Which of the following networking devices can exist at several layers of the OSI model at the same time? (Select TWO).

A. Switch
B. Cable
C. Repeater
D. Router
E. Bridge
F. Hub


Answer:
A. Switch
D. Router

Computer Science & Information Technology

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Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Describe a method for protecting users against URL obfuscation attacks

What will be an ideal response?

Computer Science & Information Technology

Searching the Web for recently posted information becomes incredibly important on the World ____________________ Web.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

_____ are the most powerful computers with the fastest processing speed and highest performance.

A. Blade servers B. Workstations C. Mainframe computers D. Supercomputers

Computer Science & Information Technology