Text Excerpt:

A DHCP (Dynamic Host Configuration Protocol) server is a network management protocol used to automate the process of configuring devices on IP networks.

In an explanatory text, what is the specific role of this opening sentence?

Student     : How can data travel across cities so fast through fiber optic cables?

Teacher    : It travels as pulses of light inside a glass or plastic core.

Student     : Why doesn't external electrical interference affect the transmission?

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

Text Excerpt: T

To get connected to the global internet network, individual households must subscribe to an ISP (such as Telkomsel, Biznet, or First Media) which acts as the gateway to the World Wide Web.

What is the primary role of an ISP in network connectivity?

Text Excerpt:

An explanatory text about network protocols avoids ambiguous slang and instead relies heavily on precise technical terms like packet header, handshake, and latency.

Why must technical explanatory texts use precise terminology?

Text Excerpt:

High attenuation occurs in a fiber optic cable because of severe light signal loss over long distances. Therefore, signal repeaters or amplifiers must be installed to restore the signal strength.

What do the underlined connector words (because of, therefore) express?

Sandy   : Why do network administrators separate a large school network into different VLANs?

Yoga      : To improve security and reduce unnecessary broadcast traffic.

Sandy    : How does a VLAN logically divide the network structure?

Yoga      : .............................

Text Excerpt:

After the general introduction defining a router, the text continues with paragraphs detailing how radio waves are captured, translated into packets, and sent to the modem.

What part of the explanatory text structure do these detailed process paragraphs represent?

Fandy   : Why do redundant backup paths in an enterprise network sometimes cause a complete network crash?

Johny    : Because loops cause data frames to circulate endlessly around the network switches, creating a broadcast storm.

Fandy   : How does Spanning Tree Protocol (STP) explain and solve this issue?

Johny    : ……………………...

Text Excerpt:

Paragraph 1: A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

Paragraph 2: When a packet arrives at the network boundary, the firewall inspects its source IP, port number, and protocol. If the packet matches safe rules, it is permitted to pass. Otherwise, it is blocked.

What is the structural classification of Paragraph 2 in an explanatory text?

Text Excerpt: 

"A network switch operates by reading the destination MAC address contained within incoming data frames..."

What is the primary characteristic of the language style used in technical explanatory texts?