If a local DNS server cannot find an IP address for a specified URL, it does this.

a. Queries the next DNS server
b. Returns an error 4xx to the client requesting the resource
c. A reverse lookup of the authoritative record
d. Performs an iterative query of the local DNS servers database

Octothorpe is another name for what common computer keyboard symbol?

Which of the following is not a way in which trees benefit the environment? a. they remove a significant amount of carbon dioxide from the atmosphere. b. they remove a significant amount of oxygen from the atmosphere. c. their roots hold soil in place, reducing rates of erosion. d. they remove ozone and particulates from the atmosphere. select the best answer from the choices provided a b c d

Freya realizes she does not have enough in her bank account to use the debit card. she decides to use a credit card instead. which questions should freya answer before using a credit card? check all that apply. can i pay at least the minimum payment each month? can i make payments on time and avoid late fees? will i have to take out a loan? how much in finance charges can i afford to pay? should i talk to a consumer credit counseling service?