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What is the purpose of DNS (Domain Name System)? Question 1Select one: a. To translate domain names into IP addresses b. To provide secure remote access to a network c. To assign IP addresses to devices on a network d. To authenticate network devices Feedback Your answer is correct. The correct answer is: To translate domain names into IP addresses Question 2 Correct Mark 5.00 out of 5.00 Flag question Question text What is the protocol used for sending emails? Question 2Select one: a. FTP b. POP3 c. IMAP d. HTTP Feedback Your answer is correct. The correct answer is: IMAP Question 3 Correct Mark 5.00 out of 5.00 Flag question Question text Which network topology connects all devices in a ring formation? Question 3Select one: a. Bus b. Star c. Ring d. Mesh Feedback Your answer is correct. The correct answer is: Ring Question 4 Correct Mark 10.00 out of 10.00 Flag question Question text What is the purpose of a MAC address? Question 4Select one: a. To manage network switches and routers b. To encrypt network traffic c. To assign IP addresses to devices d. To identify a specific network interface card (NIC) Feedback Your answer is correct. The correct answer is: To identify a specific network interface card (NIC) Question 5 Correct Mark 5.00 out of 5.00 Flag question Question text Which protocol is used for secure remote access to a network? Question 5Select one: a. SMTP b. SNMP c. FTP d. SSH Feedback Your answer is correct. The correct answer is: SSH Question 6 Correct Mark 5.00 out of 5.00 Flag question Question text What is the purpose of DHCP (Dynamic Host Configuration Protocol)? Question 6Select one: a. To filter unwanted network traffic b. To assign IP addresses to devices on a network automatically c. To manage network switches and routers d. To authenticate network devices Feedback Your answer is correct. The correct answer is: To assign IP addresses to devices on a network automatically Question 7 Correct Mark 5.00 out of 5.00 Flag question Question text What is the purpose of an IP address? Question 7Select one: a. To assign a unique identifier to a device on a network b. To protect against malware c. To establish a wireless connection d. To identify a specific website Feedback Your answer is correct. The correct answer is: To assign a unique identifier to a device on a network Question 8 Correct Mark 5.00 out of 5.00 Flag question Question text Which protocol is used to transfer web pages from a web server to a client's browser? Question 8Select one: a. FTP b. DNS c. HTTP d. Telnet Feedback Your answer is correct. The correct answer is: HTTP Question 9 Correct Mark 5.00 out of 5.00 Flag question Question text Which network topology requires a central device for all devices to connect? Question 9Select one: a. Ring b. Star c. Mesh d. Bus Feedback Your answer is correct. The correct answer is: Star Question 10 Correct Mark 5.00 out of 5.00 Flag question Question text What is the standard security protocol used to encrypt data over the internet? Question 10Select one: a. TLS b. VPN c. SSL d. SSH Feedback Your answer is correct. The correct answer is: TLS Question 11 Correct Mark 5.00 out of 5.00 Flag question Question text Which device is specifically designed to connect multiple computers in a network and forward data packets between them? Question 11Select one: a. Modem b. Firewall c. Switch d. VPN Feedback Your answer is correct. The correct answer is: Switch Question 12 Correct Mark 5.00 out of 5.00 Flag question Question text آی پی ورژن ۶ چند بیتی است؟ Question 12Select one: a. 64 b. 128 c. 32 d. 16 Feedback Your answer is correct. The correct answer is: 128 Question 13 Correct Mark 5.00 out of 5.00 Flag question Question text Which network protocol is used for transferring files between computers? Question 13Select one: a. SSH b. SMTP c. FTP d. DNS Feedback Your answer is correct. The correct answer is: FTP Question 14 Correct Mark 5.00 out of 5.00 Flag question Question text select the Mesh Topology Question 14Select one: a. all computer connect to a router b. each computer and network device is interconnected with one another c. one computer connect to each computer d. A and C is correct Feedback Your answer is correct. The correct answer is: each computer and network device is interconnected with one another Question 15 Correct Mark 5.00 out of 5.00 Flag question Question text what is Disadvantages of Mesh Topology Question 15Select one: a. Manages high amounts of traffic, because multiple devices can transmit data simultaneously b. A failure of one device does not cause a break in the network or transmission of data. c. The cost to implement is higher than other network topologies. d. Adding additional devices does not disrupt data transmission between other devices. Feedback Your answer is correct. The correct answer is: The cost to implement is higher than other network topologies. Question 16 Correct Mark 5.00 out of 5.00 Flag question Question text What is the function of SMTP protocol? Question 16Select one: a. Error checking b. Sending and receiving e-mails c. Data packaging d. Communicate with the router Feedback Your answer is correct. The correct answer is: Sending and receiving e-mails Question 17 Correct Mark 5.00 out of 5.00 Flag question Question text Which device is primarily responsible for directing network traffic? Question 17Select one: a. Modem b. Bridge c. Hub d. Router Feedback Your answer is correct. The correct answer is: Router Question 18 Correct Mark 5.00 out of 5.00 Flag question Question text What do the letters LAN stand for in computer networking? Question 18Select one: a. Link Area Network b. Longitudinal Access Node c. Local Access Network d. Local Area Network Feedback Your answer is correct. The correct answer is: Local Area Network