Which of the following TCP dump output lines indicates the first step in the TCP 3-way handshake?

• A.07:09:43.368615 download.net 39904 > ftp.com.21: S
  733381829:733381829(0) win 8760 <mss 1460> (DF)
• B.07:09:43.370302 ftp.com.21 > download.net.39904: S
  1192930639:1192930639(0} ack 733381830 win 1024 <mss
  1460> (DF)
• C.09:09:22.346383 ftp.com.21 > download.net.39904: , rst 1 win
  2440(DF)
• D.07:09:43.370355 download.net.39904 > ftp.com.21: , ack 1 win
  8760 (DF)

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You work as a Network Administrator for NetTech Inc. The company wants to encrypt its e-mails. Which of the following will you use to accomplish this?

• A.IPSec
• B.PPTP
• C.PGP
• D.NTFS

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When using Pretty Good Privacy (PGP) to digitally sign a message, the signature is created in a two-step process. First, the message to be signed is submitted to PGP's cryptographic hash algorithm. What is one of the hash algorithms used by PGP for this process?

• A.Cast
• B.DES
• C.SHA-l
• D.Blowfish

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Which of the following monitors program activities and modifies malicious activities on a system?

• A.RADIUS
• B.NIDS
• C.HIDS
• D.Back door

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Which of the following protocols multicasts messages and information among all member devices in an IP multicast group?

• A.IGMP
• B.ARP
• C.TCP
• D.ICMP

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