Mạng 1 GK

Which layer is the physical address used in the TCP/IP model ?

• Network layer

• Data link layer

• Application layer

• Physical layer

What is the network layer responsible for?

• Delivering packets from the source host to the destination host

• Delivering packets from a node to another node

• Transmitting bits from the source host to the destination host

• Delivering frames from the source host to the destination host

Which layer is the port address used in the TCP/IP model ?

• Transport layer

• Network layer

• Physical layer

• Data link layer

Five components of data communications include:

• Sender, receiver, message, host, server.

• Message, source address, destination address, media, protocols

• Host, Server, packet, process, port address

• Sender, receiver, message, media, protocols.

In a star topology, when the hub is broken down

• Only one station connecting to the Hub does not operate

• Only the Hub does not operate, other devices connecting with the Hub operate regularly

• The network operates normall

• All broke

Which layer performs packet routing

• . Transport layer

• Physical layer

• Application layer

• Network layer

What are protocols of the application layer

• HTTP; QAM; DHCP

• DNS; HTTP; IP

• TCP; UDP; HTTP

• DNS; HTTP; SMTP

What is the application layer responsible for

• Providing resources to processes

• Providing the Internet to users.

• Providing addresses to users

• Providing services to users

What is the most correct definition of Computer Communications Networks

• The Interne

• A set of computers connecting with each othe

• A Wifi networ

• A computer network is a set of computers sharing resources located on or provided by network nodes

etwork topology has following types:

• Mesh; Star; Bus; Ring

• Star; Bus; Point-to-Point

• . Ring; Bus; Protocol

• esh; Star; Multipoint