Computer networks quiz 1

• How many OSI layers are there?

• 5

• 6

• 7

• 8

• At which layer do router devices operate?

• • Data Link Layer

• • Network Layer

• • Transport Layer

• • Physical Layer

• The network is the 3rd OSI layer.

  •  

• • True

• • False

• The Session layer communicates with which other layers?

• • None

• • Application and Transport

• • Transport and Network

• • Transport and Presentation

•  

  Name a protocol that operates at the Transport Layer.

• • PCT

• • PPT

• • TCP

• • None

Bits are packaged at which layer of the OSI model?

• Physical Layer

• Data Link Layer

• Network Layer

• Presentation Layer

The protocols ( Ethernet,Token Ring and  FDDI) are working in which layer of OSI ?

• Transport Layer

• Presentation Layer

• Data Link Layer

• Application Layer

What is a computer network?

• A device used to display information on a computer screen

• A collection of interconnected computers and devices that can communicate and share resources

• A type of software used to create documents and presentations

• The physical casing that protects a computer’s internal components

What is internet?

• A network of interconnected local area networks

• A collection of unrelated computers

• Interconnection of wide area networks

• A single network

Which of the following is an example of Bluetooth?

• wide area network

• virtual private network

• local area network

• personal area network