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02 -Network Topologies

 1. Computers in a network have to be connected in a logical manner. The layout pattern of interconnections between computers is called:
network_topologies_types.png

  an internet device

  a network interconnection

  a network connection

  a network topology

 2. Which of the following is NOT a network topology
BUS
RING
STAR
MESH
PLANET

  MESH

  RING

  PLANET

  BUS

 3. Network topology is the arrangement of the elements (links, _______, etc.) of a communication network
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  monitors

  ISPs

  nodes

  Mice

 4. Physical topology is the placement of the various components of a network (e.g., device location and cable installation), while logical topology illustrates ….

  how cables are connected directly to the internet

  how data flows within a network.

  how the internet is connected to the network

  how nodes are connected to the host PC

 5. Networks can either be local area networks or wide area networks. An example of a LAN would be:

  The Internet

  Your university or school

  A number of standalone machines in an office block - unconnected

  A single standalone PC

 6. A ____ network is a network topology in which nodes are directly connected to a common linear (or branched) half-duplex link called a ____

  star

  mesh

  bus

  ring

 7. A ______ network is a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node - a _____

  ring

  mesh

  star

  bus

 8. Read the excerpt below and decide what network topology it is referring to
A___________network (or simply _____hnet) is a local network 
topology in which the infrastructure nodes (i.e. bridges, 
switches and other infrastructure devices) connect directly, 
dynamically and non-hierarchically to as many other nodes as 
possible and cooperate with one another to efficiently route 
data from/to clients

  mesh

  star

  ring

  bus

 9. What network topology is being described in the following excerpt?
A ____ network is one of the most common computer network topologies. 
In its simplest form, a star network consists of one central hub/server
which acts as a conduit to transmit messages. In ____ topology, 
every host is connected to a central hub/server.

  mesh

  bus

  star

  ring

 10. What type of network is likely to be expensive (as each node is often connected to every other node or at least to a central server)?
Note to clarify: 'Robust' because if one node fails,
the other computers on the network will continue to operate
and allow data transmission as they are connected to a 
central server.

  bar

  bus

  star

  ring

 11. In which topology is there likely to be few data collisions as each node has its own cable/connection to the server?

  ring

  None of the above

  star

  bus

 12. What is one of the disadvantages of the star network?

  None of the above

  If one of the nodes fails, the entire network will be affected

  If the server fails, the whole network will be down

  If the server fails, all the data will be transmitted to the other nodes much faster

 13. Which of the following topologies is likely to be the most expensive due to the cabling?

  ring

  star

  bus

  All of them cost exactly the same.

 14. In a star network it is very difficult to add or remove a node as doing so will adversely affect the network

  FALSE

  TRUE

 15. The robustness of a mesh network allows for some interesting uses and applications including:

  All of the above

  Battlefield mesh networks to allow military solidiers to communicate with each other

  Mobile hot spots

  Music streaming devices around the home