HTTP, FTP, TCP

IMAP

POP3

SMTP

A method for encrypting data on the internet.

An IP address is a unique numerical label assigned to each device on a network.

A type of computer virus that spreads through networks.

A physical device used to connect to the internet.

IPv4 ប្រើប្រព័ន្ធអាសយដ្ឋាន 64-bit ដែលមានលក្ខណៈពិសេសច្រើនជាង IPv6។

IPv4 គឺជាប្រព័ន្ធអាសយដ្ឋាន 128-bit ដែលបានរចនាឡើងសម្រាប់ការពង្រីកអនាគត។

IPv4 និង IPv6 គឺស្មើគ្នានៅក្នុងការបង្ហាញអាសយដ្ឋាន និងមុខងារ។

IPv4 គឺជាប្រព័ន្ធអាសយដ្ឋាន 32-bit ដែលមានអាសយដ្ឋានកំណត់ ខណៈពេលដែល IPv6 គឺជាប្រព័ន្ធអាសយដ្ឋាន 128-bit ដែលមានអាសយដ្ឋានធំជាង និងមានលក្ខណៈពិសេសបន្ថែម។

Subnetting is used to create smaller networks within a larger network for better management and efficiency.

Subnetting is a method to increase the size of a network.

Subnetting is used to eliminate the need for IP addresses.

Subnetting is a technique for improving internet speed.

2^(32 ប៊ីតHost) - 2

2^(32 ប៊ីតHost) + 2

2^(ប៊ីតHost) * 2

ប៊ីតHost * 2

255.255.255.0

255.255.255.255

255.255.0.0

192.168.1.0

Network security is only about firewalls and antivirus software.

Network security focuses solely on physical security measures.

Network security is irrelevant in modern cloud computing.

Network security is the practice of protecting computer networks from threats and unauthorized access, crucial for safeguarding data and ensuring operational integrity.

Weak passwords

Malware, phishing, denial-of-service attacks, man-in-the-middle attacks, insider threats.

Outdated software

Firewall misconfigurations

A firewall is a physical barrier that prevents unauthorized access to buildings.

A firewall is a device that boosts internet speed by compressing data.

A firewall is a type of antivirus software that removes malware from devices.

A firewall is a network security device that monitors and controls network traffic based on security rules.

Wireless networking គឺជាវិធីមួយក្នុងការតភ្ជាប់ឧបករណ៍ដោយប្រើប្រាស់ខ្សែអុីណឺរ៉ូប៊ីក។

Wireless networking គឺជាវិធីមួយក្នុងការតភ្ជាប់ឧបករណ៍ទៅកាន់បណ្តាញដោយមិនមានខ្សែភ្លើង, ប្រើប្រាស់រ៉ាឌីយោវ៉េឬសញ្ញាអ៊ីនហ្វ្រារ៉េដ។

Wireless networking ត្រូវបានប្រើប្រាស់តែសម្រាប់ឧបករណ៍ចល័ត។

Wireless networking ត្រូវការខ្សែភ្លើងសម្រាប់ការតភ្ជាប់។

Advantages of wireless networks include flexibility, ease of installation, mobility, elimination of physical cables, and support for multiple devices.

Higher security risks due to lack of encryption

Increased installation costs

Limited device compatibility

The 2.4 GHz band has a higher speed than the 5 GHz band.

The 2.4 GHz band is better for range, while the 5 GHz band is better for speed.

The 2.4 GHz band is less prone to interference than the 5 GHz band.

The 5 GHz band is better for long-range connections.

Network troubleshooting is only necessary for wireless connections.

Network troubleshooting is the process of creating new network protocols.

Network troubleshooting is the process of diagnosing and resolving issues in a computer network.

Network troubleshooting involves setting up new hardware without testing.

ftp

ssh

ping, traceroute, ipconfig/ifconfig, netstat, nslookup, Wireshark, telnet, nmap

httpd

A clipping cable is used for high-voltage connections.

A clipping cable is a permanent power supply cable.

A clipping cable is a type of audio cable without clips.

A clipping cable is a temporary connection cable with clips for easy attachment.

Standard, Heavy-Duty, Flexible, Specialty

Industrial, Residential, Commercial, Portable

Lightweight, Ultra-Light, Standard, Custom

Basic, Advanced, Premium, Economy

Use a cable cutter to cut the cable, strip the insulation, arrange the wires, insert into an RJ45 connector, and crimp.

Solder the wires directly to the router without a connector.

Twist the wires together and tape them up.

Use scissors to cut the cable and leave the wires exposed.

A router stores data packets for later use.

A router directs data packets between networks and connects multiple devices.

A router amplifies signals to extend network range.

A router manages power supply to network devices.

The function of a switch in networking is to connect devices within a LAN and forward data based on MAC addresses.

To connect devices across different networks and route data based on IP addresses.

To amplify signals and extend the range of a network connection.

To provide wireless connectivity to devices in a LAN.