IRC is a web chat communication technology.
Answer the following statement true (T) or false (F)
True
Computer Science & Information Technology
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Which HTTP request method retrieves meta-information only from the resource signified in the URI?
A. HEAD B. OPTIONS C. GET D. POST
Computer Science & Information Technology
Use the following schema for this problem:
Sailors(sid: integer, sname: string, rating: integer, age: real) key - sid Boats(bid: integer, bname: string, color: string) key - bid Reserves(sid: integer, bid: integer, day: date) key - sid, bid, day(a) Output the names of all sailors who have only rented a single boat (although they might have rented that boat several times). (b) Define a view giving the reservation history of junior sailors (sailors under 16 years old). For each reservation that a junior sailor has made, the view has a row giving the sailor's name and Id, the boat name and Id, and the day the boat was reserved. (c) Using the view of (10b), give a SELECT statement that returns the name of each sailor, the name of the boat that that sailor has rented, and the number of times the sailor has rented that boat.
Computer Science & Information Technology
A hybrid network that looks like a star but has the signaling topology of a bus is called a(n) ____________ topology.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
In the figure above, the Code selection buttons are represented by the number _______.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology