Chapter 6: Introduction to TCP/IP

Fill-in-the-blank flashcards covering TCP/IP topics from the provided notes.

Port 80 is used by __.

HTTP

Port 22 is used by __.

SSH

Port 23 is used by __.

Telnet

Port 25 is used by __.

SMTP

Port 53 is used by __.

DNS

Port 67/68 are used by __.

DHCP

Port 110 is used by __.

POP3

Port 137/139 is used by __.

NetBIOS/NetBIOS over TCP/IP (NetBT)

Port 143 is used by __.

IMAP

Port 161/162 are used by __.

SNMP

Port 389 is used by __.

LDAP

Port 443 is used by __.

HTTPS

Port 445 is used by __.

SMB/CIFS

Port 3389 is used by __.

RDP

TCP is a __ protocol.

connection-oriented

UDP is a __ protocol.

connectionless

Port 69 is used by __.

TFTP

FTP stands for __.

File Transfer Protocol

An IPv4 address is a __-bit binary address.

32

An IPv4 address is divided into the __ portion.

network portion

The __ portion identifies the specific device on the network.

host portion

CIDR stands for Classless Inter-Domain Routing.

Classless Inter-Domain Routing

Public IP addresses are routable on the __.

Internet

The private Class A range is 10.0.0.0–10.255.255.255; default subnet mask is __.

255.0.0.0

The private Class B range is 172.16.0.0–172.31.255.255; default subnet mask is __.

255.240.0.0

The private Class C range is 192.168.0.0–192.168.255.255; default subnet mask is __.

255.255.0.0

APIPA addresses start with __.

169.254.x.x/16

In DHCP, a 'Scope' defines a range of __.

IP addresses

In DHCP, a 'Reservation' assigns a specific IP to a particular __.

client

In DHCP, a 'Lease' defines the amount of time a client can use an __.

IP address

SOA stands for __.

Start of Authority

MX records designate the __ that handle mail for a domain.

mail exchange

A records map a hostname to an __ address.

IPv4

AAAA records map a hostname to an __ address.

IPv6

CNAME records define a domain's __.

canonical name

TXT records are used for __ and domain ownership verification.

spam prevention

DKIM stands for __.

Domain Keys Identified Mail

SPF stands for __.

Sender Policy Framework

DMARC stands for __.

Domain-based Message Authentication, Reporting, and Conformance

IPv6 supports unicast, anycast, and __.

multicast

Global unicast address range starts at __.

2000::/3

Unique local unicast address range is __.

FC00::/7

Link-local unicast range is __.

FE80::/10

Loopback address in IPv6 is __.

::1

VLANs operate at the __ layer.

Data Link

A 'Trunk' carries traffic for multiple __ across switches.

VLANs

A VPN creates a secure __ through an untrusted network.

tunnel

A VPN connects a remote client to a corporate network through a __.

VPN server