1. What is the purpose of a DHCP server in networking? Dynamically assigning IP addresses to devices Translating domain names into IP addresses Providing a path for traffic to exit the local network Assigning public IP addresses to devices 2. What is the primary purpose of a gateway in networking? Providing a path between different networks or protocols Encrypting data traffic Assigning IP addresses to devices Translating between private and public IP addresses 3. What is the purpose of a VLAN (Virtual Local Area Network) in networking? Separate a physical network into multiple logical networks Assign IP addresses to devices Manage network routing Encrypt data traffic 4. Which of the following IP address ranges is reserved for multicast communication? 169.254.0.0 – 169.254.255.255 224.0.0.0 – 239.255.255.255 10.0.0.0 – 10.255.255.255 192.168.0.0 – 192.168.255.255 5. In a network, what does the term “collision domain” refer to? A segment of the network where data collisions can occur A network segment with a single device A network topology with a circular arrangement of devices A group of devices sharing the same network resources 6. What is the purpose of NAT (Network Address Translation) in a network? Identifying the network portion of an IP address Encrypting data traffic Translating private IP addresses to public IP addresses Managing network access control 7. Which networking device operates at Layer 2 of the OSI model and makes forwarding decisions based on MAC addresses? Router Gateway Hub Switch 8. What is the purpose of ICMP (Internet Control Message Protocol) in networking? Encrypting data traffic Managing network routing Reporting errors and operational information Resolving domain names to IP addresses 9. Which of the following IP addresses is considered a loopback address, often used for testing network connectivity on a local machine? 10.0.0.1 127.0.0.1 192.168.1.1 172.16.0.1 10. Which networking component operates at Layer 7 of the OSI model and provides a user interface for accessing web resources? Application Layer Hub Router Switch 11. In a TCP/IP network, which port is typically used for secure web communication over HTTPS? 25 80 443 110 12. Which protocol is used for securely accessing a remote server or device over a network connection? SSH FTP DNS SMTP 13. What is the purpose of a MAC address in networking? Provide a path for traffic to exit the local network Assign IP addresses to devices Uniquely identify network interfaces Identify the network portion of an IP address 14. What is the role of a proxy server in a network environment? Assigning IP addresses to devices Managing network routing Encrypting data traffic Providing a central point for authentication and access control 15. Which protocol is responsible for translating domain names into IP addresses? DNS FTP DHCP HTTP 16. What is the purpose of ARP (Address Resolution Protocol) in networking? Resolving MAC addresses to IP addresses Assigning IP addresses to devices Determining the physical location of devices Resolving domain names to IP addresses 17. Which protocol is responsible for dynamically assigning IP addresses to devices in a network? SMTP SNMP DHCP DNS 18. Which networking topology involves a central cable to which all devices are connected in a linear fashion? Mesh Ring Star Bus 19. In networking, what is the primary purpose of Quality of Service (QoS)? Encrypting data traffic Managing network routing Prioritizing and managing network traffic Assigning IP addresses to devices 20. What is the primary function of a firewall in a network? Filter and control network traffic based on security rules Assign IP addresses to devices Translate between private and public IP addresses Encrypt data traffic Loading … Question 1 of 20
