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Question 49 - JN0-280 discussion

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MACsec provides protection against which two types of threats? (Choose two.)

A.

Data decryption

Answers
A.

Data decryption

B.

Playback attacks

Answers
B.

Playback attacks

C.

Hashing attacks

Answers
C.

Hashing attacks

D.

Man-in-the-middle attack

Answers
D.

Man-in-the-middle attack

Suggested answer: B, D

Explanation:

MACsec (Media Access Control Security) provides data confidentiality, integrity, and origin authenticity at Layer 2, protecting against several types of threats.

Step-by-Step Breakdown:

Man-in-the-Middle Attack Protection:

MACsec encrypts traffic at Layer 2, preventing man-in-the-middle attacks where an attacker intercepts and manipulates traffic between two communicating devices. Since the data is encrypted, any intercepted packets are unreadable.

Protection Against Playback Attacks:

MACsec also protects against playback attacks by using sequence numbers and timestamps to ensure that old, replayed packets are not accepted by the receiver.

Juniper

Reference:

MACsec Configuration: Juniper devices support MACsec for securing Layer 2 communications, ensuring protection against replay and man-in-the-middle attacks in sensitive environments.

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asked 10/10/2024
Nichal Maharaj
46 questions
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