard represent in Ethernet technologies?
ITExamAnswers Editorial Team asked 4 years ago • 
What are three functions of the upper data link sublayer in the OSI model? (Choose three.)
ITExamAnswers Editorial Team asked 4 years ago • 
What three primary functions does data link layer encapsulation provide? (Choose three.)
ITExamAnswers Editorial Team asked 6 years ago • 
Which of the following describe interframe spacing? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
Ethernet operates at which layers of the OSI model? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
Refer to the exhibit. Host_A is attempting to contact Server_B. Which statements correctly describe the addressing Host_A will generate in the process? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
Which type of cable run is most often associated with fiber-optic cable?
ITExamAnswers Editorial Team asked 4 years ago • 
Which connector is used with twisted-pair cabling in an Ethernet LAN?
ITExamAnswers Editorial Team asked 6 years ago • 
Which OSI layer is responsible for managing optical signals used for data communication?
ITExamAnswers Editorial Team asked 4 years ago • 
A customer installs a wireless access point at home in the closet next to the kitchen. The customer mentions that the wireless communication performance seems degraded when the cordless phone or the microwave oven is in use. What is the possible reason for this degradation?
ITExamAnswers Editorial Team asked 5 years ago • ,
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 • 
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