Computer Science > EXAM > CISCO NetAcad CCNA 1 Chapter 4 Exam | with 100% Correct Answers | Updated & Verified (All)

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CISCO NetAcad CCNA 1 Chapter 4 Exam | with 100% Correct Answers | Updated & Verified

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What are two services performed by the data link layer of the OSI model? (Choose two.) - ✔✔It accepts Layer 3 packets and encapsulates them into frames. It provides media access control and perf ... orms error detection. Refer to the exhibit. The PC is connected to the console port of the switch. All the other connections are made through FastEthernet links. Which types of UTP cables can be used to connect the devices? - ✔✔1 - rollover, 2 - straight-through, 3 - crossover What is a role of the Logical Link Control sublayer? - ✔✔to mark frames to identify the network layer protocol being carried What is true concerning physical and logical topologies? - ✔✔Logical topologies refer to how a network transfers data between devices. Refer to the exhibit. What is wrong with the displayed termination? - ✔✔The untwisted length of each wire is too long. Which statement describes an extended star topology? - ✔✔End devices connect to a central intermediate device, which in turn connects to other central intermediate devices. Why are two strands of fiber used for a single fiber optic connection? - ✔✔They allow for fullduplex connectivity. What is the function of the CRC value that is found in the FCS field of a frame? - ✔✔to verify the integrity of the received frame [Show More]

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