Networking

Question 1

Set of rules (protocol) governing data packet movement across networks, ensuring all connected devices “speak the same language.”

Answer 1

Internet Protocol (IP)

Question 2

What are the two common types of network configurations for the Internet Protocol (IP)?

Answer 2

IPv4 and IPv6

Question 3

32-bit number used to distinguish the network portion from the host portion of an IP address.

Answer 3

Subnet mask

Question 4

What process is known for automatically assigning an IP address any time a device connects to a network?

Answer 4

Dynamic Host Configuration Protocol (DHCP)

Question 5

What process assigns IP addresses that expire after a set amount of time, pulling from a public pool of available IP addresses?

Answer 5

Dynamic Host Configuration Protocol (DHCP)

Question 6

What process on a device assigns a private IP address when a DHCP server is unavailable?

Answer 6

Automatic Private IP Addressing (APIPA)

Question 7

What process can automatically assign an IP address but only communicate on a local network and not the outside world?

Answer 7

Automatic Private IP Addressing (APIPA)

Question 8

What process translates domains and web addresses into IP addresses?

Answer 8

Domain Name System (DNS)

Question 9

What is the name of the device located at the boundary of a network that is used to transfer communication between a local network and the internet?

Answer 9

Gateway

Question 10

What are the two protocols whose purpose is to facilitate sending information from one device to another?

Answer 10

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)

Question 11

What protocol has a primary purpose of reliability and establishing a connection (guaranteeing the correct data is transmitted) but is slower in transmitting data?

Answer 11

Transmission Control Protocol (TCP)

Question 12

What protocol is a connectionless protocol where data is continuously sent to a recipient but there is no error checking or validation (resulting in quicker transmission of data)?

Answer 12

User Datagram Protocol (UDP)

Question 13

Which protocol is better used for real-time broadcasting or playing non-local multiplayer videogames?

Answer 13

User Datagram Protocol (UDP)

Question 14

Which protocol is better for sending images, data files, web pages, and emails?

Answer 14

Transmissions Control Protocol (TCP)

Question 15

What is the name of a software endpoint used by a specific process or application for communication?

Answer 15

Network Port

Question 16

List some examples of network ports

Answer 16

• HTTP (web): TCP 80
• HTTPS (secure web): TCP 443
• FTP (file transfer): TCP 20, 21
• SSH (secure remote - access): TCP 22

Question 17

Connecting devices to share resources and communicate, enabling internet access

Answer 17

Networking

Question 18

Why is networking crucial in modern life?

Answer 18

Connects various devices (computers, smartphones, even thermostats) to the internet, facilitating communication and data sharing globally.

Question 19

What hardware devices are commonly found in a network?

Answer 19

• Routers
• Switches
• Wireless access points
• Servers (DNS, DHCP).

Question 20

What is an IP address?

Answer 20

A unique logical numeric address assigned to every device on a network for identification.

Question 21

Non-routable addresses (e.g., starting with 10., 172.16., 192.168.) used within local networks, remapped to public IPs by routers.

Answer 21

What are private IP addresses?

Question 22

How are IPv6 addresses shortened?

Answer 22

• Leading zeros omitted
• Consecutive zero blocks replaced with a double colon (::).

Question 23

Device managing data flow in and out of a network, typically the router in home networks.

Answer 23

Gateway