In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-03-29 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
Share
Shulou(Shulou.com)06/02 Report--
Labels: Zhang Zhaosen
1, Windows seven layer model from low to high: physical layer, data link layer, network layer,
Transport Layer, Session Layer, Presentation Layer, Application Layer
Applications in the Network
1. The role of ARP protocol: resolve IP address into MAC address
ARP spoofing: Intercepted messages
ARP***: is to make the network unable to access the Internet
2. Query the mac address of the target device through the target ip address to ensure communication.
smooth progress
3. Formation of routing table: manually configured by administrator, automatically learned by dynamic routing protocol
the
4. Directly connected routing is when the IP address is configured on the router excuse and the interface state is up,
where the interface is located.
0.0.0.0 in the default route represents all networks
Access to the network and all kinds of breeding
1, access methods are: traditional, ADSL, wireless, optical fiber, rental digital circuits and so on
2, ADSL than the traditional advantages: telephone, Internet access two do not interfere.
High-speed transmission, safe and reliable, exclusive bandwidth, easy installation, affordable
3. ssid: is the name identification of wlan and the most basic identification mechanism of wireless network.
What is WLAN?
wlan: radio waves, lasers, infrared rays, etc. instead of wired local area network part or
All transmission media constitute a wireless local area network wlan
2. Advantages: convenient installation, flexible use, economical saving, easy to expand
Disadvantages: Deficiencies in safety
Wireless network technology includes: 3G technology and 4G technology
5. Mainstream 3G operators include: China Mobile, China Unicom and Telecom
Mainstream 4G technologies include LTE-Advanced and Wireless MAN-Advanced.
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.