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Student   : Why does a network switch perform much better than an older network hub in a busy lab?

Teacher  : Because a hub broadcasts every data packet to all ports, whereas a switch is more intelligent.

Student   : How does the switch handle the data packet specifically?

Teacher  : …………………........................

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Text Excerpt:

Student A writes about "How a Fiber Optic Cable Transmits Data Using Light Pulses". Student B writes about "My unforgettable holiday trip to Bali".

Which topic is appropriate for an explanatory text in TKJ?

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Text Excerpt:

A local area network (LAN) connects computers and devices together within a limited area, allowing devices to share files, printers, or games. The process starts when a device initiates a request to access shared resources. The signal travels through physical cables or wireless signals to a central switch or router, which directs the data to the intended destination.

Based on the text above, what is the primary function of this text?

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Text Excerpt:

A firewall acts as a digital barrier between a private internal network and untrusted external networks like the internet. It inspects all incoming data packets against a set of security rules to block malicious traffic.

Based on the text, what happens if a data packet violates security rules set by the firewall?

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Student   : Why does my laptop automatically get an IP address whenever I connect to the school lab's Wi-Fi?

Teacher  : It is because the access point communicates with a DHCP server on the network.

Student   : What is the exact sequence of that automatic assignment process?

Teacher  : ..................................

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Student    : How does a reliable connection get established between a client and a web server before data transmission begins?

Teacher    : It uses a sequential connection process called the TCP Three-Way Handshake.

Student    : Can you explain the exact sequence of messages exchanged in this process?

Teacher    : ………………………...

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Ко второй группе естественных радионуклидов относятся: 

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Понятие о децентрализованном размещении рентгеновского кабинета:

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Стохастические эффекты

ионизирующего излучения отличаются от детерминированных:

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Средства, применяемые в радиологических отделениях для защиты расстоянием персонала радиологических отделений:

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