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  Be adept at the technical onboard optical connection scheme and the pioneer of optical fiber interconnection within the equipment

  In November 2018, Xunshi interviewed Zheng Yongkeng Jacky Cheng, general manager of Optec, to gain an in-depth understanding of Epdi's current international status and grand vision from on-board optical connection components (On-Board Optics, OBO). | | on-board domain storage |

  2022-06-01 07:46:38 Views: 217
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  Password security policy

  It doesn't seem to be peaceful recently. It was last month that the video website AcFun was hacked. In fact, there are all kinds of major information leaks every year, such as 2017 mentioned in the report http://www.aqniu.com/industry/30413.html.

  2022-06-01 07:46:17 Views: 241
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  RIPv2 configuration

  Connect devices on GNS3 configure router (1) R1 (2) R2 (3) R3 (4) R4 View routing table test connectivity (1) (2) (3) (4) (5) (6) (7) Topology Diagram

  2022-06-01 07:46:06 Views: 217
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  802.11ac 's MCS speedometer

  Spatial stream MCS modulation rate HT20 rate (Mbps) HT40 rate (Mbps) HT80 rate (Mbps) VHT160 rate (Mbps) GI=800nsGI=400nsGI=800nsGI=400nsGI=8

  2022-06-01 07:46:02 Views: 207
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  Control the use of Memory and CPU resources

  The emergence of Resource Governor solves the need to manage multi-user workloads and resource isolation on a SQL Server instance, which allows administrators to limit the number of CPU and Memory resources consumed by the system when processing Requsts

  2022-06-01 07:46:02 Views: 235
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  Information leakage prevention: how to avoid "getting out of control"?

  In the last article, we talked about how to protect corporate secrets through document rights management. does it mean that corporate information only needs to do a good job of rights management to prevent disclosure? The answer is obviously no. Especially nowadays, there are continuous interactions between enterprises and frequent exchanges of information. How to protect the information security of these outgoing documents?

  2022-06-01 07:46:02 Views: 227
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  Summary of the differences among select, poll and epoll

  Select,poll,epoll is the mechanism of IO multiplexing. Icano multiplexing uses a mechanism to monitor multiple descriptors, and once a descriptor is ready (usually read or write ready), it can tell the program to read and write accordingly, but select

  2022-06-01 07:45:56 Views: 286
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  Packet capture Analysis of CMCC portal Protocol wireshark

  Environment introduction: authentication server 192.168.13.253AC192.168.13.252 grab package process: 1. Install wireshark. There is wir under the ${DKEY AM} / Utilities directory under the default installation path of Ningdun wifi.

  2022-06-01 07:45:40 Views: 299
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  Guide to the selection and purchase of switches for small and medium-sized Enterprises

  Guide for the selection and purchase of switches for small and medium-sized enterprises author: Zhou Bo is from the Social Media working Group of Dell's small and medium-sized Business Division Preface: this article introduces the functions of switches and expounds the ways and methods of selecting and purchasing enterprise switchs. and a rough introduction of the classification and case applications of Dell switches, and take this article to analyze

  2022-06-01 07:45:25 Views: 233
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  Threads of learning notes for python

  After reading the basic tutorials of python, based on practical learning, quickly grasp the concept. Found a good python test book. "python stunts", yes, it is because one closely linked to the theme of security, second, the author directly started with the actual case, can not speak grammar, three

  2022-06-01 07:45:25 Views: 229
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  Self-made WiFiPineapple (2)

  There are some problems with the WiFiPineapple produced by the last blog post, for example, the plug-in can not be upgraded and found a simpler migration method by looking up the information. Original link: http://www.hypn.za.net/blog/2013/06/30/tp

  2022-06-01 07:45:25 Views: 203
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  The PS capabilities required by a front-end

  Front-end web design + static implementation case put a case of (design + static implementation) completed for a company in two and a half days. Static shadow is implemented by http://www.cnblogs.com/MuYunyun/p/5693615.htm with CSS3.

  2022-06-01 07:45:12 Views: 288
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  Industrial Firewall Architecture and Technology [Section 2: hardware Architecture ④]

  The following figure shows the design diagram of the main power supply circuit of the motherboard: the following figure shows the design diagram of the power isolation circuit required by Ethernet, field bus, and 485 bus based on the main power supply. In addition, since power outage is also a possible single point of failure, it is necessary to design the hardware architecture.

  2022-06-01 07:45:02 Views: 299
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  The most basic introduction of network common sense, you can really understand this.

  The most basic introduction to network common sense, you can really understand this, you really deserve to know, because they often say, but we often fall into five miles of clouds, so you look too lame, as the 21st century generation, we need to understand, no matter what other people do, I just need it. What is HT?

  2022-06-01 07:45:01 Views: 212
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  Add "subject alternate name (DNS)" to the ssl certificate using openssl

  The previous section talked about the signing method of multi-CN, using openssl to sign multi-domain name certificates, but encountered a problem in practical use. In the android system, browsers do not recognize multi-CN domain names and will make an error "the certificate name does not match the server name". At first, they thought it was a self-signed CA question.

  2022-06-01 07:45:01 Views: 203
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  HTTPS encrypts data transmission to strengthen network security and trust of P2P platform.

  On December 28, the CBRC, together with the Ministry of Industry and Information Technology, the Ministry of Public Security, the Internet Information Office and other departments, studied and drafted the interim measures for the Administration of the Business activities of Network Lending Information intermediary agencies (draft for soliciting opinions) (hereinafter referred to as the "measures"). And solicit opinions from the public. The "method" applies to P2P-related ecological service organizations.

  2022-06-01 07:45:01 Views: 283
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  C # generics

  1. Generics suppose I want to write a common method that outputs incoming parameters (not generics). For the reason that everything is an object, I first define a method show (object obj), as shown below: public static void Sh

  2022-06-01 07:44:53 Views: 220
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  How to enter the configuration interface for juniper srx 100s

  Recently, the MPLS × × CE of the company connected to the group broke down. Ce was configured with juniper SRX100, but the person with the original configuration ran away and left any configuration information, so he had to spend money to hire an expert to solve the problem. So I got a SRX simulator to practice.

  2022-06-01 07:44:53 Views: 279
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  What is the Firewalld security technology?

  Introduction to Firewalld starts with CentOS7. By default, there is no iptables, but firewall Firewall is used. FirewallD provides actions that support network / firewall area (zone) to define network links and interface security levels.

  2022-06-01 07:44:53 Views: 273
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  Anti-brute force cracking sshd script

  Note: this script does not regularly clean up the ip address previously added to / etc/hosts.deny. Just in case, add your own local ip address to / etc/hosts.allow. In case one day you forget the root password, you will still have a chance to try.

  2022-06-01 07:44:52 Views: 216