Redes de datos Quiz

What are the two main data transmission methods used in computer networks?

• Analog transmission, Digital transmission

• Analog signal, Digital signal

• Serial transmission, Parallel transmission

• Optical transmission, Wireless transmission

Which network protocol is used for sending and receiving email messages?

• TCP

• SMTP

• FTP

• HTTP

What is the purpose of IP addressing in computer networks?

• IP addressing is used to prioritize network traffic in computer networks.

• IP addressing is used to determine the physical location of devices in computer networks.

• IP addressing is used to encrypt data in computer networks.

• The purpose of IP addressing in computer networks is to uniquely identify devices and enable communication between them.

What are the three main components of network security?

• firewalls, antivirus software, and encryption

• password protection, physical security, and data backup

• network monitoring, vulnerability scanning, and incident response

• prevention, detection, and response

Which wireless network standard provides the highest data transfer rate?

• Wi-Fi 6 (802.11ax)

• Wi-Fi 4 (802.11n)

• Wi-Fi 5 (802.11ac)

• Bluetooth 5.0

What is the difference between half-duplex and full-duplex transmission?

• Half-duplex transmission allows simultaneous data transmission in both directions, while full-duplex transmission allows data transmission in only one direction.

• Half-duplex transmission allows data transmission in both directions but not simultaneously, while full-duplex transmission allows simultaneous data transmission in both directions.

• Half-duplex transmission allows data transmission in both directions simultaneously, while full-duplex transmission allows data transmission in only one direction.

• Half-duplex transmission allows data transmission in only one direction, while full-duplex transmission allows data transmission in both directions.

Which network protocol is used for transferring files between computers?

• TCP

• FTP

• SMTP

• HTTP

What is the subnet mask used for in IP addressing?

• The subnet mask is used to encrypt the IP address.

• The subnet mask is used to divide an IP address into network and host portions.

• The subnet mask is used to increase the speed of data transmission in IP addressing.

• The subnet mask is used to determine the physical location of the IP address.

What are the common types of wireless network security protocols?

• WEP, WPA, WPA2

• WPA3, WPA4, WPA5

• WPA+, WPA-, WPA*

• WEP2, WEP3, WEP4

What is the purpose of a firewall in network security?

• The purpose of a firewall in network security is to establish a barrier between a trusted internal network and an untrusted external network, preventing unauthorized access and protecting against potential threats.

• The purpose of a firewall in network security is to encrypt all network traffic.

• The purpose of a firewall in network security is to allow unrestricted access to all networks.

• The purpose of a firewall in network security is to slow down internet speed.