CGS 4285 Final Exam | UPDATED Questions with 100%
Verified Answers
Q1: Data-gram networks provide connection-oriented service.
A: FALSE
Q2: Given the following forwarding table, determine the outgoing
link interface for the destination address 11001000 00010111
00011000 10101010.
A: Prefix - 11001000 00010111 000100; Link interface - 1
Q3: Identify the components for a router.
A: Output Ports
Switching Fabric
Routing Processor
Input Ports
Q4: In the subnet 11.22.33.44/24 represented using the CIDR
notation, how many IP addresses are available?
A: 256
Q5: Which protocol allows host to dynamically obtain its IP
address when it joins a network?
A: DHCP
Q6: Apply Dijksta's algorithm to the network below using node A
as the source. In the initialization step, what should be the
distance D(c) from node A to C?
A: ∞ (infinity)
Q7: The distance vector routing algorithm allows nodes to work
asynchronously.
A: TRUE
Q8: What is not a reason for hierarchical routing?
A: To find a shorter path
Q9: What is the standard inter-AS routing protocol in today's
Internet?
A: BGP
, Q10: Multicast is one to _____ transmission. Broadcast is one to _____
transmission.
A: Many/Multiple
All
Q11: Which of the following is not a service provided by the link
layer?
A: Congestion Control
Q12: One dimensional parity checking can detect a 2-bit error.
A: FALSE
Q13: Using a 4-bit generator, how many bits of transmission errors
can be detected by CRC (cyclic redundancy check)?
A: 3
Q14: CSMA (Carrier Sensing Multiple Access) completely eliminates
collisions.
A: FALSE
Q15: Identify the three categories of MAC protocols.
A: Channel Partitioning
Taking turns
Random Access
Q16: What is the protocol to translate an IP address to a MAC
address?
A: ARP
Q17: (Diagram not displayed) For the network below, A sends a
packet to B. When the frame is transmitted between A and R,
what is the destination MAC address?
A: E6-E9-00-17-BB-4B
Q18: Select the features of Ethernet.
A: Unreliable
Connectionless
Using CSMA/CD as MAC protocol
Q19: When an Ethernet switch forwards a packet, if the destination
MAC address is NOT in the switch table, the switch will do a
______; otherwise, if the destination MAC address is in the switch
Verified Answers
Q1: Data-gram networks provide connection-oriented service.
A: FALSE
Q2: Given the following forwarding table, determine the outgoing
link interface for the destination address 11001000 00010111
00011000 10101010.
A: Prefix - 11001000 00010111 000100; Link interface - 1
Q3: Identify the components for a router.
A: Output Ports
Switching Fabric
Routing Processor
Input Ports
Q4: In the subnet 11.22.33.44/24 represented using the CIDR
notation, how many IP addresses are available?
A: 256
Q5: Which protocol allows host to dynamically obtain its IP
address when it joins a network?
A: DHCP
Q6: Apply Dijksta's algorithm to the network below using node A
as the source. In the initialization step, what should be the
distance D(c) from node A to C?
A: ∞ (infinity)
Q7: The distance vector routing algorithm allows nodes to work
asynchronously.
A: TRUE
Q8: What is not a reason for hierarchical routing?
A: To find a shorter path
Q9: What is the standard inter-AS routing protocol in today's
Internet?
A: BGP
, Q10: Multicast is one to _____ transmission. Broadcast is one to _____
transmission.
A: Many/Multiple
All
Q11: Which of the following is not a service provided by the link
layer?
A: Congestion Control
Q12: One dimensional parity checking can detect a 2-bit error.
A: FALSE
Q13: Using a 4-bit generator, how many bits of transmission errors
can be detected by CRC (cyclic redundancy check)?
A: 3
Q14: CSMA (Carrier Sensing Multiple Access) completely eliminates
collisions.
A: FALSE
Q15: Identify the three categories of MAC protocols.
A: Channel Partitioning
Taking turns
Random Access
Q16: What is the protocol to translate an IP address to a MAC
address?
A: ARP
Q17: (Diagram not displayed) For the network below, A sends a
packet to B. When the frame is transmitted between A and R,
what is the destination MAC address?
A: E6-E9-00-17-BB-4B
Q18: Select the features of Ethernet.
A: Unreliable
Connectionless
Using CSMA/CD as MAC protocol
Q19: When an Ethernet switch forwards a packet, if the destination
MAC address is NOT in the switch table, the switch will do a
______; otherwise, if the destination MAC address is in the switch
