单项选择题
A. group 3 B. group 1 C. group 5 D. group 7
Whataretheheadersizesforpoint-to-pointandmulti-pointGRE...
单项选择题What are the header sizes for point-to-point and multi-point GRE（also known asmGRE） with tunnel key？（）
A. 4 bytes for both B. 4 bytes， and 8 bytes respectively C. 8 bytes for both D. 24 bytes for both
Whichonesarethetwotypeofciphers？（）A. Blocking cipher an...
单项选择题Which ones are the two type of ciphers？（）
A. Blocking cipher andnon-blocking cipher B. CBC cipher and EBC cipher C. Block cipher and Stream cipher D. Blocker cipher and Streamer cipher E. 3DES cipher and AES cipher
WhichSSLprotocoltakesanapplicationmessagetobetransmitte...
单项选择题Which SSL protocol takes anapplication message tobe transmitted， fragments the datainto manageable blocks， optionally compresses the data， applies a MAC， encrypts， adds a header， and transmits the resulting unit ina TCPsegment？（）
A. SSL Handshake Protocol B. SSLAlert Protocol C. SSL Record Protocol D. SSL Change CipherSpec Protocol
