Fortinet NSE 3 Associate Exam
- Which layer of the OSI model is responsible for the physical transmission of data?
Option A: Application Layer
Option B: Physical Layer
Option C: Data Link Layer
Option D: Network Layer
Answer: B
Explanation: The Physical Layer transmits the raw bit stream over the physical medium.
- In the TCP/IP model, which layer is equivalent to the OSI Network Layer?
Option A: Application
Option B: Transport
Option C: Internet
Option D: Network Access
Answer: C
Explanation: The Internet layer in TCP/IP corresponds to the OSI Network Layer by handling routing and addressing.
- Which protocol provides error reporting and operational queries in IP networks?
Option A: TCP
Option B: UDP
Option C: ICMP
Option D: ARP 1 / 4
Fortinet NSE 3 Associate Exam
Answer: C
Explanation: ICMP (Internet Control Message Protocol) is used for error reporting and network diagnostics.
- What is the primary function of a router?
Option A: To amplify the signal
Option B: To switch between segments of a network
Option C: To direct data packets between networks
Option D: To encrypt data
Answer: C
Explanation: Routers forward packets based on IP addresses, connecting different networks.
- Which device connects multiple networks and operates at layer 3 of the OSI model?
Option A: Hub
Option B: Switch
Option C: Router
Option D: Bridge
Answer: C
Explanation: Routers operate at layer 3, using IP addresses for routing data between networks.
- What does MAC stand for in networking?
Option A: Main Access Control 2 / 4
Fortinet NSE 3 Associate Exam
Option B: Media Access Control
Option C: Management and Control
Option D: Multi Access Channel
Answer: B
Explanation: MAC stands for Media Access Control; it is used to uniquely identify network interfaces.
- Which protocol translates human-readable domain names into IP addresses?
Option A: DHCP
Option B: DNS
Option C: ARP
Option D: ICMP
Answer: B
Explanation: DNS (Domain Name System) resolves domain names to IP addresses.
- What service dynamically assigns IP addresses to devices on a network?
Option A: DNS
Option B: DHCP
Option C: ICMP
Option D: NAT
Answer: B 3 / 4
Fortinet NSE 3 Associate Exam
Explanation: DHCP (Dynamic Host Configuration Protocol) assigns dynamic IP addresses to network devices.
- Which layer of the OSI model is responsible for routing and logical addressing?
Option A: Physical
Option B: Data Link
Option C: Network
Option D: Application
Answer: C
Explanation: The Network Layer is responsible for routing and logical addressing.
- What does TCP stand for and what is its main advantage?
Option A: Transmission Control Protocol; reliable and connection-oriented
Option B: Transfer Communication Protocol; fast and simple
Option C: Transparent Control Protocol; encryption-based
Option D: Terminal Control Protocol; session management
Answer: A
Explanation: TCP provides reliable, ordered, and error-checked delivery of a stream of bytes.
- Which of the following uses a connectionless protocol?
Option A: TCP
Option B: UDP
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