Asad Ijaz
NetworkUstad's lead networking architect with CCIE certification. Specializes in CCNA exam preparation and enterprise network design. Authored 2,800+ technical guides on Cisco systems, BGP routing, and network security protocols since 2018. Picture this: I'm not just someone who writes about tech; I'm a certified expert in the field. I proudly hold the titles of Cisco Certified Network Professional (CCNP) and Cisco Certified Network Associate (CCNA). So, when I talk about networking, I'm not just whistling in the dark; I know my stuff! My website is like a treasure trove of knowledge. You'll find a plethora of articles and tutorials covering a wide range of topics related to networking and cybersecurity. It's not just a website; it's a learning hub for anyone who's eager to dive into the world of bits, bytes, and secure connections. And here's a fun fact: I'm not a lone wolf in this journey. I'm a proud member and Editor of Team NetworkUstad. Together, we're on a mission to empower people with the knowledge they need to navigate the digital landscape safely and effectively. So, if you're ready to embark on a tech-savvy adventure, stick around with me, Asad Ijaz Khattak. We're going to unravel the mysteries of technology, one article at a time!"
Multiple Virtual Circuits (VCs) – Briefly Explained
Frame Relay is a multiplexing technique that transmits only one frame at a time. Multiple virtual circuits can be used on a single physical line. The Frame Relay Access Device (FRAD), or router connected to the Frame Relay network, may have multiple virtual circuits linking it to different endpoints. Multiple VCs on a single physical...
Frame Relay Virtual Circuits (VCs) – Exclusiv Explanation
We have already discussed Frame Relay in the previous lessons. What is Frame Relay? Exclusive Introduction that it provides connection-oriented data link layer communication using a Frame Relay virtual circuit. Frame Relay Virtual Circuits (VCs) are a logical connection between two data terminal equipment (DTE) devices across a Frame Relay packet-switched network (PSN). The circuits...
How to Configure Challenge Handshake Authentication Protocol (CHAP)
Challenge Handshake Authentication Protocol (CHAP) periodically checks the character of the far off hub utilizing a three-way handshake. The hostname on one switch must match the username the other switch has designed. The passwords should likewise coordinate. The password value is variable and changes unpredictably while the link exists. When the PPP link establishment phase...
Password Authentication Protocol (PAP)
PPP support different option that can be configured optionally. One of these options is authentication. The authentication option provides a method to negotiate the use of a particular protocol for Authentication. By default, authentication is not required. Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP) can be used for PPP links authentication which...
3 Excel Formula – SUM, Subtraction Average
Excel formulas are difficult tasks for users of this software. Learning Excel formulas is very important to help use Excel more effectively. In the previous lesson, I discussed the methods of entering a formula. In this lesson, I am going to teach you basic formulas. SUM The SUM function is the most basic formula in...
PPP Configuration
Remember that HDLC is the default encapsulation protocol for Cisco routers. If PPP configuration is not done on Cisco routers, the default encapsulation will be used. To set PPP as the encapsulation method used by a serial interface we need PPP configuration on the serial interfaces. The PPP configuration for the below topology is following....
LCP Options
PPP support different option than can be configured optionally. Authentication using PAP or CHAP, Compression using either Stacker or Predictor and Multilink that combines two or more channels to increase the WAN bandwidth. To negotiate these PPP options, the LCP link-establishment frames contain option information in the data field of the LCP frame, as shown...
PPP session
When two devices are first turned on, there is no physical layer connection between them. Once the connection is made, the link can continue to establish a PPP session. There are three phases of establishing a PPP session: Phase 1: Link establishment and configuration negotiation Before PPP exchanges any network layer datagrams, such as IP,...
What is Excel Formula?
Microsoft Excel is one of the important family members of Microsoft office. It is in industry-standard software for data analysis. Bankers and financial analysts also use Microsoft Excel for data processing, calculations and presentation. The excel formula is a difficult task for the users of this software. There are two ways to perform data processing...
کلمہ شہادت -اسلامیات ایف جی کلاس ششم
سوال نمبر ٣ – درج ذیل سوالات کے مختصر جوابات تحریر کرے. ١. ارکان اسلام سے کیا مراد ہیں؟ جواب – ارکان اسلام سے مراد دین اسلام کے وہ بنیادی اصول اور اعمال ہیں جن پر اسلام کی پوری عمارت قائم ہے. ٢ – ارکان اسلام کی تعداد اور نام بیان کرے. جواب – ارکان...