Which of the following choices has correct statement$($s$)?$

a$.$ RPF and Steiner are examples of the source$-$based tree

b$.$ RPF and Steiner are examples of the group$-$shared tree

c$.$ RPF is an example of the sourcebased tree. Steiner is an example of the group$-$shared tree

d$.$ RPF is an example of the groupshared tree. Steiner is an example of the source$-$based tree

e$.$ Center$-$based tree is an example of the source$-$based tree

Suppose a router uses longest prefix matching and has the following forwarding table

$\backslash$table$[[$Prefix Match,Interface$],[00010110100011110101,0],[10001,],[00010110100011110101,1],[100011,],[00010110100011110101,2],[1000111,],[$Otherwise$,3]]$

How many addresses are associated with Interface $1?$

a$.16$

b$.32$

c$.64$

d$.128$

e$.256$

$17.$ Suppose there are three routers between a source host and a destination host. Ignoring fragmentation, an IP datagram sent from the source host to the destination host will travel over how many interfaces?

a$.2$

b$.3$

c$.5$

d$.6$

e$.8$

$18.$ What does IMAP stand for?

a$.$ Internet Mail Access Protocol

b$.$ Internet Management And Providing

c$.$ Internet Mail Address Protocol

d$.$ Internet Mail Agent Protocol

e$.$ Internet Management Application Packet

Use the following figure for answering questions $(1923)$:

$19.$ During which of the following intervals the TCP slow start is operating?

a$.1,10$

b$.6,16$

c$.17,22$

d$.6,22$

e$.23,26$

$20.$ After which transmission round the segment loss is detected by a triple duplicate ACK?

a$.1$

b$.6$

c$.16$

d$.22$

e$.23$

$21.$ Assuming a packet loss is detected after the ${26}^{th}$ round by the receipt of a triple duplicate ACK, what will be the value of the congestion window size?

a$.1$

b$.2$

c$.4$

d$.21$

e$.32$