Peer-to-Peer & Networks
Network type created when pairing wireless earbuds to a phone
What is a Personal Area Network (PAN)?
Steps of the 3-way handshake
What are SYN → SYN-ACK → ACK?
Which numbering system is most used in computers?
What is binary?
IEEE standard that defines wireless networks
What is IEEE 802.11?
What network resources can a server provide access to?
What are file shares, print services, email hosting, authentication, etc.?
Device that connects multiple networks together
What is a router?
Port number for HTTPS
What is port 443?
Which values does hexadecimal use?
What are 0–9 and A–F?
Non-overlapping channels in 2.4 GHz & 5 GHz
What are 3 channels in 2.4 GHz and up to 23 in 5 GHz?
Components of a Fully Qualified Domain Name (FQDN)
What are hostname, domain, and top-level domain?
Role of host devices in a P2P network
What is that each host can act as both client and server?
Common uses of UDP
What are DNS lookups, DHCP, streaming media, and VoIP?
How many bits in an IPv4 address?
What is 32 bits?
Encryption algorithm used by WPA2
What is AES (Advanced Encryption Standard)?
What is the Internet of Things (IoT)?
What is the network of everyday “smart” sensors and devices”?
Benefits of implementing a network organization-wide
What are resource sharing, centralized data access, and easier collaboration?
Protocols used by email
What are SMTP, POP3, and IMAP?
How many bits in an IPv6 address?
What is 128 bits?
Wireless access method using a push-button (WPS)
What is Wi-Fi Protected Setup (WPS)?
CPUs used in embedded systems
What are ARM Cortex-M, AVR, and Intel Atom?
How to split an IPv4 address into network ID vs. host ID
What is by applying the subnet mask to identify network bits and treating the rest as host bits?
Main difference between TCP & UDP
What is that TCP is connection-oriented and reliable, while UDP is connectionless and faster?
How can you shorten an IPv6 address?
What is by removing leading zeros and using :: for consecutive zeros?
Most common IoT communication protocols
What are MQTT, CoAP, and HTTP/REST?
The difference between: Physical address vs. logical address
What is that a physical (MAC) address identifies hardware, while a logical (IP) address identifies a network location?