CCNA: Cisco Certified Network Associate Free Practice Exam Questions

763 real CCNA: Cisco Certified Network Associate exam questions with answers and AI explanations. Cisco certification prep — page 70 of 77.

1. Question 1230: What does a switch do when it receives a frame whose destination MAC address is missing from the MAC address table?
2. Question 1233: Which port security violation mode allows from valid MAC addresses to pass but blocks traffic from invalid MAC addresses?
3. Question 1234: Which command must be entered when a device is configured as an NTP server?
4. Question 1235: What are two differences between optical-fiber cabling and copper cabling? (Choose two.)
5. Question 1240: Which wireless security protocol relies on Perfect Forward Secrecy?
6. Question 1241: Which WAN topology provides a combination of simplicity quality, and availability?
7. Question 1242: Which property is shared by 10GBase-SR and 10GBase-LR interfaces?
8. Question 1246: Which type of IPv6 address is similar to a unicast address but is assigned to multiple devices on the same network at the same time?
9. Question 1248: Which two REST API status-code classes represent errors? (Choose two.)
10. Question 1249: Which definition describes JWT in regard to REST API security?