Discuss why the using the 5-GHz range for wireless networking produces less interference than the 2.4-GHz range.
What will be an ideal response?
The 5.0-GHz range is much less crowded than the 2.4-GHz range, reducing the chance of interference from devices such as telephones and microwave ovens. Too much signal interference can increase latency, making the network sluggish and slow to respond. Running in the 5.0-GHz range greatly reduces this problem.
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Suppose a variable is passed by reference to a parameter of a Sub procedure, and the parameter has its value changed inside the Sub procedure. What will the value of the variable be after the Sub procedure has executed?
(A) It will have the newly modified value from inside the Sub procedure. (B) Its value can’t be determined without more information. (C) It will retain the value it had before the call to the Sub procedure. (D) None of the above
What is DHCP snooping?
a. a feature that can be disabled to specify the trusted DHCP source; the switch will block the DHCP server messages from the untrusted sources b. a feature that can be enabled to specify the trusted DNS source; the switch will then block the DHCP server messages from the untrusted sources c. a feature that can be enabled to specify the un-trusted DHCP source; the switch will pass the DHCP server messages to the untrusted sources d. a feature that can be enabled to specify the trusted DHCP source; the switch will block the DHCP server messages from the untrusted sources
The named range from a selection for the VLOOKUP function has to use the top row of the table array
Indicate whether the statement is true or false
To standardize arguments passing to a main() function, only ____ item(s) is/are allowed.
A. one B. two C. three D. four