04 Layer 1 and Layer 2 technologies
#Cisco #Certified #Technician (#CCT) #Certification #Exam: 100-490: Supporting Cisco #Routing and #Switching #Network #Devices (#RSTECH)
Discover the #skills required to #troubleshoot Cisco #networking and #system #devices at #customer #sites while you prepare to become a Cisco Certified Technician (CCT).
• #Cisco #Certified #Technician (#CCT) #Cert...