OSI Model Exam Prelim

A method of describing and analyzing data

communication networks by breaking the entire set of

communication process into a number of layers?

The year ISO established a committee to develop an architecture for systems communication?

• 1976

• 1977

• 1986

• 1987

OSI model is used to reduce the complexity, networks are organized as a

stack of layers, one below the other.

• True

• False

Layers 1,2, 3- physical, data link and network of the OSI model are

network support layers?

• True

• False

Layer 3 of the OSI model links the two subgroups.

• True

• False

Layers 5,6,7 of the OSI model are

user support layers.

• True

• False

This layer is responsible for movements of

individual bits from one node to next.
(Not the Layer number but the name of the layer)

The following are functions of Layer 1 in OSI model except for?

• Converts bits to signal

• Transmission mode

• Multiplexing

• Routing

The following are the functions of the 1st layer of the OSI model except for?

• Manage Physical Connection

• Topology

• Switching

• Assigning IP

In the OSI model, it is responsible for moving frames from one node to the next node?
(Not the number of the layer but the name of this layer)