CGS 4285 Final Exam Flashcards | UPDATED Questions with 100% Verified Answers

CGS 4285 Final Exam Flashcards | UPDATED Questions
with 100% Verified Answers
Q1: What is the main function of the data plane of the network
layer?
A: Move packets from router inputs to appropriate outputs
3 multiple choice options


Q2: Given the following forwarding table, determine the outgoing
link interface for the destination address 11001000 00010111
00011000 10101010.
A: 1
3 multiple choice options




Q3: Which of the following services is provided by the Internet
Protocol (IP)?
A: Best effort service
3 multiple choice options


Q4: If a packet needs to be sent to every host in the network,
which transmission mode should be used?
A: Broadcast
3 multiple choice options


Q5: In the subnet 1.2.3.4/24 represented using the CIDR notation,
how many IP addresses are available?
A: 256
3 multiple choice options


Q6: In the abstraction of a network, routers are represented as
vertices, and links are represented as edges. What might be
the cost of a link in real life?
A: Inverse of bandwidth
Delay

, Traffic load on link
1 multiple choice option


Q7: Apply Dijkstra's algorithm to the network below using node e
as the source.
A: 17


Q8: The algorithm will be initialized as follows
Step | N' | D(a), p(a) | D(b), p(b) | D(c), p(c) | D(d), p(d)
0 | e | ∞, - | ∞, - | 2, e | 40, e
A: 3 multiple choice options




Q9: Since D(c) is the minimum among all the nodes not in N', c will
be added to N'. After adding c to N', what will be the updated
value for D(d)?
A:


Q10: Apply the distance vector algorithm to the network below.
A: 60


Q11: Assume that node a receives the following distance vector
from node b
a|b|c|d|e
distance from b to | ∞ | 0 | 26 | 10 | ∞
A: 3 multiple choice options