Select the true statements about meta tags.
a. They may be placed anywhere in the web page.
b. They may be used by search engines to index a web page
c. They must be present or the page will not be indexed.
d. All of the above are true.
b. They may be used by search engines to index a web page
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Which of the following is NOT an example of a synchronous communication?
A) online chat B) podcast C) VoIP phone call D) instant message
Match each item with a statement below.
A. Computers operate at this layer. B. This layer handles data formatting and translation. C. This handles communication setup and teardown. D. This uses port numbers as source and destination identifiers E. Routers operate at this layer. F. Switches operate at this layer. G. Hubs operate at this layer. H. Sublayer manages access to the physical medium. I. This sublayer is responsible for some error recovery. J. This is the general framework for how networking systems should operate.
Point mode allows you to ____, as shown in the accompanying figure.
A. select cells for use in a formula using the keyboard B. select a function from the Sum button list C. select cells for use in a formula using the mouse pointer D. edit cell contents directly in the cell
Which authentication method is commonly used for more-secure wireless networks?
A. PPP B. EAP-PSK C. EAP-TLS D. LEAP