IT Exam Items Repository

Which organization defines standards for the network access layer (i.e., the OSI physical and data link layers)?
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The media access control method used depends on which two criteria?
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What Layer 2 function does a router perform? (Choose three.)
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What is the responsibility of the MAC sublayer?
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The IEEE 802 LAN/MAN data link layer consists of which two sublayers? (Choose two.)
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What is another name for the OSI data link layer?
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Which of the following is the decimal equivalent of 7D?
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Which is the decimal equivalent of A9?
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Which is the hexadecimal equivalent of 254?
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Which is the hexadecimal equivalent of 202?
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Which of the following is the binary equivalent to the 172.16.31.30 IP address?
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Which is the binary equivalent to the 192.168.11.10 IP address?
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Which of the following wireless standards is used for Personal Area Networks (PANs) and allows devices to communicate over distances of 1 to 100 meters?
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Which of the following wireless standards is best suited for industrial and IoT environments?
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True or false. Wireless LANs operate in full-duplex allowing all devices to send or receive data at the same time so the number of users does not impact performance.
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