Network Services Quiz (DNS, DHCP, …)

1. Which network services protocol uses both TCP & UDP Ports?

2. Which ones of below are valid type of DNS queries?

3. Which type of NAT allows one-to-one mapping between local and global addresses?

4. Which of the following is the address before translation?

5. PAT Address Translation is also termed what?

6. DNS belongs to which layer of OSI Model?

7. Which Network Services protocol uses the UDP Port 57, 58, 67, 68 ?

8. Which ones of below are valid DHCP operation steps?

9. How many NTP Stratum levels are there in total?

10. Which stratum level is considered as most accurate in NTP?