used normally, the general router has a control port "console ", it is used to connect to a computer or terminal device and configure a router through specific software. Next, let's take a look at the router's LAN and WAN connection ports.
1. LAN interface
According to the interface name, we can see that these interfaces are mainly used to connect routers and LAN, because the LAN type is also diverse, therefore, the LAN interface type of the router may be diverse. Different networks have di
Next, I will explain the implementation of the SATA host protocol's physical layer.
Is the physical layer structure given in the standard SATA protocol document. It contains the control module, clock data extraction unit, synchronous character source and synchronous character detection module, and analog front-end. The control module coordinates and controls the Logic Functions of the entire physical layer, and provides control signals and status information interfaces to the upstream protocols.
1. Do you see the light on the optical transceiver or optical module and the twisted pair port led?
A, such as the transceiver of the optical port (FX) LED is not lit, please determine if the fiber link is cross link? The fiber jumper is connected in a parallel way and the other end is connected in a cross way.
b, such as a transceiver of the light port (FX)
Center: Used to pad characters on both sides to center the string' The middle is Sssssss '. Center (20)' The middle is LX 'Strip: Delete beginning and end whitespace characters' The middle is LX '. Strip ()' The middle is LX 'names=[' lx ', ' dt ', ' xx '
>> name= ' LX
the top is modified to enumerate the edges to find D value, the complexity of O (N2). In fact, the complexity of the KM algorithm can be achieved O (N3). We give each y vertex a "slack" function slack, which is initialized to infinity each time we start looking for an augmented path. While looking for an augmented path, when checking for edges (i,j), if it is not in the equal sub-graph, let slack[j] become the smaller value of the original value and a [i]+b[j]-w[i,j]. This way, when you modify
Tags: Database file Oracle Hyperlink client serial numberInstalling Oracle under 64-bit Win7 and Win8 can be a hassle, and you'll need to download the appropriate Setup files and environment configuration to get things done.The following are the procedures that I installed:Step 1: Download the files you need to install a. NBSP; download 64-bit Oracle 11g database file (about 2.1G), click the hyperlink download win64_11gr2_oracle.zip b. Download 32-bit Oracle 11g client files (approx
connect to the coarse coaxial cable. It is a "d" Type 15-pin interface, this is one of the most common ports in the ring or bus network. Vro accessibleThe coarse coaxial cable transceiver is connected to the 10base-5 network. However, it is more with the help of external transceiver (AUI-to-RJ-45), to achieve
Network connection. Of course, you can also use other types of
A big copy of the world's questions, okay! Code 1853 just written! Then I found another bipartite graph question to do it. Check and erase it. Isn't it the same (that is, the input format is different )! So I have the courage to submit it. Okay! AC !!!
Small format changes! There is one question like this !!! Even the test instances are the same! Ah ·······
Although I have learned little about the bipartite graph for a long time, I have forgotten a little about it. Today, I have read the learni
vertex of the right collection matches the maximum number of left collection vertices///can also be limit, which represents the maximum number of common constraints that match the left collection vertex, and a binary search for the answer if the element is to be askedBOOLFindpath (intU//Search for augmented paths{ for(inti =1; I 5; ++i) {if(Map[u][i] ! Mask[i]) {Mask[i] =1;if(Vcy[i] //vcy[i] {cy[i][vcy[i]++] = u;return true; } for(intj =0; J //j {if(Findpath (Cy[i][j])) {Cy[i][j] = u;return tru
Tcpdump helps us capture and save network packages. the saved network packages can be used to analyze network load conditions. The packages can be parsed using the tcpdump command, or saved as files suffixed with pcap, use wireshark and other software for viewing. The following nine examples of using tcpdump are provided to illustrate the specific use of tcpdump. 1. packet capture for specific network ports
TcpdumpThis helps us capture and save network packages. the saved network packages can be
Link:http://acm.hdu.edu.cn/showproblem.php?pid=2255Code:#include #include#include#includeusing namespacestd;#defineN 550#defineINF 0x3f3f3f3fintN;intG[n][n], Lx[n], ly[n];//the top label of the X collectionintVisx[n], Visy[n], s[n], used[n];//S is to find D, visx[i]x I have not been augmentedBOOLFind (intU//Augmented Road{Visx[u]=1; for(intI=1; i) { if(!visy[i] lx[u]+ly[i]==G[u][i]) {Visy[i]=1;
lines describing the map. Assume both N and M are between 2 and inclusive. There would be the same number of ' H ' s and ' M's on the map; And there'll is at the most houses. Input would terminate with 0 0 for N and M.Output:For each test case, the output one line with the single integer, which are the minimum amount, in dollars, and you need to pay.Sample Input:2 2.mh.5 5HH.. m...............mm. H7 8...H ..... H....... H....mmmhmmmm ... H....... H....... H.... 0 0Sample Output:21028Test instru
UVA 11383 Golden Tiger Claw topic: Given a nxn matrix, each lattice has a positive integer
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c o l ( i )
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Test instructions: To a n*n matrix, each lattice has a positive integer w[i][j], try for each row and each column to determine a number row[i] and col[i], so that arbitrary lattice w[i][j]Ideas:Km the top mark in the algorithm is to keep the lx[i]+ly[j]>=g[i][j] and then the maximum right and matching, but this maximum power and does not matter. We can think of row[i] as a man, Col[i] as a woman, so that the total number of men and women is equal. In
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