comptia network questions

Computer Network interview questions, computer network questions 1,OSI Layer-7 protocol,Layer-4 TCP/IP protocol,Five-Layer Protocol mentioned in instructor Xie xiiren's online textbookComparison Note: (1) OSI's layer-7 protocol is only a theoretical protocol, which is not actually used. (2) the architecture of the lay

The following are the original C ++ engineer recruitment questions of our company. The questions are difficult and there are no strange questions. If you get a correct 60 or more, congratulations! You are a qualified network development engineer. 1. when writing the "=" condition judgment, it is often possible to write

1 We just enter the "community" in the app of the easy car network and then we can ask questions, and click on the "+" in the upper right corner of the community interface;(the following figure) 2 Click "Ask questions", then click on the edit box input questions, and finally click on the upper right corner of the

Sangfor pen questions (after-sales by network engineers) and Sangfor questions There are 3 to 3 major questions in total, 1 select Mainly include IP address calculation, http protocol, vrrp protocol, 2. Fill in blank questions for linux A. linux displays all system load

) {Addedge (x,y,f); Addedge (Y,x,0);} InlineBOOLBFsintu) {memset (DEP,0,sizeof(DEP)); Q.push (U);d Ep[u]=1; while(!Q.empty ()) {u=Q.front (); Q.pop (); for(intI=g[u];i;i=e[i].nxt)if(e[i].f>0!Dep[e[i].to]) {Q.push (e[i].to); Dep[e[i].to]=dep[u]+1; } } returndep[t];} InlineintDfsintUintf) { intret=0; if(u==t)returnF; for(intI=g[u],d;if;i=e[i].nxt)if(e[i].f>0dep[e[i].to]>Dep[u]) {D=Dfs (E[i].to,min (F,E[I].F)); RET+=d;f-=d;e[i].f-=d;e[i^1].f+=D; } returnret;} Inlineint

); - } $ } $ } - returnD[t]; - } the intDFS (intUintLim) { - if(u==t)returnLim;Wuyi inttmp,f=0; the for(intI=hd[u];i;i=e[i].nxt) { - intv=e[i].v; Wu if(d[v]==d[u]+1e[i].f) { -tmp=DFS (V,min (LIM,E[I].F)); Aboute[i].f-=tmp; $e[i^1].f+=tmp; -lim-=tmp; -f+=tmp; - if(!lim)returnF; A } + } thed[u]=0; - returnF; $ } the intDinic () { the intres=0; the while(BFS ()) res+=DFS (s,inf); the returnRes; - } inv

[24 questions about network stream] minimum path coverage (Bipartite Graph Matching) programming questions, 24 bipartiteQuestion Principle: Minimum path overwrite = point-matching number;It is easy to understand: the two points can be matched, which is equivalent to putting them in and querying the set, and querying the number of sets is the number of paths;Howev

Today, with the wide application of computers and the popularity of the network, more and more units and departments began to introduce computer network management, so that the corresponding need for more excellent management network. Have a few years of "brain-age" you have become a network management ambition? Before

[Network Stream 24 questions] Napkins"Problem description"A restaurant in successive N days, the first day I need RI block napkins (i=l,2,...,n). The restaurant can get napkins from three different ways.(1) Buy a new napkin, each piece needs p points;(2) Send the used napkin to the quick wash, wash a piece of M days, the cost of f (f(3) The napkin is sent to the slow wash, wash a piece of n Days (n>m), the

[Network flow 24 questions] paired with pilots ★★☆ input file: flyer.in output file: flyer.out simple comparison Time limit: 1 s memory limit: MB "Problem description" The Flight brigade has a number of pilots from all over the world who specialize in one type of aircraft, each of which has two drivers and requires a pilot and a co-pilot. For a variety of reasons, such as co-ordination, some pilots cannot f

For each I,If there is dp[i] = K, then insert (If there is dp[i] = 1, then insert (S, Then insert (For each pair I If dp[j] = = Dp[i] + 1 a[i] The biggest flow out of the run is the answer to the second question.For the third question, we simply change the second question to Huang said this is the idea of a hierarchical graph, and then the capacity of the edge is the limit of the number of times to take,Since the third question in X1 xn can be taken multiple times, so the capacity limit into t

-blocking?21 What are the differences between routers and switches?22 What is domain name resolution?23 How do I modify the local hosts file?24 Producer Consumer model application scenarios and advantages?25 What is a CDN?What is the effect of the LVS?What is the role of Nginx?What is the role of keepalived?What is haproxy and what is the role?30 What is load balancing?31 What are RPC and application scenarios?32 briefly describes the function and application scenario of Asynio module.33 briefly

739. [Network Flow 24 questions] transport issues ★ ☆ Input File: tran.in output file: Tran.out Simple contrast time limit: 1 s memory limit: MB «Problem Description: «Programming tasks: For the cost of transporting goods between a given m warehouse and N retail stores, calculate the optimal transport plan and the worst transport plan. «Data Entry: «result output: At the end of the program run,

51cto college specially sorted out "2014 network administrator-exam exercise Questions and Answers" in the soft exam preparation season to help schools pass smoothly! For more software proficiency test counseling and questions, please pay attention to the 51cto college-soft exam classification! View summary:Exercise question