CISCO IT Essentials Chapter 8 Hun

ADSL is a digital technology that typically offers slower upload speeds compared to download speeds. This means that when using ADSL, the speed at which data can be downloaded from the internet is usually faster than the speed at which data can be uploaded.

Ping is a utility program that can be used to test the connectivity between a source and destination IP address. It sends a small packet of data to the destination and waits for a response. If a response is received, it indicates that the connection is working. Therefore, Ping can be used to test the connectivity between the source and destination endpoints.

The correct answer is "optikai-szálas" because the question asks about the type of network cable that can be seen. Out of the given options, only "optikai-szálas" refers to an optical fiber cable, which is a type of network cable that uses light to transmit data. The other options, such as 10BASE5, 10BASE-T, Category 5 UTP, and Category 6 STP, refer to different types of copper-based cables used in Ethernet networks. Therefore, the correct answer is "optikai-szálas" as it is the only option that represents a different type of network cable.

The network administrator should choose an optical cable because it provides a secure connection and is not sensitive to electrical interference. Optical cables are capable of transmitting data over long distances, making it suitable for connecting the new building which is approximately 800 meters away from the existing network.

The correct answer is "csillag" because it is the only option that has a central connection point, allows for easy fault tolerance, and is commonly used in newer networks. A star topology consists of a central hub or switch that connects all devices in the network, making it easy to add or remove devices without disrupting the entire network. This topology also allows for easy fault isolation, as a single device failure does not affect the rest of the network. Due to its advantages and flexibility, the star topology is commonly used in modern network setups.

A hub egy olyan eszköz, amely fizikailag összeköti a számítógépeket anélkül, hogy szegmentálná a hálózatot. Ez azt jelenti, hogy a hub minden bejövő adatot továbbít minden csatlakozott eszközre, ami a hálózatban van. Ez a megoldás egyszerű és olcsó, de hatékonysága korlátozott lehet, mivel minden adatot minden csatlakozott eszköz megkap, még akkor is, ha nem az ő számukra szánva.

The correct answer is "Internet kapcsolatot igényel a telefonos szolgáltatás használatához." This means that using VoIP requires an internet connection for the telephone service to work.

The correct answer is 802.11g. This IEEE wireless standard operates on the 2.4 GHz radio frequency and supports a maximum speed of 54 Mbit/s.

Using wireless access points is the simplest solution to achieve the desired result in extending the network connection to the basement. This is because the walls and ceiling of the basement are made of concrete, which can make it difficult to run cables through. Wireless access points allow for easy network connectivity without the need for physical cables, making it the most efficient option in this scenario.

A 1000BASE-T hálózatiszegmens maximális távolsága 100 méter, vagyis 328 láb. Ez azt jelenti, hogy a hálózati eszközök, például számítógépek vagy nyomtatók, csak akkor tudnak egymással kommunikálni a hálózaton keresztül, ha a távolság közöttük nem haladja meg a 100 métert. Ha a távolság meghaladja ezt az értéket, akkor a jel vesztesége túl nagy lenne, és a kommunikáció megszakadna. Ezért a helyes válasz 100 méter.

The correct answer is "tracert". Tracert is a Windows XP command that displays the route (path) that network packets take to get from the source to the destination. It shows the IP addresses of the routers or gateways that the packets pass through along the way. This command is useful for troubleshooting network connectivity issues and identifying any network bottlenecks or delays.

RG-6 kábel a legjobb választás nagy sávszélességű jelek szórásához aháztetőn lévő antennával, kábel TV szolgáltatásra vagy műholdvevő antennához a legkisebb interferencia mellett, mivel ez a kábel jobb minőségű és jobban állja a jelzavarokat, mint a többi lehetőség. RG-6 kábel nagyobb átmérőjű és alacsonyabb veszteséggel rendelkezik, így nagyobb távolságokon is hatékonyan átviszi a jeleket.

The two distinguishing characteristics of different categories of UTP cables are the number of twists in the cables' internal wires and the number of wires inside the cable.

The term "beágyazás" refers to the process of embedding or encapsulating data as it passes between different layers of the OSI model. This can involve adding headers or other information to the data to ensure that it is properly identified and processed by the receiving layer.

A háló topológia biztosítja a legnagyobb redundanciát, mivel minden csomópont közvetlenül kapcsolódik egymáshoz. Ha egy csomópont meghibásodik vagy megszakad a kapcsolat, akkor a többi csomópont még mindig elérhető marad a hálózaton keresztül. Ezáltal a hálózat megbízhatóbbá válik és kevésbé valószínű, hogy a teljes hálózat leálljon egyetlen hibás csomópont miatt.

In a CSMA/CD network, after a collision, the computers wait for a certain amount of time before attempting to retransmit. This waiting period is known as the backoff time. The computers listen to the network cable after the backoff time expires to check if the medium is free and then proceed with data transmission. This helps to avoid further collisions and ensure successful communication on the network.

The correct answer is "Adatkapcsolati" (Data Link). The Data Link layer is responsible for accessing the physical medium and implementing the physical addressing. It is responsible for the reliable transmission of data frames between adjacent network nodes over a physical link. This layer also handles error detection and correction, flow control, and data framing.

It is worth choosing the client/server network model over peer-to-peer networks for three reasons. First, in a corporate network, secure access to confidential information is desired. Second, the users need a central database to store inventory and sales data. Lastly, the data recorded by employees is important and requires regular backups.

Ethernet technology supports the IEEE 802.3 standard, which is a set of protocols and specifications for Ethernet networks. It also uses a logical bus topology, where all devices are connected to a central cable. This allows for easy communication between devices on the network.

BRI stands for Basic Rate Interface, which is a type of ISDN service that provides two B channels and one D channel for establishing calls. This means that BRI allows for two simultaneous voice or data connections, making it suitable for small businesses or residential users with moderate communication needs. Other options listed, such as ADSL, BISDN, IDSL, PRI, and SDSL, do not specifically refer to ISDN services with two B channels and one D channel.

The correct answer is APIPA. APIPA stands for Automatic Private IP Addressing. It is a feature in the TCP/IP protocol that allows a computer to automatically assign itself a private IP address if it is unable to obtain an IP address from a DHCP server. In this scenario, the computer was assigned the IP address 169.254.2.1, which is within the range of APIPA addresses (169.254.0.0 - 169.254.255.255). This indicates that the computer was unable to obtain an IP address from a DHCP server and therefore assigned itself an APIPA address.

A bridge (híd) and a switch (kapcsoló) can be used to divide the network into multiple segments and increase performance. A bridge connects two different network segments, allowing them to communicate with each other. A switch, on the other hand, is a more advanced device that can connect multiple devices in a network and manage the traffic between them efficiently. By using both a bridge and a switch, the network administrator can divide the network into smaller segments and improve the overall performance by reducing congestion and optimizing data flow.

The use of a PLC allows for faster transmission speeds than analog modem connections. It also eliminates the need for additional wiring for controlling electrical devices at the client's site. Additionally, a PLC is capable of transmitting both voice and data signals over electrical wires.