12. X.25 protocol was recommended by CCITT in :
(a) 1975
(b) 1976
(c) 1977
(d) 1978
| General Knowledge Books |
Related Posts
X.25 Protocol » Exercise - 12. How many OSI layers are covered in the X.25 standard ? (a) 1 (b) 2 (c) 3 (d) 4- X.25 Protocol » Exercise - 18. The access methods and protocols for GSM may be from : (a) X.25 (b) X.32 (c) Both a & b (d) None of these
- X.25 Protocol » Exercise - 15. Which of the following network access standard is used for connecting stations to a packet- switched network ? (a) X.3 (b) X.21 (c) X.25 (d) X.75
- X.25 Protocol » Exercise - 111. X.25 is a : (a) Protocol (b) Technology (c) Data service (d) Telephone service
- X.25 Protocol » Exercise - 110. What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard ? (a) 2 (b) 3 (c) 4 (d) 6