diff --git a/year4/semester2/CT420/materials/5-QUIC Logging.pdf b/year4/semester2/CT420/materials/5-QUIC Logging.pdf new file mode 100644 index 00000000..86d5399a Binary files /dev/null and b/year4/semester2/CT420/materials/5-QUIC Logging.pdf differ diff --git a/year4/semester2/CT420/materials/mcq.pdf b/year4/semester2/CT420/materials/mcq.pdf deleted file mode 100644 index d14da51b..00000000 Binary files a/year4/semester2/CT420/materials/mcq.pdf and /dev/null differ