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Computer networking questions.

Computer networking questions.

Find Computer networking university examination questions in acaproso.com

# Question
1

Change the following IPv4 addresses from binary notation to dotted-decimal notation.

  • 10000001 00001011 00001011 11101111
  • 11000001 10000011 00011011 11111111

Short answers
2

Find the error, if any, in the following IPv4 addresses.

  • 111.56.045.78
  • 221.34.7.8.20
  • 75.45.301.14
  • 11100010.23.156.23

Short answers
3

Find the class of each address.

  •  00000001 00001011 00001011 11101111
  •  11000001 10000011 00011011 11111111
  • 14.23.120.8
  • 252.5.15.111

Short answers
4

An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The ISP needs to distribute these addresses to three groups of customers as follows:

a. The first group has 64 customers; each needs 256 addresses.

b. The second group has 128 customers; each needs 128 addresses.

c. The third group has 128 customers; each needs 64 addresses.

Design the sub-blocks and find out how many addresses are still available after these allocations.

 


Short answers
5

In the OSI model, the __ layer is concerned with finding the best path for the data to move from one point to the next within the network.

  • data link
  • network
  • physical
  • application

Multiple choices
6

The __ layer can perfom ASCII to non-ASCII character conversions

  • transport
  • data link
  • presentation
  • application

Multiple choices
7

Large networks that encompass parts of states , multiple states, countries and the whole world are called .

  • MANs
  • LANs
  • PANs
  • WANs

Multiple choices
8

In the OSI model , which layer performs encryption or data compression?

  • application
  • network
  • data link
  • presentation

Multiple choices
9

The loss of signal strength is called

  • attenuation
  • amplitude
  • noise
  • crosstalk

Multiple choices
10

In a ___ topology the workstations are connected by a linear coaxial cable.

  • bus
  • star-wires bus
  • star-wired ring
  • ring

Multiple choices