Is this fiber optic cable suitable for plenum installations and high-speed networking?

Yes. The cable is constructed with OFNP plenum-rated material, and the product overview states that it supports 100Gbps.

What type of fiber and connector configuration does this cable use?

This cable is an OS2 single mode 9/125um fiber optic cable with a 24-fiber MTP/MPO Type-B connector and an MTP/APC female connector detail.

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StarTech 2m (6.6ft) MTP/MPO Fiber Optic Cable - 24F Type-B - OS2 Single Mode MTP/APC Female Fiber Jumper - 9/125 - OFNP Plenum - OS2MTP24BOFNP2M