Install and Manage Network Protocol

Instruction: Select the correct answer for each of the 20 questions regarding network protocols and the OSI model.

1. Which network protocol is used for secure remote command-line access to servers?

A) SSH
B) FTP
C) Telnet
D) SMTP

2. In the OSI model, which layer is responsible for the physical connection and raw bit streams?

A) Data Link Layer
B) Physical Layer
C) Network Layer
D) Session Layer

3. What is the primary purpose of the DHCP protocol?

A) Resolving domain names
B) Encrypting web traffic
C) Dynamic assignment of IP addresses
D) Sending emails

4. Which IPv4 class has a range of 192.0.0.0 to 223.255.255.0?

A) Class A
B) Class B
C) Class D
D) Class C

5. Which testing objective focuses on identifying speed and responsiveness?

A) Performance Testing
B) Security Testing
C) Functionality Testing
D) Usability Testing

6. What does the "Validation" process confirm?

A) That the code is written correctly
B) That the service meets intended user requirements
C) That the hardware is brand new
D) That the budget is sufficient

7. Which protocol translates human-readable domain names into IP addresses?

A) HTTP
B) FTP
C) DNS
D) SNMP

8. Which layer of the TCP/IP model corresponds to the OSI Network Layer?

A) Link Layer
B) Transport Layer
C) Application Layer
D) Internet Layer

9. Which protocol ensures reliable, ordered, and error-checked delivery of data?

A) TCP
B) UDP
C) IP
D) ICMP

10. What is a "Private IP Address"?

A) An address routable on the public internet
B) An address reserved for internal networks
C) An address that never changes
D) A 128-bit hexadecimal number

11. In the context of the OSI model, which layer handles encryption and data formatting?

A) Session Layer (Layer 5)
B) Application Layer (Layer 7)
C) Presentation Layer (Layer 6)
D) Network Layer (Layer 3)

12. What is the binary bit length of an IPv6 address?

A) 32 bits
B) 64 bits
C) 256 bits
D) 128 bits

13. Which command is used on a Windows CMD to verify the current IP configuration?

A) ipconfig
B) ping
C) netstat
D) tracert

14. Which protocol is primarily used for monitoring and managing network devices?

A) SMTP
B) SNMP
C) POP3
D) IMAP

15. What does the "Transport Layer" provide in both models?

A) Physical hardware addressing
B) Framing and data integrity
C) End-to-end communication and error recovery
D) Routing between different networks

16. Which protocol is used to receive emails and typically leaves the mail on the server?

A) SMTP
B) POP3
C) HTTP
D) IMAP

17. Which IPv4 class is reserved for multicast groups?

A) Class D
B) Class B
C) Class C
D) Class E

18. What process involves dividing a network into smaller, manageable sub-networks?

A) Routing
B) Subnetting
C) Encapsulation
D) Switching

19. Which protocol is used specifically for real-time audio and video streaming (VoIP)?

A) SFTP
B) DNS
C) RTP
D) SQL

20. What is the role of NAT (Network Address Translation)?

A) To resolve hostnames to IPs
B) To encrypt data at the transport layer
C) To manage print requests
D) To allow multiple internal devices to share one public IP

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Network Protocols Exam (M03)

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