A message "COMPUTER NETWORK" encrypted (ignore quotes) using columnar transposition cipher with a key "LAYER". The encrypted message is :

Explanation

Key LAYER gives column order L = 3, A = 1, Y = 5, E = 2, R = 4. Writing the message row-wise: C O M P U T E R N E T W O R K Reading columns in order 1 (A), 2 (E), 3 (L), 4 (R), 5 (Y): OEW PNR CTT UEK MRO. Encrypted message: OEWPNRCTTUEKMRO.