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Description
Computer Network Concepts for BeginnersThis book is the outcome of our teaching this course for fifteen years. We felt that students fail to learn practical components of Computer Networking so we started with introduction of Network topology and various components of computer networks. We commence with PhonePe App which has a kind of usage that is used for computer networking concepts, to communicate with bank servers. Although, mobile phone is a wireless device, in the background it is
This book is the outcome of our teaching this course for fifteen years. We felt that students fail to learn practical components of Computer Networking so we started with introduction of Network topology and various components of computer networks. We commence with PhonePe App which has a kind of usage that is used for computer networking concepts, to communicate with bank servers. Although, mobile phone is a wireless device, in the background it is uses all principles of TCP/IP protocol suite. To understand IoT (Internet of Things), we have to learn TCP-IP protocol suite and computer networking.This book covers basics from building blocks of computer networks to security in Networking. This book is suitable for BsC (IT), Three Diploma course of Computer Engineering and Information Technology, MSc (computer Science), Msc (IT), B.Tech computer Engineering, BTech (IT), BE(computer) BE(IT) students. About the AuthorsMr. Tularam M Bansod has an experience of twenty seven years in teaching and training. He started as a Lecturer and went on to be an Assistant Professor at VJTI. He taught Computer Network, Network Security. Micro-processor I,II, III. He setup Linux Lab at VJTI. He also worked at MIEL e-Security Pvt. Limited, Mumbai as a Security Consultant. Currently he is Visiting Faculty at Mukesh Patel School of College of Technology Engineering & Engineering, Mumbai campus and runs two start-ups. He has written Microcontroller Programming� book for Shroff Publishers. Dr. Venkat P. Patil is Ph.D. (Electronics and Communication Engineering). He has 35 years of teaching experience in engineering colleges under Mumbai University. He worked as In-Charge Principal from time to time for around 28 years. He is a recipient of two awards, namely Lifetime Achievement Award and Best Professor Award.Shipping Notes
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4.4 ★★★★★
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Product Reviews
★★★★★ 4
Like it but expensive
Style: Updated Formula
I like it. It does what it says. I just don’t like the price.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
returned- for now
Style: Updated Formula
I was using the lotion version of this for about a year, then went to the balm for more hydration. However, it seems to be breaking me out. I think because it's spring, im not needing as much occlusion as i did during winter. I'm gonna go back to the lotion formula, then pick this up again next winter.
It is a little hard to spread, but I spray the avene mineral water on, let it dry slightly, and press the balm into my skin when its still wet. That helps thin the balm just enough to rub in. Otherwise, it can actually feel kind of rough!
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Impressive
Style: Updated Formula
Nice thick cream! I even saw results (skin improvement) within days. I like this way better than their Cicalfate+, as it’s easier to rub in, less greasy, and doesn’t have the water vs cream separation issue. I’m not a huge fan of the pump top for this one, but at least it’s a tube instead of a solid canister (where you can’t see how much is left or get to the last bit).
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Reviewed in the United States on February 26, 2026
★★★★★ 3
Not Hydrating Enough
Style: Updated Formula
Non greasy but is not moisturizing enough for my dry eczema prone skin.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Obsessed. Soothing, effective, fragrance-free, incredibly healing
Style: Tolerance Daily Foaming Facial Cleanser
I’ve been loving this so much I bought a second bottle after a few days of using it. It has all the skin soothing benefits of the tolerance lotion cleanser, but it’s also a really great cleanser. It’s almost not noticeable how good it is at cleansing because your skin doesn’t feel stripped after, but it takes things off really quickly. I was worried because it doesn’t foam a lot and it feels so nurturing — much like the tolerance lotion cleanser (which I use as a second cleanse when my skin needs a few days to recover from something like a derm office treatment) — but when I wash again with my favorite HG cleanser nothing extra comes off, and I tested it twice on waterproof eyeliner that I’d swiped on my forearm for an hour or so, the eyeliner dissolved and wiped off with two or three gentle swipes. It has a very emollient texture, so when you rub it against your skin it slips so easily you don’t realize it’s dissolving and taking things away because there is no friction. So it’s great at taking off makeup, it’s AMAZING at cleaning makeup brushes, and IT DOES NOT BURN MY EYES AT ALL. Also, it is FRAGRANCE-FREE… before I bought it I read a review complaining about smelling a citrus fragrance, that person either has some sort of brain tumor or something spilled on their bottle when it was in a warehouse because this is definitely a fragrance-free product.
Prior to trying this, I had tried another cleanser that gave me weird acne hives all over my chest (never happened to me before) and I was struggling to heal the acne and the irritation. I noticed an immediate difference when I started using the tolerance cleanser on it; the fresh redness went away, the acne started healing, and the post-inflammatory hyperpigmentation has been healing fast. So I’ve been using this on my body as well and it’s soothing and moisturizing in all the places where other things have been drying. I have mild rosacea and I hadn’t realized how irritated my skin was from the last thing I’d tried until after 5 days or so of using this my skin tone looked much more even and the stubborn PIH I have from a two-zit hormonal breakout a month ago finally looked dramatically lighter (as recently as the week before, I’d needed to cover them with high-coverage concealer).
Because this doesn’t foam much, some people might not realize how well it’s cleaning… I encourage you to judge it based on how your skin looks and feels. Since it is very emollient though, I do think it’s important to use it with a face wash scrubber or washcloth just to ensure you’re getting some mild mechanical exfoliation and clearing away skin cells that could be trapping stuff in your pores. For this reason, I do wash my face with this twice so the first wash can get off makeup/debris/oil and then the second wash can really penetrate and clean my skin.
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Reviewed in the United States on February 15, 2026