Montags and Clarisse's realtionship is weird. If she had not died I think they would have become a lot closer throughout the book. Clarisse seemed to bring out a different side of Montag. They way she would ask him questions and make things for him.
JKS stands for Java KeyStore. It is a repository of certificates (signed public keys) and [private] keys. You can export a certificate stored in a JKS file into a certificate file. You can use the keytool utility found in Java distributions to maintain your JKS trust and key repositories.
vmdk file icon: The vmdk file extension is used for virtual disk files - virtual partition with data and installed operating system (Microsoft Windows, Linux, Mac OS X (macOS), MS-DOS etc.) created and used by VMware to run as a virtual machine (under host operating system).