Question 1TCP and UDP
A web download over TCP loses one segment in transit. How does TCP recover?
The CCNA exam format and topics
The exam lasts 120 minutes and tests six areas of exam topics v1.1. Cisco publishes the time and the weights, but not the number of questions.
| Exam | 200-301, exam topics v1.1 |
|---|---|
| Time | 120 minutes |
| Fee | US$300 |
| Results | Pass or fail, online within 48 hours |
| Languages | English and Japanese |
| Delivery | Pearson VUE test center or online proctoring |
The six areas and their weights
| Area | Weight |
|---|---|
| 1. Network Fundamentals | 20% |
| 2. Network Access | 20% |
| 3. IP Connectivity | 25% |
| 4. IP Services | 10% |
| 5. Security Fundamentals | 15% |
| 6. Automation and Programmability | 10% |
What each area covers
- Network Fundamentals: components, topologies, cabling, TCP and UDP, IPv4 subnetting, IPv6, wireless, virtualization and switching.
- Network Access: VLANs, trunks, CDP and LLDP, EtherChannel, Rapid PVST+, wireless architectures and device management access.
- IP Connectivity: the routing table, forwarding decisions, IPv4 and IPv6 static routes, single-area OSPFv2 and first hop redundancy.
- IP Services: NAT, NTP, DHCP and DNS, SNMP, syslog, QoS, SSH, TFTP and FTP.
- Security Fundamentals: threats, passwords and AAA, IPsec VPNs, ACLs, Layer 2 security and wireless security.
- Automation and Programmability: controller-based networking, AI in operations, REST APIs, Ansible and Terraform, and JSON.
Our practice exams
Cisco does not publish the number of questions. Our practice exams set 100 questions in the full 120 minutes, split across the areas by their weights, so you practice the pace the topics demand.
Try 3 questions
Question 2JSON
An API returns {"mtu": "1500", "speedMbps": 1000}. Which statement about the two values is correct?
Question 3QoS per-hop behavior
Which queuing method gives voice a strict priority queue while other classes share the remaining bandwidth?
Next step
Questions people ask
How many questions are on the CCNA exam?
Cisco does not publish the number. It publishes the time, 120 minutes, and the weight of each of the six topic areas.
Which area carries the most weight?
IP Connectivity, at 25% of the exam topics. Network Fundamentals and Network Access follow at 20% each.
How much does the CCNA exam cost?
US$300 per attempt, or Cisco Learning Credits. Exam Safeguard Plus costs US$450 and includes a second attempt within 90 days.