1. Most networks are connected to other local area or wide area networks. Select the best fit for…

1. RS-449/442-A/423-A is A. a set of physical layer standards developed by EIA and intended to replace RS-232-C.…

1. In a synchronous modem, the receive equalizer is known as A. adaptive equalizer B. impairment equalizer C.…

1. What protocol is used between E-Mail servers? A. FTP B. SMTP C. SNMP D. POP3 2. If…

1. Modem is used in data transmission. When was it invented and in which country? A. 1963, USA…

1. Which of the following refers to the terms "residual error rate"? A. the number of bit errors…

1. How many digits of the DNIC (Data Network Identification Code) identify the country? A. first three B.…

1. What command is used to sort the lines of data in a file in reverse order? A.…

1. What command is used to save the standard output in a file, as well as display it…

1. What command is used to count the total number of lines, words, and characters contained in a…