Identify and describe several common problems at Layer 1 of a network

What will be an ideal response?


There are a variety of answers to this, but the following are common issues:
Cable failures or faults: Cables can wear out with use or may be affected by environmental factors.
Opens: This is when a strand of copper cable cannot hold current.
Short:This happens when two strands of copper cable touch.
Decibel (dB) loss:This happens when the signal is not carried fully to the destination and does not get interpreted correctly; this can also be the result of exceeding distance limitations.
Interference: placement of the cable may subject it to EMI, which may or may not be.
Crosstalk:This can happen when cable is close enough that neighboring connections induce their signals on each other.

Computer Science & Information Technology

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Which of the following are potential problems when we use the delete operator on a pointer variable?

a) inaccessible heap memory b) dangling pointers c) uninitialized pointers d) NULL pointers

Computer Science & Information Technology

Methods that perform common tasks and cannot be called on objects are called methods.

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

Computer Science & Information Technology

Colors have significant psychological and cultural traits that you must consider when choosing your Web site's color scheme.

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

Computer Science & Information Technology

A selected area is defined by a(n) ____________________.

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

Computer Science & Information Technology