Layering

Single correct

• A731
• B64
• C8
• D16

OSI Layers               Functionalities
(a) Network layer        (I)   Packet routing
(b) Transport layer      (II)  Framing and error handling
(c) Datalink layer       (III) Host to host communication

Single correct

• A(a)-(I), (b)-(II), (c)-(III)
• B(a)-(I), (b)-(III), (c)-(II)
• C(a)-(II), (b)-(I), (c)-(III)
• D(a)-(III), (b)-(II), (c)-(I)

Single correct

• A8.000
• B8.008
• C15.992
• D16.000

Numerical answer

Answer key coming soon

Single correct

• AP-III, Q-IV, R-II, S-I
• BP-II, Q-I, R-IV, S-III
• CP-IV, Q-I, R-II, S-III
• DP-IV, Q-I, R-III, S-II

Single correct

• A$p = 50$ and $q = 100$
• B$p = 50$ and $q = 400$
• C$p = 100$ and $q = 50$
• D$p = 400$ and $q = 50$

Answer key coming soon

Numerical answer

Single correct

• AT1 < T2 < T3
• BT1 > T2 > T3
• CT2 = T3, T3 < T1
• DT1 = T3, T3 > T2

Single correct

• AOnly I1 and I2
• BOnly I1
• COnly I2 and I3
• DOnly I3 and I4

Single correct

• ANetwork layer and Routing
• BData Link Layer and Bit synchronization
• CTransport layer and End-to-end process communication
• DMedium Access Control sub-layer and Channel sharing

Single correct

• ANetwork layer – 4 times and Data link layer – 4 times
• BNetwork layer – 4 times and Data link layer – 3 times
• CNetwork layer – 4 times and Data link layer – 6 times
• DNetwork layer – 2 times and Data link layer – 6 times

Answer key coming soon

Single correct

• ASegment
• BDatagram
• CMessage
• DFrame

Answer key coming soon