TCP/IP

Question 1

TCP / UDP ports

Answer 1

65,536 possible

Question 2

Well-Known Ports

Answer 2

AKA Reserved Ports

1 - 1023

Question 3

Registered Ports

Answer 3

1024 - 49151

Question 4

Dynamic Ports

Answer 4

AKA Private Ports

49152 - 65535

Question 5

TCP

Answer 5

Transmission Control Protocol

Connection-oriented protocol

Question 6

Connection-Oriented Protocol

Answer 6

Establishes network connection
Manages data transfer
Verifies delivery of data
Supports error checking / recovering lost data

Question 7

SYN

Answer 7

Synchronizing packet

Sent by sending host to initiate TCP

Question 8

SYN ACK

Answer 8

Synchronizing Acknowledgement packet

Sent by receiving host to notify sending host that packet was received

Question 9

ACK

Answer 9

Acknowledgement packet

Sending host sends acknowledgement of acknowledgement to receiving host

Question 10

UDP

Answer 10

User Datagram Protocol

Connectionless protocol

Question 11

Connectionless Protocol

Answer 11

Packets transported over network without establishing a connection or verifying the packet arrived at destination

Question 12

IP

Answer 12

Internet Protocol

Logical address containing both network and host addresses

Question 13

ARP

Answer 13

Address Resolution Protocol

Resolves IP address to a hardware address

Question 14

ICMP

Answer 14

Internet Control Message Protocol

Control flow of data, report errors, perform diagnostics

Question 15

IGMP

Answer 15

Internet Group Management Protocol

Used for multicasting

Question 16

Multicasting

Answer 16

One host sends data to many destination hosts

Question 17

ARIN

Answer 17

American Registry for Internet Numbers

Assigns home IP address for a network

Question 18

Subnet Mask

Answer 18

Identifies which bits in IP address represent the network

Question 19

CIDR

Answer 19

Classless Interdomain Routing

Question 20

NAT

Answer 20

Network Address Translation

Private address for host is translated to a public address for routing over the internet.

Question 21

PAT

Answer 21

Port Address Translation

Port number tracked during a NAT connection

Question 22

Port Forwarding

Answer 22

AKA Port Mapping

Packets from one IP address / port number are redirected to another.

Question 23

MSB

Answer 23

Most Significant Bit Position

Question 24

Classful Networks

Answer 24

IP addresses and subnets are within the same network.

Question 25

Supernetting

Answer 25

Multiple networks can be specified by one subnet mask.

Two or more classful networks grouped together.