Which of the following IEEE 802.11 standards support operation in the 5GHz frequency band? (Multiple choice)

• A.802.11g
• B.802.11a
• C.802.11ac
• D.802.11n

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What frequency does IEEE 802.11n support? (Multiple Choice)

• A.5GHz
• B.2.4GHz
• C.2.5GHz
• D.6GHz

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In the network shown in the figure below, two switches are connected by four links, COPPER refers to electrical interface, and FIBER refers to optical interface. Which of the following two interfaces can achieve link aggregation?

• A.G0/0/2 and FE0/0/3
• B.G0/0/3 and FE0/0/3
• C.G0/0/3 and G0/0/1
• D.G0/0/2 and G0/0/1

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In the network shown in the figure, which of the following description is correct?

• A.The network between SWA and SWB is the same broadcast domain
• B.The network between SWA and SWC is the same broadcast domain
• C.The network between SWA and SWC is the same conflict domain
• D.The network between RTA and SWC is the same conflict domain

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The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MIAC of 5489-9885-18a8 from port Eth0/0/2, which of the following statements is correct?

• A.Discard this data frame
• B.Forward this data frame from the Eth0/0/2 port
• C.Forward this data frame from Eth0/0/1 port
• D.Flood this data frame

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