Quiz 1 netcentric

Which protocol is used for streaming audio and video over the Internet?

• RTP

  
  

• TCP/IP

• SMTP

• UDP

Which protocol is used for email transmission between mail servers?

• TCP

• UDP

• SMTP

• POP3

Which network layer protocol is used for dynamically assigning IP addresses to devices on a network?

• DHCP

• ARP

• ICMP

• DNS

Which layer of the OSI model provides services for directory and naming services?

• Application

• Presentation

• Session

• Transport

What is the difference between a hub and a switch in networking?

• A hub operates at the physical layer and broadcasts data to all devices on the network, while a switch operates at the data link layer and forwards data only to the intended recipient.

• A hub operates at the data link layer and forwards data only to the intended recipient, while a switch operates at the physical layer and broadcasts data to all devices on the network.

• A hub and a switch perform the same function in networking.

• A hub and a switch are both used for wireless networking.

What is the purpose of a subnet mask in a computer network?

• The purpose of a subnet mask is to uniquely identify a device on a network and enable it to communicate with other devices.

• The purpose of a subnet mask is to only monitor outgoing network traffic

• The purpose of a subnet mask is to provide unlimited access to all incoming and outgoing network traffic

• The purpose of a subnet mask is to define the network and host portions of an IP address.

What is the purpose of MAC address in computer networking?

• The purpose of MAC address is to uniquely identify a device on a network and enable it to communicate with other devices.

• The purpose of MAC address is to only monitor outgoing network traffic

• The purpose of MAC address is to provide unlimited access to all incoming and outgoing network traffic

• The purpose of MAC address is to enhance the speed of network traffic

What is the function of a firewall in a computer network?

• The function of a firewall in a computer network is to only monitor outgoing network traffic

• The function of a firewall in a computer network is to provide unlimited access to all incoming and outgoing network traffic

• The function of a firewall in a computer network is to monitor and control incoming and outgoing network traffic based on predetermined security rules, acting as a barrier between trusted and untrusted networks.

• The function of a firewall in a computer network is to enhance the speed of network traffic

What is the function of TCP in computer networking?

• TCP is responsible for encrypting data in computer networking

• TCP is used for compressing data in computer networking

• TCP is used for routing data in computer networking

• TCP is responsible for establishing and maintaining a connection between two devices on a network, ensuring that data packets are delivered in the correct order and without errors.

Which network layer protocol is used for diagnosing network connectivity issues and testing reachability?

• ICMP

• SNMP

• DHCP

• ARP