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Objective 5.3
Plan for Network Protocol Security
18-19
Objective 5.3 Questions
1.
Which of the following fields in an Internet Protocol (IP) header specifies
the protocol
that generated the information carried in the datagram?
A. Protocol
B. Source Port
C. Destination Port
D. Next Header
2.
Which of the following elements does not use code numbers assigned by the
Internet
Assigned Numbers Authority (IANA)?
A. Protocol codes
B. Well-known port numbers
C. Ephemeral port numbers
D. Ethertypes
3.
You are creating a new IPSec policy to encrypt the e-mail traffic on your
network. The
network has a Post Office Protocol, version 3 (POP3) server from which
clients retrieve
incoming mail and a Simple Mail Transfer Protocol (SMTP) server to which
they send
their outgoing mail. Which of the following well-known port numbers should
you
specify in the policy’s filter list? (Choose all that apply.)
A. 80
B. 110
C. 25
D. 53
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