Technical Service Representative Interview Questions

2,859 technical service representative interview questions shared by candidates

Technical Round: -Difference between PUT and POST -Sequence Numbers, dup ACks, TCP retransmission -IPSEC Stages -What is a transparent Proxy? -What happens if TCP SYN is dropped -SAML - How does SP verify that that this is IdP and client -SNI in SSL -What is MSS and Window size -How is Trust established in certificates -High level question on usage of HAR/Fiddler/Wireshark -Steps to troubleshoot performance issue Round2:Managerial -What do you know about Zscaler -What are the responsibilities of TAM -Technical: The interviewer shared a packet capture and asked me to troubleshoot performance issue from the pcap -Roleplay:Angry customer whose job is on line because the product rolled out by ZS has a bug, all the applications are down and they are loosing money. -Strength, weakness -Achievements, Failures
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Technical Account Manager

Interviewed at Zscaler

3.4
Feb 22, 2022

Technical Round: -Difference between PUT and POST -Sequence Numbers, dup ACks, TCP retransmission -IPSEC Stages -What is a transparent Proxy? -What happens if TCP SYN is dropped -SAML - How does SP verify that that this is IdP and client -SNI in SSL -What is MSS and Window size -How is Trust established in certificates -High level question on usage of HAR/Fiddler/Wireshark -Steps to troubleshoot performance issue Round2:Managerial -What do you know about Zscaler -What are the responsibilities of TAM -Technical: The interviewer shared a packet capture and asked me to troubleshoot performance issue from the pcap -Roleplay:Angry customer whose job is on line because the product rolled out by ZS has a bug, all the applications are down and they are loosing money. -Strength, weakness -Achievements, Failures

They asked me to provide confidential information—including company details and client references from my previous employer—which is not something I can legally or ethically share. Requests of this nature raise concerns about the company’s understanding of proper hiring practices and confidentiality standards.
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Technical Account Manager (TAM)

Interviewed at Zscaler

3.4
Dec 9, 2025

They asked me to provide confidential information—including company details and client references from my previous employer—which is not something I can legally or ethically share. Requests of this nature raise concerns about the company’s understanding of proper hiring practices and confidentiality standards.

They have a type of case study interview during the marathon day. They will ask you tough questions; I can't say how I performed, but I did make sure to illuminate my thought process with specific questions before deciding on an answer.
Nov 12, 2012

They have a type of case study interview during the marathon day. They will ask you tough questions; I can't say how I performed, but I did make sure to illuminate my thought process with specific questions before deciding on an answer.

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