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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: Network Fundamentals
What is the primary purpose of the trailer in a data link layer frame?
ITExamAnswers Editorial Team asked 4 years ago • 
Which three factors should be considered when implementing a Layer 2 protocol in a network? (Choose three.)
ITExamAnswers Editorial Team asked 4 years ago • 
What two facts are true when a device is moved from one network or subnet to another? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
What is a characteristic of a logical point-to-point topology?
ITExamAnswers Editorial Team asked 4 years ago • 
What is true regarding media access control? (Choose three.)
ITExamAnswers Editorial Team asked 4 years ago • 
Which sublayer of the data link layer prepares a signal to be transmitted at the physical layer?
ITExamAnswers Editorial Team asked 4 years ago • 
Which statements describe the logical token-passing topology? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
What statements are true regarding addresses found at each layer of the OSI model? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
What is the purpose of the preamble in an Ethernet frame?
ITExamAnswers Editorial Team asked 6 years ago • 
What determines the method of media access control? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
Refer to the exhibit. A frame is being sent from the PC to the laptop. Which source MAC and IP addresses will be included in the frame as it leaves RouterB? (Choose two.)
ITExamAnswers Editorial Team asked 4 years ago • 
What are three characteristics of valid Ethernet Layer 2 addresses? (Choose three.)
ITExamAnswers Editorial Team asked 4 years ago • 
Refer to the exhibit. Assuming that the network in the exhibit is converged meaning the routing tables and ARP tables are complete, which MAC address will Host A place in the destination address field of Ethernet frames destined for http://www.server?
ITExamAnswers Editorial Team asked 4 years ago • 
Refer to the exhibit. How many unique CRC calculations will take place as traffic routes from the PC to the laptop?
ITExamAnswers Editorial Team asked 4 years ago • 
What is a primary purpose of encapsulating packets into frames?
ITExamAnswers Editorial Team asked 4 years ago • 
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ITExam Editorial Team

The ITExamAnswers Editorial Team is a dedicated group of certified IT professionals and network engineers. We rigorously review, verify, and update all exam materials to ensure you receive the most accurate and reliable resources for your certification journey.