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NR 658 ACTUAL EXAM PAPER 2026 QUESTIONS WITH ANSWERS GRADED A+

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NR 658 ACTUAL EXAM PAPER 2026 QUESTIONS WITH ANSWERS GRADED A+

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NR 658 ACTUAL EXAM PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+


◍ Hierarchical Database . Answer: 1:1 parent/ child
Secure, restricted paths


◍ Network Database . Answer: multiple parents/child
flexible
complex


◍ Relational Database . Answer: USED IN GIS
flexible


◍ Boolean Algebra . Answer: AND
OR
NOT


◍ Attribute data . Answer: tables of nominal data
color
type

, ratio
linked to spatial data


◍ Spatial Data . Answer: location
coordinates


◍ Raster Advantages . Answer: simple
easy overlay
implicit topology
inexpensive
smaller cells= more accurate


◍ Raster Disadvantage . Answer: lacks detail
large storage
not visually appealing
hard to network


◍ Vector advantage . Answer: compact
network well
visually appealing
detail

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