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