Fundamentals of TCP/IP Transport and Applications

Mike opens a web browser and connects to the www.wiznet.pro website. Which of the following are typically true about what happens between Mike’s web browser and the web server?

Messages flowing to the server typically use TCP.

Messages flowing to the client typically use a source TCP port number of 86.

Messages flowing from the server typically use RTP.

Messages flowing toward the server use UDP destination port 80.

Correct! Wrong!

A user in an Enterprise network sits at her PC and connects to a web server inside the Enterprise by entering the URL https://www.wiznet.pro into the browser's window and pressing Enter. Which of the following answer is true about the actions taken by the user's PC?

Please select 2 correct answers

If any packets sent by the server are lost in transit, HTTP causes the server to resend the lost data.

The PC uses Hypertext Transfer Protocol (HTTP) to get the files that comprise the requested web page.

The user's action of entering the URI and pressing Enter may result in multiple HTTPS get requests being made to the server.

Correct! Wrong!

In the URI https://www.wiznet.pro, which part identifies the web server?

https

www.wiznet.pro

https://www.wiznet.pro

wiznet.pro

Correct! Wrong!

A user sits at her PC at her desk inside an Enterprise network. She opens a web browser and connects to a website that sits on the Internet. Which of the following answers is most true about the applications and functions used as a result of this user's actions?

The user's PC sends at least two messages to the server before requesting the specific web page.

UDP is used as part of the process of transferring files from the web server to the user's web browser.

The transfer of files uses the FTP protocol.

UDP is used as part of the process of resolving the website's name into the default gateway's MAC address.

Correct! Wrong!

Which of the following is not characteristics of UDP?

UDP is used with TFTP.

UDP is connectionless.

UDP is at the Transport layer.

UDP is connection-oriented.

Correct! Wrong!

Assume a TCP connection already exists between PC1 and PC2. Which TCP message packet would be the final one to be sent between devices if both approve the connection termination?

TCP-SYN, FIN

TCP-FIN

TCP-ACK

TCP-FIN,ACK

Correct! Wrong!

Which of the following header fields identify which TCP/IP application gets data received by the computer?

UDP Port Number

Ethernet Type

SNAP Protocol Type

IP Protocol

Correct! Wrong!

What is the correct sequence for TCP connection establishment?

(1) ACK (2) SYN ACK (3) SYN

(1) SYN (2) ACK (3) SYN

(1) SYN (2) SYN ACK (3) ACK

There is no sequence because TCP is a connectionless protocol.

Correct! Wrong!

Which of the following answers lists the correct layer 4 protocol and well-known port used by each application?

SSH: TCP, port 22

POP3: UDP, 110

HTTP: TCP, port 110

DNS: UDP and TCP, port 56

Correct! Wrong!

What do you call data that includes the Layer 4 protocol header, and data given to Layer 4 by the upper layers, not including any headers and trailers from Layers 1 to 3?

Frame

Packet

bit

Segment

Correct! Wrong!

Which of the following is not typical functions of TCP?

Routing

Flow control (windowing)

Error recovery

Ordered data transfer

Correct! Wrong!

Which of the following functions is performed by both TCP and UDP?

Error recovery

Ordered data transfer

Multiplexing using port numbers

Encryption

Correct! Wrong!

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Fundamentals of TCP/IP Transport and Applications

Mike opens a web browser and connects to the www.wiznet.pro website. Which of the following are typically true about what happens between Mike’s web browser and the web server?

A user in an Enterprise network sits at her PC and connects to a web server inside the Enterprise by entering the URL https://www.wiznet.pro into the browser's window and pressing Enter. Which of the following answer is true about the actions taken by the user's PC?

In the URI https://www.wiznet.pro, which part identifies the web server?

A user sits at her PC at her desk inside an Enterprise network. She opens a web browser and connects to a website that sits on the Internet. Which of the following answers is most true about the applications and functions used as a result of this user's actions?

Which of the following is not characteristics of UDP?

Assume a TCP connection already exists between PC1 and PC2. Which TCP message packet would be the final one to be sent between devices if both approve the connection termination?

Which of the following header fields identify which TCP/IP application gets data received by the computer?

What is the correct sequence for TCP connection establishment?

Which of the following answers lists the correct layer 4 protocol and well-known port used by each application?

What do you call data that includes the Layer 4 protocol header, and data given to Layer 4 by the upper layers, not including any headers and trailers from Layers 1 to 3?

Which of the following is not typical functions of TCP?

Which of the following functions is performed by both TCP and UDP?