Network Devices
What device forwards packets between networks based on IP addresses?
Router
What is the standard subnet mask for a Class C IP address?
255.255.255.0
What port number does HTTP use?
80
What is the networking method that lets many devices share one public IP address by hiding their private IPs?
NAT (Network Address Translation)
What is the frequency band commonly used by Wi-Fi?
2.4 GHz and 5 GHz
What device connects devices within a LAN and uses MAC addresses to forward data?
Switch
What IP address class is reserved for multicasting?
Class D
What protocol is used for secure remote login?
SSH
What kind of attack floods a network with traffic to make resources unavailable?
DDoS (Distributed Denial of Service)
What wireless standard supports speeds up to 1 Gbps?
802.11ac
What device broadcasts traffic to all ports and lacks intelligence?
Hub
What type of IP address is assigned automatically by a DHCP server?
Dynamic IP address
What port is used by DNS?
53
What is the term for software that secretly gathers user information?
Spyware
What is the name of a wireless network identifier?
SSID
What device filters traffic based on predefined rules?
Firewall
What is the purpose of a loopback address?
It tests internal TCP/IP functionality
What protocol translates domain names into IP addresses?
DNS
What security method requires two different forms of authentication?
Multi-Factor Authentication (MFA)
What type of WAN technology uses cell towers for connectivity?
LTE
What specialized device manages traffic between different network types (e.g., LAN to WAN)?
DAILY DOUBLE!!!
Gateway
What protocol is used to assign IP addresses automatically?
DHCP
What protocol ensures reliable delivery using acknowledgments?
DAILY DOUBLE!!!
TCP
What is the process of converting data into a coded format called?
Encryption
What protocol is used to establish VPN tunnels?
IPSec