,1. Which of the following protocols is primarily used to securely
encapsulate IP packets for VPN tunnels?
- A) HTTP
- B) IPsec
- C) FTP
- D) SNMP
- ANS: B) IPsec
2. What layer of the OSI model is mainly responsible for path
determination and logical addressing?
- A) Data Link Layer
- B) Network Layer
- C) Transport Layer
- D) Application Layer
- ANS: B) Network Layer
3. Which of the following is a characteristic feature of a software-
defined network (SDN)?
- A) Decoupling of control and data planes
- B) Lack of configuration flexibility
, - C) Hardware-focused network management
- D) Static routing tables
- ANS: A) Decoupling of control and data planes
4. Ransomware often uses which of the following encryption
types for file encryption?
- A) Asymmetric encryption
- B) Hash encryption
- C) Symmetric encryption
- D) Cleartext encryption
- ANS: C) Symmetric encryption
5. In MPLS networks, what is the purpose of a Label Distribution
Protocol (LDP)?
- A) Assign MAC addresses
- B) Route IP packets
- C) Distribute labels for establishing LSPs
- D) Encrypt data
- ANS: C) Distribute labels for establishing LSPs
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