我们这是海外项目，要求能够使用英语作为工作语言，你清楚嘛？
    so share we use english for next parts?

    1, What did you do in current job or current project?

    2, Did you develop any tools which assist the maintenance or help to diagnose, troubleshooting, and system optimization, what is it? and how it works?
    Can you introduce some products of distributed arthitecture in current project or former project?

    3, Did you write and share any documents for system maintenance and operation?

    4, Have you met some incident during your admin work? What is the most serious incident in your system maintenance work? or which thing impressed you the most?
    —What is the incident response flow? how to escalate while receive tickets?

    5, Did you ever manage a team?

    General:
    1, Can ou say something intresting in your school life?

    2, what courses did you learn from your univercity? how much you got?

    Cloud
    1, What is your last work on Cloud platform? can you introduce the project to me? and what do you do in the project?
    Answer:
    2, Which type of incidence did you met in Cloud platform? and how did you solve it?
    Answer:

    Linux
    1，How to check the system load and system performance, include resource usage?
    Answer:
    2, What to do in case you access file or operate file, but meet Permission Denied?
    Answer:
    3,
    Answer:

    MySQL
    1，How to process MySQL database high load?
    Answer:
    2, What can you do with Low efficient SQL in MySQL database?
    Answer:
    3, How to transfer a large MySQL database to anather server?
    Answer:

    Network
    1，Can you introduce the OSI seven-layer model and the role of each layer?
    Application Layer
    Session Layer
    Transfer Layer
    Network Layer
    2，Do you know the IP address type ABCD?
    3, What is the different between TCP and UDP
    4, Pls introduce some network service and their ports.
    telnet21 ssh/sftp22 ftp23 http80/8080 https443
    5，Do you know route protocol? can you introduce OSPF and BGP to us?
    OSPF IGP. BGP EGP
    6，What is VxLAN, Why we use VxLAN in Cloud platform?
    VTEP UDP VNI Tunnel，Limitation, management.
    7，What’s overlay, what is the relationship between overlay and underlay?
    Overlay is working on underlay
    8，How to check in case IPSec tunnel establishment failed?
    （1）Access Internet
    （2）Public Route
    （3）Private Route
    （4）IKE SA
    （5）IPsec SA
    （6）NAT Traversal

    Cloud/Virtualization
    1，How to transfer a VM to another cloud?
    Answer: VM — Snapshot — Image — VM