Computer Networking

Every computer that is connected to a local area network or LAN should have an Ethernet card. For wireless networks, computers should have a wireless adapter.

Yes. A server is the main component (besides the cables, hubs, and NICs) of a network. The server, as its name suggests, "serves up" resources to the network for client workstations to access. The Administrator account on the server is able to manage which normal users get to access the resources and also manages which resources they get to access and what they can do to them.

Router or bridge.

MAN

this discussion arose because you guys are not used to the layered protocol model. IP and MAC belong to different layers, IP is a network global address, MAC is a data link localaddress. Besides they refer to completely different objects. If you don't understand this point you'd better go back to the layer model and study it.

It's called a global multicast, and you're transmitting to all reachable nodes.

Address and data buses, which send addresses and data to memory, and read and write lines, which tell the memory whether it wants to set or get an addressed location, can connect to either ROM or RAM and generally connects to both.

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Show ip protocols

In layered systems, one of a set of entities that are in the same layer or the equivalent layer of another system.

Owner: This may be the creator of a resource, such as a file.

Group: In addition to the privileges assigned to an owner, a named group of users may also be the granted access rights.

World: The latest amount of access is granted to users who are able to access the system but are not included in the categories owner and group of this resource.

maximum data size in the Ethernet is 1500 bytes

The data must split between two frames

first frame must carry the maximum number of bytes 1500

second frame needs to carry only 10 bytes

so:

Data size for the first frame: 1500 bytes

Data size for the second frame: 46 bytes with padding

Answer in Arabic

حجم البيانات القصوى في Ethernet القياسي هو 1500 بايت. البيانات من 1510 بايت، لذلك،

يجب حدوث تقسيم بين إطارين. المعيار يفرض أن الإطار الأول يجب أن تحمل أقصى

عدد ممكن من البايت اي (1500). الإطار الثاني بعد ذلك يحتاج فقط لنقل 10 بايت من البيانات؛

ومع ذلك فهو يتطلب حشوة لتصل إلى 46 بايت. وفيما يلي تفصيل يبين:

حجم البيانات لالإطار الأول: 1500 بايت.

حجم البيانات لالإطار الثاني: 46 بايت مع الحشو.

Muatazz Falih.

Basrah.

They are best suited for use on WANs.

Network criteria ia a standard of factors that affects the network performance.

window

false

Usually T1's are terminated on an RJ48 jack. If the T1 line is provided by a telecom company, a T1 Network Interface Unit (NIU) is often installed with an RJ48 jack. A T1 NIU may also be referred to as a 'smart jack,' a device which allows remote, and on-site, loop up and testing capability, as well as indicator lights for basic fault isolation. An RJ48 jack accepts an 8-position, 8-contact (8P8C) modular connector. It's important to note that RJ48 jacks and connectors are often confused with RJ45 (Ethernet) jacks and connectors, because they may look identical, but RJ48 uses a different wiring standard and a different pinout - uses pins 1, 2, 4 & 5. However, some RJ48 jacks and connectors have a keyed notch on one side.

internet standard

The transmission starts at t = 0. At t = 4096/64000 sec = 64 msec, the last bit is sent. At t = 334 msec, the last bit arrives at the satellite and the very short ACK is sent. At t = 604 msec(270 + 334), the ACK arrives at the earth. The data rate here is 4096 bits in 604 msec or about 6781 bps (4096/604msec) (window size is 1). With a window size of 7 frames, transmission time is 448 msec(512*8*7/64000) for the full window, at which time the sender has to stop. At 604 msec, the first ACK arrives and the cycle can start again. Here we have 7 × 4096 = 28,672 bits in 604 msec. The data rate is 47,470.2 bps (28,672/604msec) (window size is 7). Continuous transmission can only occur if the transmitter is still sending when the first ACK gets back at t = 604 msec. In other words, if the window size is greater than 604 msecworth of transmission, it can run at full speed. For a window size of 10 or greater, this condition is met, so for any window size of 10 or greater (e.g., 15 or 127), the data rate is 64 kbps.

IP42 is the index of protection against solids, liquids, and impact.

4 indicates protection against foreign bodies with a diameter greater than 1mm.

2 indicates protection against light rain or water sprayed at an angle up to 15º.

Since there is no third digit, there is no impact rating.