What is one way to clean a keyboard?
A) Use compressed air.
B) Spray it with a cleaning solution like window cleaner.
C) Use cotton swabs and a bit of bleach to get between keys.
D) Take a hair brush between the keys.
A
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In the scenario you should be aware that 802.11a uses a 5GHz signal, which makes it effective only at shorter distances, as well as incompatible with 802.11b's 2.4GHz signal, but places it in a much less-crowded bandwidth. Which of the following protocols provides the actual encryption used over VPN?
A. PPP B. HTTPS C. PPTP D. SSH
Identify primary keys and foreign keys for the following tables. Also, specify tables referenced by the foreign key. If a table does not have a foreign key, leave the entry blank. (Note: Some tables have composite primary key. Identify all composite key attributes for such tables.)
STUDENT FACULTY COURSE CRSSECTION REGISTRATION ROOM TERM LOCATION MAJOR DEPARTMENT