9. 04 26 138 1100 This diagram illustrates how available bandwidth is divided so

Question

9. 04 26 138 1100 This diagram illustrates how available bandwidth is divided so that landline phones (POTS) and DSL Internet data can se sent simultaneously on the same wire. This is an example of Frequency Division Multiplexing (FDM) a. Wave Division Multiplexing (WDM) b. Code Division Multiplexing (CDM) c. d. Time Division Multiplexing (TDM) 10. Nyquist's Theorem defines the theoretical maximum data transmission rate with the formula: D 2B logz K Select all of the following that based on this formula will increase the maximum data rate. a. Increase the bandwidth b. Reduce the noise level c. Increase the bits per second d. Encode more information in each signal change 11. A host is able to communicate with other hosts on the same LAN, but not with hosts on other LANs. Select the command most likely to help in diagnosing the problem. a. ping b. sudo c. route d. ifconfig 12. On a Linux system, network services configuration files are usually located somewhere in: a. /etc b. /home c. /bin d. Idhcp 13. The root of the Linux file system is denoted by ?. /sudo a. /root b. /home 14. Suppose the dhcpd.conf configuration file for DHCP is changed to include router information. In order for the change to take effect, it is necessary to: a. Reboot the server b. Restart the server's network interface controller (NIC) c. Restart the DHCP service d. Just save the file, the service will automatically apply the changes

Explanation / Answer

9) c. FDM

10)a,b,c

11 ) c. route

12)a. /etc

13) d) /

14) c) Restart The service



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