best network cable tester

Millet Notebook air can be directly plugged into the Internet network ? First look at the two-sided Millet notebook air interface, you can see only 2 USB 3.0 interface, 1 HDMI high-definition video interface, 1 standard headphone/mac interface, no other interface for the first time, as shown in the picture. Millet notebook Air Expansion interface diagram As can be seen from the above, the Millet notebook Air expansion interface is relatively

Network Cable Procedure section: One, PC even hub A-end: (Standard 568B): White orange, orange, white green, blue, white blue, green, white brown, Brown. B-end: (Standard 568B): White orange, orange, white green, blue, white blue, green, white brown, Brown. Second, PC connected PC A-end: (568A): White green, green, white orange, blue, white blue, orange, white brown, Brown; B-end: (Standard 568B): White

e1:64k-2mbps. X25: The maximum rate is 64kbps. Frame Relay: Using E1 circuit, the rate can be from 64k to 2mbps. V24: The router end is a DB50 connector and the external network end is a 25-pin connector. In asynchronous working mode, the encapsulated Link layer protocol PPP, which supports network layer protocol IP and IPX, has a maximum transmission rate of 115200bps; In sync, you can encapsulate lin

Terrible! Hackers can also steal your data by disconnecting the network cable. Once a computer is infected with viruses or Trojans, most people first think of "disconnecting the network cable first" to avoid the theft of confidential data through the Internet channel. However, according to research by security exper

Label: style Io color ar SP data on 2014 line Once a computer is infected with viruses or Trojans, most people first think of "disconnecting the network cable first" to avoid the theft of confidential data through the Internet channel. However, according to research by security experts, even if the network cable is d

There are three types of cables used for network connection: coaxial cable, twisted pair cable, and optical cable.There are two kinds of coaxial cables: coarse cables and fine cables. However, because the network topology of coaxial cables is ring-type, this network expansio

First found that the online number of people dropped, and then to the machine, a look at the message information scare jumpHurry to contact the computer room to see the network card lamp and network cable situation, found that the cable is loose caused.[13642011.414819] Bnx2:eth0 NIC Copper Link is up, with a full dupl

Two h3c S5500 switch with a network cable directly connected, can be used normally, but after the trunk, or the cable connection, but found that it does not pass.This network cable, is made up of two network

Unpopular things, search today, it is really useful to share with youRemember the first time to play Raspberry Pi, no monitor can not live, what information to monitorLater a little better, find a router, plug the network cable up, and then into the router interface to get the Raspberry Pi IPThen SSH login to Raspberry Pi1.sudo nano /etc/network/interfaceConfigur

2016-05-31 13:25:45Topic Link: Rokua P1273 cable TV networkMain topic:Take as many leaf nodes as possible on a given tree of weights, making sigma (val[selected leaf node])-sigma (cost[)) >=0Solution:Tree-like DP backpack DPDP[I][J] represents the maximum profit obtained by selecting J leaf nodes for the subtree of the root of the I node.Transfer equationDp[i][j]=max (Dp[i][j],dp[i][j-k]+dp[son][k]-cost[son][i]);Places to be aware ofWhen writing the i

Dual-system Ubuntu10.04 can access the internet. Win7 showed that the network cable was pulled out. Xiao Zhong installed Ubuntu10.04 i686 on the computer in the lab to play with KVM. After installation, the experience was quite good, the installation of various software packages can be easily found in the ubuntu software library. The only drawback is that the sound card does not sound well, and xiaozhong is

A pay cable TV network plans to relay an important football match. Their broadcast network and user terminal constitute a tree structure, the root node of the tree is located at the scene of the football match, the leaves for each user terminal, and other transit points for the tree's internal nodes.Signal transmission costs from the retransmission station to the

Generally, the theoretical distance of Category 5 network cables cannot exceed 100 meters. If the network cable is too long or light, the signal is unstable, and the Internet access speed is slow. If the network cable is heavy, there is no signal. To address this problem, I

When we use computers for work, study and recreation, what are the most feared things to encounter? I think there are a lot of users will say that the network has broken the problem, that is, the computer desktop in the lower right corner of the local connection shows the network cable did not plug the good tips, why this situation? A lot of XP SP3 system users w

1. The internal mechanism by which Linux performs write on the socket. It may involve some basic I/O mechanisms, and I can't figure out what's going on, running server and client separately, and then terminating the server so that client continues to write to the already established socket connection, and the first write successfully returns , the second execution process exits without any hint, and there's no return. Answer: After the server process is aborted, the socket is closed and fin is s

The internet cafes of penguin countries are connected by network cables to form a tree structure. Now that the winter is up, the heating sector lacks fuel, so they decide to dismantle some of the cables to make fuel. But now there are K penguins to surf the internet and others online games, so they need to put this K-Penguin into different room (two penguins in the same room will quarrel), and then remove some net