Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 Computer Networks Concept of Layering Physical Layer
Match the following:
i. PSTN a. Virtual Switching
ii. X.25 b. Packet Switching
iii. Internet c. Circuit Switching
iv. Frame Relay d. Datagram Switching
Match for i , ii , iii, iv respectively is:
1
a b c d
2
c b d a
3
c d a b
4
b c d a