[ҳҲҳŔỜŔỜҳҲҳ]

^^

Drawbacks

اللي هيا عيوب الريبيتر


they just amplify signals. These signals not only include the network signals, but any noise on the wire as well.
So repeaters are used only as a temporary fix
هذي عيوبة انه ينقل كل الاشارات ومن ضمنها اي ضوضاء بتمر في الشبكة عشان كذا بيستخدموه للإصلاح المؤقت

ممم راح اكتب اللي جانا ف الاختياري والصح والخطأ بس ما اتوقع تجيكم نفس الاسئلة لان الدوري الثاني اختبرنا مع بعض بس الدوري الاول اختبرتو قبلنا وماجاءت نفس الاسئلة فأكيد راح يغيرها

الاختياري
1-A network that connects a relatively small number of machines in a relatively close geographical area (Local-area network (LAN) )


2-The ability of software and hardware on multiple machines and from multiple commercial vendors to communicate (Interoperability)

3-Error detection and control (data link layer)

4- routing of datagrams from source to dest (Network layer)

5- hub and repeater work at ( physical layer )

6- transmitter in communication model ( carrier data)

صح وخطأ
7- Network software translates a hostname into its corresponding IP address ( true)

8- Passive hubs simply connect all ports together electrically and are usually powered ( false) not powered

9- The managing entity can query the status of the managed devices and take actions at the devices via its agents through SNMP (true)

10- Narrowband allows for multiple pieces of data are sent simultaneously to increase the transmission rate (false) Broadband




Essay Q

What is the different way that you can connect a home computer to the Internet?

What is the function of repeater , drawbacks ?

Router is slower than bridge , justify

What is the steps in fault management ?

What is decentralized configuration , advantages , disadvantages ?

Compute the error detection and error correction , dmin = 4