What aspects of Ethernet have remained relatively unchanged over the years, and what aspects have changed?
What will be an ideal response?
Ethernet's simplicity and ease of use and installation have remained unchanged. The Ethernet
frame has remained relatively unchanged. Ethernet is still usually connected in a star topolo
gy, but the center of the star is a switch rather than a hub these days. The cabling for Ethernet
has evolved from coaxial to unshielded twisted pair to fiber-optic. Unshielded twisted pair is
still widely used. Fiber-optic is reserved mostly for data centers, links between switches, and
high-end devices.
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Answer the following statements true (T) or false (F)
1) Any protection mechanism must have the flexibility to allow several processes to access the same portion of main memory. 2) Secondary memory provides fast access at relatively high cost. 3) A hardware mechanism is needed for translating relative addresses to physical main memory addresses at the time of execution of the instruction that contains the reference. 4) In a multiprogramming environment the programmer knows at the time of coding how much space will be available and where that space will be. 5) Overlay programming wastes programmer time.
Ken has discovered that a vice president of his company has been using his computer to send data about a new product to a competitor. Ken has identified an email from the vice president and has tracked the information to the person at the other company. Ken has archived the evidence that proves the data has been sent. ? What should Ken do next?
A. Report the person through proper channels. B. Approach the VP and ask him about the email. C. Ignore the email; it is not his job. D. Go right to the president of the company.
When you click a text box border, _____.?
A. ?the sizing handles disappear B. ?the border disappears C. ?it changes to a dotted line D. ?it changes to a solid line
Choose the sentence that demonstrates correct punctuation.?
A. ?The term "G2G" stands for got to go. B. ?The term G2G stands for got to go. C. ?The term G2G stands for got to go.