A. Open mail relays are often used for spamming.
B. ESMTP does NOT provide more security features than SMTP
C. SMTPdoes provide authenticated email sending."
D. Worms often spread via SMTP.
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A. No vulnerable applications or operating systems
B. No viruses or worms
C. Appropriate security applications and patch levels
D. Current IPS signatures
E. Cisco Security Agent
A. pre-sharedkey
B. secure hash
C. SSL
D. RSA signature
A. group 3
B. group 1
C. group 5
D. group 7
A. 4 bytes for both
B. 4 bytes， and 8 bytes respectively
C. 8 bytes for both
D. 24 bytes for both
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
最新試題
When implementing internet standards you are required to follow RFC’s processes and procedures based onwhat RFC？（）
ASDM on the ASA platform is executed as：（）
With PGP， which of the following entity signs a users’s public key？（）
Choose the most correct statements about SMTP/ESMTP. （）
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？（）
Which should be the key driver for a company security policy’s creation， implementation and enforcement？（）
Which of these is the best way to provide sender non-repudiation？（）
CSA protects your host by： （）
In an L2TP voluntary tunneling scenario， the VPDN tunnel is terminated between：（）
Select the two correctstatements from the list below that describe DES and 3DES： （）