Basic tools for the bag

General
1

What tools do you suggest for a jr network techs? No need to certify cables just basic troubleshooting before scheduling a cable vendor.

https://www.amazon.com/YGGYM-Optical-Function-Universal-Interface/dp/B0974V66PT/ref=sr_1_1?crid=U0SCFOQ07DM0&dib=eyJ2IjoiMSJ9.Luq_pUcf5EunE2jCXNUiAg.t7YIDBsaRWPvHuyVbOxoHWG5YYRSwHu2cWIncosXoVI&dib_tag=se&keywords=guangyan&qid=1764560704&s=industrial&sprefix=guangyan%2Cindustrial%2C98&sr=1-1#averageCustomerReviewsAnchor

https://www.amazon.com/Rechargeable-Multi-Function-Maintenance-Organizer-Telephone/dp/B0D2P4NM3J/ref=sr_1_1?crid=CH8WXS743RTX&dib=eyJ2IjoiMSJ9.zhXBwloSyph6TPJmid-Q0Q.iVjmaPXedxyuIejvub0JsfEaOOFceMbNYgrET-s7gOc&dib_tag=se&keywords=mastfuyi+fy8177&qid=1764560500&s=industrial&sprefix=mastfuyi+fy8177%2Cindustrial%2C91&sr=1-1

https://www.amazon.com/Lunarlipes-Pro3000-Generator-Electrical-Technology/dp/B0D1GGH1YT/ref=sr_1_1_sspa?crid=FLM0QKNM3MLD&dib=eyJ2IjoiMSJ9.eekfAbDtBmTrrJtOtTZZFfhrnvtor9zeYM5DFk_T3O17UU2yWtZzjyOv4uqDvbI5WJ0uvPFQVFvaI22KWQAoipuspJWbTQJhhVpS2sDZwnBRAEEN5jE0a2aj67iwuYQJh_6RMXQeUk9TtrAaHUJ6QRCtIIrPAM5F6IOVPPXyzEribKSfwnxkHLzBI4zq3kTqdOuUEPZ3Uiy6QlIlnYEGlNJlVScVLiw1hmi5-IMyjS-JGSfsdf3VHZeKzqWFoJpfO9DNmaZZoufKLeHds1HDqzPL_jRcjHb25bmPAOgbTj4.eqI7xLjsB8bMhiUUoO18FqcOVQBIDLgDRmh2EtkzpR4&dib_tag=se&keywords=tone+probe&qid=1764561459&s=industrial&sprefix=tone+probe%2Cindustrial%2C105&sr=1-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1