Author: 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!"
Microsoft Excel May 14, 2020

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 […]
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CCNA May 11, 2020

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. […]
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CCNA May 11, 2020

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 […]
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NCP
CCNA May 9, 2020

NCP Explained

When a PPP link has been initiated, the LCP passes control to the appropriate Network Control Protocol (NCP). NCP is a set of protocols that form part of PPP. PPP is a data link layer protocol that can transmit multiprotocol data between two point-to-point.  PPP’s modular model allows LCP to set up the link and […]
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CCNA May 6, 2020

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, […]
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Microsoft Excel May 4, 2020

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 […]
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کلمہ شہادت
May 4, 2020

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 […]
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توحید
May 2, 2020

اسلامیات – مشق برائے سبق توحید

سوال نمبر 3 – درج ذیل سوالات کے مختصر جواب تحریر کریں سوال ۔ عقیدہ توحید کا مفہوم لکھیں۔ جواب – توحید عربی زبان کا لفظ ہے جس کے لغوی معنی ایک ماننا ، یکتا جاننا ہے۔ شریعت ۔ کے اصطلاح میں توحید سے مراد اللہ تعالیٰ کو ایک ماننا ،یکتا جاننا ہے سوال – […]
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CCNA May 1, 2020

Point-to-Point Protocol (PPP) Components – Exclusive Defination

A layered architecture is a logical model that aids communication between interconnecting layers. We can map the Point-to-Point Protocol (PPP) layer model with the Open System Interconnection (OSI) model. Both Point-to-Point Protocol (PPP) and OSI models share the same physical layer although the Point-to-Point Protocol (PPP) distributes the functions of Link Control Protocol (LCP) and […]
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PPP
CCNA April 26, 2020

PPP Overview

PPP is WAN encapsulation protocol that was built in the 1990s. It is an open standard protocol so the protocol can be used with all vendors. Point to Point Protocol can work with Synchronous serial connection, Asynchronous serial connection, High-Speed Serial Interfaces (HSSI), ISDN interfaces (BRI and PRI) telephone lines, trunk lines, cellular telephones, specialized […]
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