Question 1

Which is a physical layer standard for serial communications between two or more devices?

Options :

A : RS232

B : RS235

C : RS432

D : RS485

Answer: D

Question 2

Which service does an Intrusion Detection System (IDS) provide?

Options :

A : It is the lock on the door for networks and computer systems.

B : It is effective against all vulnerabilities in networks and computer systems.

C : It blocks malicious activity in networks and computer systems.

D : It detects attempts to break into or misuse a computer system.

Answer: D

Question 3

In a defense-in-depth strategy, what is the purpose of role-based access control?

Options :

A : Ensures that users can access systems from remote locations

B : Ensures that users can access only certain devices on the network

C : Ensures that users can access only the functions they need for their job

D : Ensures that users correctly manage their username and password

Answer: C

Question 4

Which type of cryptographic algorithms requires more than one key?

Options :

A : Block ciphers

B : Stream ciphers

C : Symmetric (private) key

D : Asymmetric (public) key

Answer: D

Question 5

Which is a commonly used protocol for managing secure data transmission on the Internet?

Options :

A : Datagram Transport Layer Security (DTLS)

B : Microsoft Point-to-Point Encryption (MPPE)

C : Secure Telnet

D : Secure Sockets Layer (SSL)

Answer: D

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