Chapter 10

Question 1

The application layer is the _th layer of the OSI Model?

Answer 1

7th.

Question 2

The application layer on the TCP/IP model is made up of what OSI layers?

Answer 2

7. Application6. Presentation5. Session

Question 3

The Application layer is the _____ interface to the network?

Answer 3

Human

Question 4

The presentation layer has three primary functions

Answer 4

1. Encoding2. Compression3. Encryption

Question 5

The session layer ______ and ________ dialog between source and destination applications.

Answer 5

Creates and Maintains.

Question 6

The session layer is essentially a?

Answer 6

Traffic Cop.

Question 7

Many peer-to-peer applications are based on what protocol?

Answer 7

Gnutella Protocol

Question 8

Servers usually run listening services that are called?

Answer 8

Daemons

Question 9

Below are examples of URL, describe each colored element

Answer 9

• Service Protocol
• Sub domain (optional)
• Domain Name
• Top-Level-Domain
• Requested File Path

Question 10

What port does HTTP services operate on?

Answer 10

TCP Port 80

Question 11

What port does HTTPS services operate on?

Answer 11

TCP Port 443

Question 12

What port does SMPT services operate on?

Answer 12

TMP Port 25

Question 13

What port does POP3 services operate on?

Answer 13

TMP Port 110

Question 14

What port does IMAP services operate on?

Answer 14

TCP Port 143

Question 15

True/False: DNS operates on both TCP and UDP?

Answer 15

True.

Question 16

What port does DNS services operate on?

Answer 16

TCP & UDP Port 53

Question 17

True/False: DHCP operates on TCP?

Answer 17

False. DHCP is considered a local-only service and does not use TCP.

Question 18

What two ports does DHCP services operate on?

Answer 18

UDP Ports 67 and 68.

Question 19

What port does Telnet services operate on?

Answer 19

TCP Port 23

Question 20

What port does SSH services operate on?

Answer 20

TCP Port 22

Question 21

What two ports does FTP services operate on?

Answer 21

TCP Ports 20 and 21.

Question 22

What does FTP Services uses port 21 for?

Answer 22

Commands and Replies

Question 23

What does FTP Services uses port 20 for?

Answer 23

For the actual file transfers.

Question 24

What are 10 types Application Layers?10.1.1.2

Answer 24

HTTPHTTPSFTPTFTPIMAPDNSPOPIMAPBOOTPDHCP

Question 25

What is peer-to-peer(P2P)10.1.2.2

Answer 25

An application allows a device to act as both a client and a server within the same communication

Question 26

What are the 3 common messages for HTML?10.2.1.3

Answer 26

GET,POST,PUT

Question 27

What does the GET message do?10.2.1.3

Answer 27

A client (web browser) sends the GET message to the web server to request HTML pages.

Question 28

What does the POST message do?10.2.1.3

Answer 28

A POST message is the data that the user submitted in the form.

Question 29

What does the PUT message do?10.2.1.3

Answer 29

Uploads resources or content to the web server (i.e a file)

Question 30

What is the Port for SMTP?10.2.1.5

Answer 30

25

Question 31

What is the Port for Post Office Protocol (POP)10.2.1.6

Answer 31

110

Question 32

What is the Port for Internet Message Access Protocol (IMAP)10.2.1.7

Answer 32

143

Question 33

What does BIND stand for?10.2.2.2.

Answer 33

Berkeley Internet Name Domain

Question 34

What is the command line to display DNS records on the local client?10.2.2.2

Answer 34

ipconfig /displaydns

Question 35

what does DHCP stand for?10.2.2.6

Answer 35

The Dynamic Host Configuration Protocol

Question 36

What is SMB?10.2.3.4

Answer 36

Server Message Block

Question 37

What is Server Message Block us for?

Answer 37

It is a client/server file sharing protocol,