Software Qa Testing Engineer Interview Questions

4,152 software qa testing engineer interview questions shared by candidates

Q1. What is the difference between a router, switch, and bridge? Q2. How would you count the lines in a file that contain the following pattern: 1) the pattern must be in { }, within the { } there can only be alphabets and spaces, 3) there should be at least 1 character within the { }. (This question was later simplified to finding a pattern such as "abc") Q3. There is an internal network behind a firewall using NAT. A host from the internal network sends out a request using UDP to an external server and waits for 10 seconds. The external server takes 7 seconds to send a response which never reaches the internal host. Why doesn't the response reach the internal host? Q4 There is an internal network with 2 hosts behind a firewall using NAT. An internal host 1 sends out UDP requests to an external server. How does the server know to respond to host 1 and not host 2 if the internal IP addresses are not shown due to NAT? Q5. There is a clock. The hour hand takes 24 hours to do 1 full circle while the minute hand takes 60 minutes to do 1 full circle. The time is 10:20. What is the angle between the 2 hands precisely. Q6. If Wireshark was not installed on a host, what other tools would you use for packet capturing?
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Software Dev QA Engineer

Interviewed at Fortinet

3.9
Mar 27, 2019

Q1. What is the difference between a router, switch, and bridge? Q2. How would you count the lines in a file that contain the following pattern: 1) the pattern must be in { }, within the { } there can only be alphabets and spaces, 3) there should be at least 1 character within the { }. (This question was later simplified to finding a pattern such as "abc") Q3. There is an internal network behind a firewall using NAT. A host from the internal network sends out a request using UDP to an external server and waits for 10 seconds. The external server takes 7 seconds to send a response which never reaches the internal host. Why doesn't the response reach the internal host? Q4 There is an internal network with 2 hosts behind a firewall using NAT. An internal host 1 sends out UDP requests to an external server. How does the server know to respond to host 1 and not host 2 if the internal IP addresses are not shown due to NAT? Q5. There is a clock. The hour hand takes 24 hours to do 1 full circle while the minute hand takes 60 minutes to do 1 full circle. The time is 10:20. What is the angle between the 2 hands precisely. Q6. If Wireshark was not installed on a host, what other tools would you use for packet capturing?

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