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
Which IOS QoS mechanism is used strictly to rate limit traffic destinedto the router itself？（）
When configuring a multipoint GRE （mGRE） tunnel interface， which one of the following is NOT a valid configuration option：（）
Which of the following is true about RADIUSV end or Specific Attribute？ （）
Which of the following statements that describe Diffie Hellman Key exchange are correct？ （）
Cisco Clean Access ensures that computers connecting to your network have which of the following？（）
Which access methods can CS-MARS use toget configuration information from an Adaptive SecurityAppliance （ASA）？ （）
Which of the following is an example of a security technology that could be enabled by Netflow？（）
With PGP， which of the following entity signs a users’s public key？（）
In an L2TP voluntary tunneling scenario， the VPDN tunnel is terminated between：（）
When implementing internet standards you are required to follow RFC’s processes and procedures based onwhat RFC？（）