Chapter 6: Introduction to TCP/IP

Question 1

FTP
Port #

Answer 1

20, 21

Question 2

SSH
Port #

Answer 2

22

Question 3

Telnet
Port #

Answer 3

23

Question 4

SMTP
Port #

Answer 4

25

Question 5

DNS
Port #

Answer 5

53

Question 6

DHCP
Port #

Answer 6

67, 68

Question 7

TFTP
Port #

Answer 7

69

Question 8

HTTP
Port #

Answer 8

80

Question 9

POP3
Port #

Answer 9

110

Question 10

NetBIOS/ NetBT
Port #

Answer 10

137, 139

Question 11

IMAP4
Port #

Answer 11

143

Question 12

SNMP
Port #

Answer 12

161, 162

Question 13

LDAP
Port #

Answer 13

389

Question 14

HTTPS
Port #

Answer 14

443

Question 15

SMB/ CIFS
Port #

Answer 15

445

Question 16

RDP
Port #

Answer 16

3389

Question 17

____ lets you upload and download files, copy files, list and manipulate directories, and view file content. Username and passwords for login are sent in plain text.

Answer 17

FTP or File Transfer Protocol

Question 18

____ is a connection-oriented protocol that can be used to set up a secure Telnet session for remote logins or for remotely executing programs and transferring files.

Answer 18

SSH or Secure Shell

Question 19

____ is a terminal emulation protocol that transmits data, including passwords, in plain text.

Answer 19

Telnet

Question 20

____ is the protocol used to send email from mail server to mail server as well as from a mail server to an email client.

Answer 20

SMTP or Simple Mail Transfer Protocol

Question 21

____ resolves hostnames to IP addresses. Through a ____ server, your computer resolve the URL to an IP address.

Answer 21

DNS or Domain Name System

Question 22

____ dynamically assigns IP addresses and other IP configuration information to network clients.

Answer 22

DHCP or Dynamic Host Configuration Protocol

Question 23

____ is FTP’s lighter-weight cousin, transferring files more simply and faster.

Answer 23

TFTP or Trivial File Transfer Protocol

Question 24

____ manages the communication between a web server and a client, and transmits information in plain text.

Answer 24

HTTP or Hypertext Transfer Protocol

Question 25

____ was the preferred protocol for downloading email.

Answer 25

POP3 or Post Office Protocol 3

Question 26

____ is an application programming interface (API) that allows computers to communicate with each other over the network. It works at Layer 5. Running it over TCP/IP is called ____.

Answer 26

NetBIOS, NetBT

Question 27

____ is a secure protocol designed to download email and it’s the client-side email management protocol of choice.

Answer 27

IMAP4 or Internet Message Access Protocol

Question 28

____ gathers and manages network performance information.

Answer 28

SNMP or Simple Network Management Protocol.

Question 29

____ is a directory services protocol based on the X.500 standard and is designed to access information stored in an information directory/database.

Answer 29

LDAP or Lightweight Directory Access Protocol

Question 30

To encrypt traffic between a web server and client securely, ____ can be used. Connections are secured using either SSL (Secure Sockets Layer) or TLS (Transport Layer Security).

Answer 30

HTTPS or Hypertext Transfer Protocol Secure

Question 31

____ is used to provide shared access to files, printers, and other network resources and is primarily implemented by Microsoft systems.

Answer 31

SMB or Server Message Block

Question 32

____ is a Microsoft-developed enhancement of the SMB protocol. It can be used to share files and printers between computers, regardless of the operating system that they run. It’s the default file and print sharing protocol in Windows.

Answer 32

CIFS or Common Internet File System

Question 33

____ allows users to connect to remote computers and run programs on them. When you use it, you see the desktop of the computer you’ve signed into on your screen.

Answer 33

RDP or Remote Desktop Protocol

Question 34

Class A private IP address range and default subnet mask:

Answer 34

10.0.0.0/8 - 10.255.255.255

255.0.0.0

Question 35

Class B private IP address range and default subnet mask:

Answer 35

172.16.0.0/12 - 172.31.255.255

255.240.0.0

Question 36

Class C private IP address range and default subnet mask:

Answer 36

192.168.0.0/16 - 192.168.255.255

255.255.0.0

Question 37

What is the APIPA address range and subnet mask:

Answer 37

169.254.0.0/16 - 169.254.255.255 (169.254.x.x)

255.255.0.0

Question 38

____ prevents email spam by using DNS TXT records to authenticate an email server based on its IP address.

Answer 38

SPF or Sender Policy Framework

Question 39

____ prevents email spam by using DNS TXT records and encryption through a public-private key pair to authenticate an email server with digital signatures.

Answer 39

DKIM or Domain Keys Identified Mail

Question 40

____ prevents email spam by using DNS TXT records by allowing a domain owner to decide how they want email from their domain to be handled if it fails either an SPF or a DKIM authentication.

Answer 40

DMARC or Domain-based Message Authentication, Reporting, and Conformance

Question 41

An IPv6 ___ address refers to one that has been assigned to multiple nodes.

Answer 41

anycast

Question 42

An IPv6 a/an ____ address is one used by multiple hosts, and is used to communicate to groups of computers.

Answer 42

multicast

Question 43

What is the IPv6 loopback address?

Answer 43

::1

Question 44

What is the IPv6 link local unicast range?

Answer 44

FE80::/10

Question 45

What is the IPv6 multicast range?

Answer 45

FF00::/8

Question 46

What is the IPv6 global unicast range for use on the Internet?

Answer 46

2000::/3