The 802.11n standard adds a feature to CSMA/CA which is necessary for A-MPDU aggregation called which of the following?
A. frame acknowledgement
B. node collision protocol
C. virtual carrier sensing
D. block acknowledgement
Answer: C
Computer Science & Information Technology
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Fill in the blank(s) with the appropriate word(s).
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The ________ action is used to put the focus on a specified database object so that an action can be applied to that object
Fill in the blank(s) with correct word
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How large is the 802.1Q tag that is added to an Ethernet frame when using VLANs?
a. 4 bytes b. 8 bytes c. 12 bytes d. 20 bytes
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A. entity B. community string C. MIB D. OID
Computer Science & Information Technology