Computer Knowledge Quiz 7 January 9, 2024 by Rabbani Mohd /15 2 Computer Knowledge Quiz 7 Computer Knowledge Quiz 7 1 / 15 Which layer of the OSI model is responsible for end-to-end communication and data integrity? Presentation Layer Transport Layer Data Link Layer Network Layer 2 / 15 What is the purpose of NAT (Network Address Translation) in a router? Converting private IP addresses to public IP addresses Managing domain names Translating MAC addresses to IP addresses Assigning IP addresses to devices 3 / 15 What is the purpose of a VPN (Virtual Private Network) in networking? Establishing a secure, private connection over the internet Assigning IP addresses Managing domain names Filtering network traffic 4 / 15 Which of the following is a protocol used for sending emails to a mail server? HTTP (Hypertext Transfer Protocol) POP3 (Post Office Protocol version 3) IMAP (Internet Message Access Protocol) SMTP (Simple Mail Transfer Protocol) 5 / 15 What is the primary function of a DNS server in a network? Filtering network traffic Translating domain names to IP addresses Allocating IP addresses Managing routing tables 6 / 15 What is the primary purpose of QoS (Quality of Service) in networking? Managing network traffic to meet specific requirements Ensuring network security Assigning IP addresses dynamically Improving data transfer speed 7 / 15 Which of the following is a common protocol used for real-time communication, such as voice and video calls, over the internet? Filtering network traffic Ensuring secure connections Assigning IP addresses Diagnosing network issues and sending error messages 8 / 15 What is the purpose of a MAC address in networking? Assigning IP addresses Identifying a device on the internet Filtering network traffic Uniquely identifying a network interface card (NIC) 9 / 15 Which protocol is used for secure communication over the internet, especially for web browsing? FTP Telnet SNMP HTTPS 10 / 15 Which layer of the OSI model is responsible for logical addressing, routing, and path determination? Network Layer Application Layer Data Link Layer Transport Layer 11 / 15 Which of the following is a common protocol used for real-time communication, such as voice and video calls, over the internet? DNS FTP VoIP (Voice over Internet Protocol) SMTP 12 / 15 What is the purpose of ICMP (Internet Control Message Protocol) in networking? Ensuring secure connections Assigning IP addresses Diagnosing network issues and sending error messages Filtering network traffic 13 / 15 Which of the following is a stateful firewall? Packet-filtering firewall Stateless firewall Proxy firewall Circuit-level gateway 14 / 15 Which networking device operates at the Physical Layer of the OSI model and regenerates signals? Hub Switch Router Repeater 15 / 15 What is the role of DHCP (Dynamic Host Configuration Protocol) in a network? Assigning static IP addresses Configuring domain names Dynamically assigning IP addresses to devices Managing network security Your score is 0% Restart quiz
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