CTE Network Security & Protocols 3

Question 1

An attacker intercepts and relays communications between two parties without either knowing. What type of attack is this?

Accepted Answer

Man-in-the-Middle (MitM) attack

Answer

A Man-in-the-Middle attack positions the attacker between two communicating parties to intercept or alter traffic.

Question 2

Which protocol is used to securely distribute and manage encryption keys in IPsec VPNs?

Accepted Answer

IKE (Internet Key Exchange)

Answer

IKE (Internet Key Exchange) handles secure key negotiation and management for IPsec security associations.

Question 3

What is the primary purpose of a DMZ (Demilitarized Zone) in a network architecture?

Accepted Answer

To host public-facing services isolated from internal networks

Answer

A DMZ hosts public-facing servers (web, email) in a zone isolated from the internal network to limit breach impact.

Question 4

Which SNMP version introduced authentication and encryption to address the security weaknesses of earlier versions?

Accepted Answer

SNMPv3

Answer

SNMPv3 added user-based authentication (MD5/SHA) and DES/AES encryption, addressing the clear-text vulnerabilities of v1 and v2c.

Question 5

A telecom executive reviews a network diagram showing traffic being routed through inspection engines before reaching its destination. What security device architecture is this?

Accepted Answer

Next-Generation Firewall (NGFW) inline deployment

Answer

An inline NGFW intercepts and inspects all traffic before forwarding it, enabling deep packet inspection and policy enforcement.

(CTE) Certified Telecommunications Executive Practice Test

(CTE) Certified Telecommunications Executive Practice Test

CTE Network Security & Protocols 3