| 41.
|  | CCNP Security Virtual Private Networks SVPN 300-730 Official Cert Guide |
| 42.
|  | CCNP Security Virtual Private Networks SVPN 300-730 Official Cert Guide Premium Edition and Practice Test |
| 43.
|  | Cisco Certified DevNet Associate DEVASC 200-901 Official Cert Guide |
| 44.
|  | Cisco Certified DevNet Professional DEVCOR 350-901 Official Cert Guide |
| 45.
|  | Cisco Certified DevNet Professional DEVCOR 350-901 Official Cert Guide Premium Edition and Practice Test |
| 46.
|  | Cisco Certified Support Technician (CCST) Cybersecurity 100-160 Official Cert Guide |
| 47.
|  | Cisco Certified Support Technician (CCST) Cybersecurity 100-160 Official Cert Guide Premium Edition and Practice Test |
| 48.
|  | Cisco Certified Support Technician CCST Networking 100-150 Official Cert Guide |
| 49.
|  | Cisco Certified Support Technician CCST Networking 100-150 Official Cert Guide Premium Edition and Practice Test |
| 50.
|  | Cisco QOS Exam Certification Guide (IP Telephony Self-Study), 2nd Edition |