Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

31. What is the minimum number of wires needed to send data over a serial communication link layer?

A. 1
B. 2
C. 4
D. 6
E. none of the above

Show Answer

32. The _____ layer is the layer closest to the transmission medium.

A. transport
B. network
C. data link
D. physical
E. None of the above

Show Answer

33. What is the name of the device that connects two computers by means of a telephone line?

A. Tape
B. modem
C. bus
D. cable
E. None of the above

Show Answer

34. What is the main difference between DDCMP and SDLG?

A. DDCMP does not need special hardware to final the beginning of a message.
B. DDCMP has a message header
C. SDLC has a IP address
D. SDLC does not use CRC
E. None of the above

Show Answer

35. On a class B network, how many subnets are available with a subnet mask of 248?

A. 2
B. 6
C. 30
D. 62
E. 126

Show Answer
Warning: Undefined variable $in_same_cat in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Warning: Undefined variable $excluded_categories in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27