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