C4: Computer Networks and Internet

The TCP/IP model has _______ layers.

• 5

• 6

• 7

• 8

The _______ layer of the TCP/IP protocol suite provides services for end users.

• data-link

• transport

• application

• physical

Answer explanation

The _______ layer of the TCP/IP protocol suite transmits a bit stream over a physical medium.

• physical

• network

• data-link

• session

Answer explanation

key là physical,khái niệm sách khó hiểu

The _______ layer of the TCP/IP protocol suite is responsible for node-to-node delivery of a frame between two adjacent nodes.

• transport

• network

• datalink

• session

Answer explanation

Cả data-link và physical đều là node-to-node nhưng mà data-link thì hợp tác nhiều cái lại ... key between two ... nodes còn cái kia thì tự kỉ:D

 The _______ layer of the TCP/IP protocol suite is responsible for source-to-destination delivery of the entire message.

• transport

• network

• data-link

• session

Answer explanation

source-to-destination

 What is the domain name in the e mail address [e-mail]?

• kayla

• [e-mail]

• nasa.gov

• gov

Which physical topology uses a hub or switch?

• bus

•  ring

•  star

• bus and ring

Answer explanation

ko thấy trong sách :)) checked GPT

 IPv4 addresses are currently _______ bits in length

• 4

• 8

• 32

• 16

Answer explanation

 IPv6 addresses are currently _______ bits in length.

• 8

• 16

• 32

• 128

Answer explanation

_______ protocol (s) is one of the protocols in the transport layer.

• Only TCP

• Only UDP

• TCP, UDP, and SCTP

• Only SCTP

Answer explanation

Tại sao 3 đáp án nhỉ?