Answer:
Option A, B & C are correct answers .
Explanation:
Answer:
802.11a
Explanation:
802.11a supports bandwidth of 54 Mbps in a regulated frequency spectrum of 5 GHz. 802.11a also referred to as Wi-fi 2. 802.11a is basically costs higher than 802.11b though both were created at the same time. Hence 802.11b is more popular than 802.11a . All of them are developed by IEEE.
Answer: C
Explanation: had an assignment and this was the answer
A firewall determines what external network traffic(internet) should or should not be allowed to pass internal network(computer). A firewall is network security that protects software and hardware from untrusted sites that may have viruses, worms, and bugs that are detrimental to the computer.
Answer:
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Explanation:
