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İki numaradan hangisinin daha yeni olduğuna hangi kural doğru karar verir?",[153,156,159,162],{"key":154,"text":155},"a","Sayısal olarak büyük olan değer her zaman daha yenidir",{"key":157,"text":158},"b","Farkı 65536 modunda al, aralığın yarısının altı daha yenidir",{"key":160,"text":161},"c","UDP checksum'ı büyük olan paket daha yenidir",{"key":163,"text":164},"d","Sıfıra daha yakın olan değer her zaman daha yenidir","Sarma anında düz unsigned karşılaştırma bozulur. Yarım-aralık kuralı uzayı dairesel varsayar: a, ancak (a-b) mod 65536 \u003C 32768 ise b'den daha yenidir.",{"id":167,"topic":9,"difficulty":168,"body":169,"options":170,"correct_key":154,"explanation":179},"01a039c8-9fa9-750c-b3a9-6bfc048e8f8f",3,"16 bit sıra numaralarında son kabul edilen değer 65530. Ardından #5 numaralı paket geliyor. Yarım-aralık kuralına göre #5, 65530'dan daha mı yeni?",[171,173,175,177],{"key":154,"text":172},"Daha yeni, çünkü sarmadan geçen ileri mesafe sadece 11",{"key":157,"text":174},"Daha eski — 5, 65530'dan sayısal olarak çok küçük",{"key":160,"text":176},"Paketin varış zaman damgası olmadan karar verilemez",{"key":163,"text":178},"Eşit — ikisi de aynı 16 bit tampon penceresinde","65530'dan ileri 5'e mesafe (65536-65530)+5 = 11 eder, 32768'in çok altında; demek ki 5 daha yeni — sayaç 65535'i geçip sarmıştır.",{"id":181,"topic":9,"difficulty":150,"body":182,"options":183,"correct_key":160,"explanation":192},"01a039c8-9fab-7394-96dd-94ec2ea7780f","Bir başlık bir ack alanı ve 32 bit'lik bir ack-bits taşıyor. ack-bits'in n'inci biti set ise bu ne anlama gelir?",[184,186,188,190],{"key":154,"text":185},"Sıra numarası n olan paket düşmüştür, hemen yeniden gönderilmeli",{"key":157,"text":187},"Alım tamponunda n adet işlenmemiş paket vardır",{"key":160,"text":189},"Sıra numarası (ack - n) olan paket alınmıştır",{"key":163,"text":191},"Bir sonraki giden paket (ack + n) numarasını kullanacaktır","ack en yeni alınan sıra numarasını taşır; ack-bits'in her biti geriye sayarak bir eski paketi tekrar bildirir, yani n'inci bit (ack - n)'nin alındığı anlamına gelir.",{"id":194,"topic":9,"difficulty":150,"body":195,"options":196,"correct_key":163,"explanation":205},"01a039c8-9fad-734a-a878-1d50b001e00f","Aynı paket, tek bir özel ack yerine 32 ardışık başlıkta ack-bits ile onaylanmış bildiriliyor. Esas fayda nedir?",[197,199,201,203],{"key":154,"text":198},"Tek bir açık ack'a göre toplam başlık boyutunu yarıya indirir",{"key":157,"text":200},"Alıcının gördüklerini takip etme ihtiyacını ortadan kaldırır",{"key":160,"text":202},"Ağır kayıp altında bile her ack'ın ulaşacağını garanti eder",{"key":163,"text":204},"Birkaç başlığın kaybı, ack'ın kopyalarıyla telafi edilir","Aynı ack'ı birçok başlıkta tekrarlamak, tek bir başlığın kaybının nadiren önemli olması demektir — genelde diğer yedek kopyalardan biri yine de ulaşır, ayrı bir yeniden gönderim gerekmez.",{"id":207,"topic":9,"difficulty":208,"body":209,"options":210,"correct_key":154,"explanation":219},"01a039c8-9faf-7760-bc8d-f031c4b7ece4",1,"Bir mesaj gönderildi ve ona ait bir ack henüz gelmedi. Bunu tek başına doğru yorumlamanın yolu nedir?",[211,213,215,217],{"key":154,"text":212},"Sadece teslimin henüz doğrulanmadığı anlamına gelir",{"key":157,"text":214},"Paketin ağda kesinlikle kaybolduğunu kanıtlar",{"key":160,"text":216},"Alıcının hayatta olduğunu ve paket işlediğini kanıtlar",{"key":163,"text":218},"Bağlantının zaten zaman aşımına uğradığı anlamına gelir","Ack'ın gelmemesi tek başına kayıp kanıtı değildir — paket ya da onun ack'ı hâlâ yolda olabilir. Kayıp ancak bir eşik aşıldığında çıkarsanır.",{"id":221,"topic":9,"difficulty":150,"body":222,"options":223,"correct_key":157,"explanation":232},"01a039c8-9fb1-77df-b572-71755c51b3d0","#100, #101, #102 birbirine yakın gönderiliyor. Önce #102, sonra #100, sonra #101 varıyor — üçü de ulaşıyor, sadece sıra dışı. Varış sırasındaki bir boşluk anında kayıp sayılırsa ne olur?",[224,226,228,230],{"key":154,"text":225},"Yanlış bir şey olmaz, ack-bits yalnızca hiç ulaşmayanı bildirir",{"key":157,"text":227},"#100 ve #101 kayıp işaretlenip gereksiz yeniden gönderilir",{"key":160,"text":229},"Bağlantı hiçbir sıra dışılığı kaldıramadığı için sıfırlanır",{"key":163,"text":231},"Sıra uzayı bunları atlamak için sessizce erken sarar","Saf 'boşluk = kayıp' kuralı yeniden sıralamayı gerçek kayıptan ayıramaz: #102'nin öncekilerden önce görülmesi, ikisi de hâlâ yoldayken bir boşluk gibi görünür ve gereksiz yeniden gönderime yol açar.",{"fields":234,"seniorities":446,"interview_shapes":447,"locales":452,"oauth":454,"question_count":457,"coach_enabled":458,"jd_match_enabled":458},[235,260,280,296,320,333,352,371,393,412,427,437],{"key":236,"name_tr":237,"name_en":237,"sort":208,"specializations":238},"backend","Backend",[239,242,245,248,251,254,257],{"key":240,"name":241,"field":236},"general","Genel",{"key":243,"name":244,"field":236},"go","Go",{"key":246,"name":247,"field":236},"python","Python",{"key":249,"name":250,"field":236},"java","Java",{"key":252,"name":253,"field":236},"csharp","C#\u002F.NET",{"key":255,"name":256,"field":236},"nodejs","Node.js",{"key":258,"name":259,"field":236},"php","PHP",{"key":261,"name_tr":262,"name_en":262,"sort":150,"specializations":263},"frontend","Frontend",[264,265,268,271,274,277],{"key":240,"name":241,"field":261},{"key":266,"name":267,"field":261},"javascript","JavaScript",{"key":269,"name":270,"field":261},"typescript","TypeScript",{"key":272,"name":273,"field":261},"react","React",{"key":275,"name":276,"field":261},"vue","Vue",{"key":278,"name":279,"field":261},"angular","Angular",{"key":281,"name_tr":282,"name_en":282,"sort":168,"specializations":283},"fullstack","Fullstack",[284,285,286,287,288,289,290,291,292,293,294,295],{"key":240,"name":241,"field":281},{"key":243,"name":244,"field":236},{"key":246,"name":247,"field":236},{"key":249,"name":250,"field":236},{"key":252,"name":253,"field":236},{"key":255,"name":256,"field":236},{"key":258,"name":259,"field":236},{"key":266,"name":267,"field":261},{"key":269,"name":270,"field":261},{"key":272,"name":273,"field":261},{"key":275,"name":276,"field":261},{"key":278,"name":279,"field":261},{"key":297,"name_tr":298,"name_en":298,"sort":299,"specializations":300},"devops-cloud","DevOps 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