Insert Table Chart Text Shape Media Comment Fill in the blanks and Multiple choices is the first generation of packet switching networks. was devised by IBM 2. EBCDIC stands for 1963, it uses 8 bits information which can representpossible charactens. 3 The routers are described in the 4. The two light sources for the optical fiber areWWand S. The 6. The LAN environment, including Ethernet, Token Ring islayer protocols of OSI. 7.he point to and from which international services are available in each country 8. The most important 3 services of IN/ l are????????? ? ?? ?- 9. The human ear can hear the voice signals 10. This medium,as been used primarily for cable television transmission and to link computers layer of OSI layer of OSI offers services such as encryption, compression, and reformatting. to networks traditionally. 11. All switches in a single network must follow the same 12. We measure the transmission speed of a network by 13. UTP wires are normally twisted together to reduce the occurrence of 14. A computer that operates at MHz means 15. What are the rates for ISDN network? Basic ISDN: layer standard. Primary ISDN: and Broadband ISDN: 16. Ethernet frame is a standard of IEEE a. IEEE802.5 b. IEEE802.3 c. IEEE802.2 d. IEEE802.1 on an Ethernet network, this is the unit of data that is transmitted between network points r, a protocol b. Data Link layer c. Frame d. single mode -18. Movement, temperature or sound is an example of data. a. digital b. analog c. frequency d. continuous 19echoology breaks your voice (or television) signal into binary code- a series of Is and Os. a. continuous b. digital c. frequency d. analog is a technique for increasing the bandwidth of optical network communications, which allows dozens of