NTA-NET (Based on NTA-UGC) Computer Science (Paper-II): Questions 43 - 47 of 2012

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Question number: 43

» Networks, Virtualization, & Cloud Computing » Network Fundamentals » Wireless Networks

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Appeared in Year: 2015

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Question

In a typical mobile phone system with hexagonal cells, it is forbidden to reuse a frequency band in adjacent cells. If 840 frequencies are available, how many can be used in a given cell? (December)

Choices

Choice (4) Response

a.

210

b.

120

c.

140

d.

280

Question number: 44

» E-Technologies » Data Warehousing » Analysis, Design, Construction and Administration

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Appeared in Year: 2015

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Question

……………… allows selection of the relevant information necessary for the data warehouse. (December)

Choices

Choice (4) Response

a.

Data Warehouse View

b.

Data source View

c.

The Top-Down View

d.

Business Query View

Question number: 45

» Networks, Virtualization, & Cloud Computing » Network Fundamentals » Wireless Networks

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Appeared in Year: 2015

MCQ▾

Question

Which of the following fields in IPv4 datagram is not related to fragmentation? (December)

Choices

Choice (4) Response

a.

Identification

b.

Type of service

c.

Fragment offset

d.

Flags

Question number: 46

» Networks, Virtualization, & Cloud Computing » Routing » Hierarchical Routing

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Appeared in Year: 2015

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Question

Consider a subnet with 720 routers. If a three-level hierarchy is chosen with eight clusters, each containing 9 regions of 10 routers, then total number of entries in the routing table is ________ (December)

Choices

Choice (4) Response

a.

25

b.

53

c.

72

d.

27

Question number: 47

» System Software and Compilers » Context Free Grammars

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Appeared in Year: 2015

MCQ▾

Question

The language of all non-null strings of a’s can be defined by a context free grammar as follow:

S→a S S a a

The word a3 can be generated by ________ different trees. (December)

Choices

Choice (4) Response

a.

Five

b.

Three

c.

Two

d.

Four

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