Which of the following pair of Application layer protocol of OSI model and its…
2023
Which of the following pair of Application layer protocol of OSI model and its services is CORRECT?
I. X.400 – Directory II. X.500 – Electronic Mail protocol
- A.
Neither I nor II
- B.
Both I and II
- C.
Only I
- D.
Only II
Attempted by 2 students.
Show answer & explanation
Correct answer: A
X.400 is associated with electronic mail, while X.500 is associated with directory services. The given pairs reverse these services, so neither statement is correct.