Which might be in the filed in a computer networker?

In the field of computer networking, professionals may work with various technologies and protocols, including routers, switches, firewalls, and wireless access points. They may also deal with network security measures, IP addressing, and troubleshooting connectivity issues. Additionally, knowledge of network management tools and performance monitoring software is essential for maintaining optimal network functionality. Certifications, such as Cisco's CCNA or CompTIA Network+, are often pursued to validate skills in this field.