You have an application that communicates by using plain text. You want to secure communications between the application and a server at the network layer. What should you implement?

The correct answer is D. IPsec. Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts the packets of data sent over an Internet Protocol network. It operates at the network (layer 3 in the OSI model) Incorrect Answers: A, C: TLS and SSH are cryptographic protocols

Understanding Network Security

Question

Options

ATLS
BSFTP
CSSH
DIPsec

How the community answered

(18 responses)

A
6% (1)
B
6% (1)
C
11% (2)
D
78% (14)

Explanation

Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts the packets of data sent over an Internet Protocol network. It operates at the network (layer 3 in the OSI model) Incorrect Answers: A, C: TLS and SSH are cryptographic protocols designed to provide communications security over a network. They operate at the application layer, or layer 7 of the OSI model. B: SFTP provides file access, file transfer, and file management over a reliable data stream. It operates at the application layer, or layer 7 of the OSI model. https://en.wikipedia.org/wiki/IPsec https://en.wikipedia.org/wiki/Transport_Layer_Security https://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol

Topics

#IPsec#network layer encryption#transport security#protocol selection

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