role that it played in German dominance early in the war. How did the machine work to encrypt the messages of the German military? Quick Quiz: _________ key encryption uses the same key to encrypt the message as to decrypt it. (Answer: Symmetric) A(n) __________ is a procedure for encrypting or decrypting a message. (Answer: cryptographic algorithm) WHAT DO YOU THINK? 053100 Have you ever accessed a free WLAN? a. Yes b. No c. Not sure 053200 Do you believe that rogue WLANs can survive alongside for-profit broadband ISPs? a. Yes b. No c. Not sure 053300 Are broadband providers justified in limiting the terms of their service agreements to “one subscription, one customer”? a. Yes b. No c. Not sure Glossary of Key Terms AES, 285 DHCP, 255 Application server, 249 Drive mapping, 276 Bandwidth, 251 Encryption, 285 Bluetooth, 267 Ethernet, 258 Bridge, 250 Ethernet adapter, 261 Broadband, 251 File server, 249 Bus topology, 250 Gateway, 251 Ciphertext, 285 Handshaking, 252 Circuit switching, 253 HomePNA, 257 Client/server mode, 249 Infrared 265 Communications channel, 251 IP address, 255 Communications protocol, 252 LAN, 247 Cryptographic algorithm, 285 LAN jacking, 282 Cryptographic key, 285 LAN party, 280 CSMA/CD, 259 MAC address, 254 Decryption, 285 MAN, 247
role that it played in German dominance early in the war. How did the machine work to encrypt the messages of the German military? Quick Quiz: _________ key encryption uses the same key to encrypt the message as to decrypt it. (Answer: Symmetric) A(n) __________ is a procedure for encrypting or decrypting a message. (Answer: cryptographic algorithm) WHAT DO YOU THINK? 053100 Have you ever accessed a free WLAN? a. Yes b. No c. Not sure 053200 Do you believe that rogue WLANs can survive alongside for-profit broadband ISPs? a. Yes b. No c. Not sure 053300 Are broadband providers justified in limiting the terms of their service agreements to “one subscription, one customer”? a. Yes b. No c. Not sure Glossary of Key Terms AES, 285 Application server, 249 Bandwidth, 251 Bluetooth, 267 Bridge, 250 Broadband, 251 Bus topology, 250 Ciphertext, 285 Circuit switching, 253 Client/server mode, 249 Communications channel, 251 Communications protocol, 252 Cryptographic algorithm, 285 Cryptographic key, 285 CSMA/CD, 259 Decryption, 285 DHCP, 255 Drive mapping, 276 Encryption, 285 Ethernet, 258 Ethernet adapter, 261 File server, 249 Gateway, 251 Handshaking, 252 HomePNA, 257 Infrared 265 IP address, 255 LAN, 247 LAN jacking, 282 LAN party, 280 MAC address, 254 MAN, 247
Chapter.05.docx