Network Administrator Positions
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1. What is the difference between layer 2 and layer 3 in the OSI model ؟
2. What is the difference between a hub, switch, and router ؟
3. What is a VLAN ؟
4. What is the difference between TCP and UDP ؟
5. How do you distinguish a DNS problem from a network problem ؟
6. What are a runt, Giant, and collision ؟
7. What is a broadcast storm ؟
8. What is the purpose of VRRP ؟
9. What is a VPN ؟
10. What is a default route ؟
11. How do you set a default route on an IOS Cisco router ؟
12. What is a metric ؟
13. What is a MAC address ؟
14. What is ARP/RARP ؟
15. Describe a TCP connection sequence.
16. What is MTU ؟
17. What other TCP setting can you modify besides MTU to shorten packets ؟
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