Host route har doim /32 (255.255.255.255) prefiksidan foydalanadi. Bu faqat bitta aniq IP manzilni bildiradi, butun tarmoqni emas.
@netadminuz
@netadminuz
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Metric — marshrutlash protokoli eng yaxshi yo‘lni tanlashi uchun ishlatiladigan qiymat.
Misollar:
RIP → Hop Count
OSPF → Cost
EIGRP → Composite Metric
Qoida: Metric qancha kichik bo‘lsa, marshrut shuncha afzal hisoblanadi.
@netadminuz
Misollar:
RIP → Hop Count
OSPF → Cost
EIGRP → Composite Metric
Qoida: Metric qancha kichik bo‘lsa, marshrut shuncha afzal hisoblanadi.
@netadminuz
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@netadminuz
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Node — tarmoqdagi ma'lumot yuboradigan, qabul qiladigan yoki uzatadigan har qanday qurilma.
Qisqa ta'rif:
Misollar:
CCNA nuqtai nazaridan, tarmoqqa ulangan har bir qurilma node hisoblanadi.
✈️ @netadminuz
Qisqa ta'rif:
A node is any device connected to a network that can send, receive, or forward data.
Misollar:
Kompyuter
Router
Switch
Server
Printer
Telefon
CCNA nuqtai nazaridan, tarmoqqa ulangan har bir qurilma node hisoblanadi.
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Instagram sahifamizga boshladik videolarni yuklashni.
https://www.instagram.com/cisco.uz?igsh=MTlqOThyOGRoamt3bg==
https://www.instagram.com/cisco.uz?igsh=MTlqOThyOGRoamt3bg==
📘 CCNA Test Savoli
❓ Savol:
Routing jadvalida (Routing Table) tanlash jarayonida Administrative Distance (AD) nimani anglatadi?
✅ To'g'ri javob:
Routing ma'lumotining manbasi qanchalik ishonchli ekanligini ko'rsatuvchi ko'rsatkich.
📝 Izoh:
Administrative Distance (AD) — bu router turli manbalardan olingan marshrutlar orasidan qaysi biriga ustunlik berishni aniqlash uchun ishlatadigan ishonchlilik ko'rsatkichidir.
Agar bitta tarmoqqa bir nechta routing protokoli orqali yo'l mavjud bo'lsa, router AD qiymati eng kichik bott'lgan marshrutni tanlaydi, chunki u eng ishonchli deb hisoblanadi.
@netadminuz
❓ Savol:
Routing jadvalida (Routing Table) tanlash jarayonida Administrative Distance (AD) nimani anglatadi?
✅ To'g'ri javob:
Routing ma'lumotining manbasi qanchalik ishonchli ekanligini ko'rsatuvchi ko'rsatkich.
📝 Izoh:
Administrative Distance (AD) — bu router turli manbalardan olingan marshrutlar orasidan qaysi biriga ustunlik berishni aniqlash uchun ishlatadigan ishonchlilik ko'rsatkichidir.
Agar bitta tarmoqqa bir nechta routing protokoli orqali yo'l mavjud bo'lsa, router AD qiymati eng kichik bott'lgan marshrutni tanlaydi, chunki u eng ishonchli deb hisoblanadi.
@netadminuz
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Cisco CCNA Tarmoq Administratorligi NetAdminX guruhi!
Davomiyligi 4-oy 15:00-17:00
Har kuni 3 kun asosiy dars, 3 kun amaliyot
Umumiy kurs uchun 800 000 so'm + chegirma
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Immkoniyatni qo'ldan boy bermang hoziroq ro'yxatdan o'ting!
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🚀 @sysadminx - obuna bo’ling.
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What happens to a MAC address entry in a switch's MAC address table when the aging timer expires?
Anonymous Quiz
17%
The entry is marked as static and transitions to a permanent state in the table
32%
The entry is moved to a secondary cache table where it remains for half the original aging time
31%
The entry is removed from the table and must be relearned through incoming frames
19%
The entry is refreshed automatically and the timer resets to the default value