Final Review: Link State & Distance Vector Routing Insights | Môn Computer Network - Trường Đại học Quốc tế, Đại học Quốc gia Thành phố Hồ Chí Minh

lOMoAR cPSD| 23136115 Comp net final Review
1. What is the drawback of the link state routing algorithm?
It requires frequent updates due to its dynamic nature
It is susceptible to routing loops and count-to-infinity issues
It is less scalable for large networks
It does not support route summarization
2. What information does a router maintain in the link state database in the link state routing algorithm? Routing table entries
Hop count to destination networks Neighbor router information
Topology information of the entire network 3. ICMP stands for
Internet Configuration and Management Protocol
Internet Communication Monitoring Protocol Internet Connection Management Protocol
Internet Control Message Protocol
4. Which statement about ICMP is correct?
ICMP messages are always sent in response to specific events
ICMP messages are transported over TCP
ICMP provides reliable data transfer
ICMP is primarily used for routing and forwarding packets lOMoAR cPSD| 23136115
5. In a network layer, what is the purpose of Quality of Service (QoS) mechanisms?
To prioritize certain types of network traffic
To encrypt data packets for secure transmission
To establish connections between hosts
To prevent unauthorized access to the network
6. Which control plane function involves exchanging routing information between network devices? Network monitoring Network configuration Routing table updates
Quality of Service (QoS) Management
7. What is the impact of control plane failures on a computer network?
Data packet forwarding is disrupted
Network security is compromised
Network performance is degraded Network connectivity is lost
8. How is an IPv4 address written? In binary format In hexadecimal format In octal format
In decimal format with dot- decimal notation
9. What is the disadvantage of using NAG?
It may increase network latency It weakens network security lOMoAR cPSD| 23136115
It requires additional network infrastructure All of above
10. How does the link state routing algorithm handle network changes or failures?
By sending periodic updates to all routers in the network
By recalculating the shortest path using Dijkstra's algorithm
By adjusting the hop count to affected networks
By initiating a routing table update process
11. Which ICMP message type is used to test the reachability of a host or network (i.e. ping)? Echo Request Destination Unreachable Time Exceeded Redirect
12. What does SDN stand for?Software-Defined Networking Software-Designed Networking Software-Definition Network
Software-Distributed Networking
13. What is the advantage of using the distance vector routing algorithm over the link state routing algorithm?
It converges more quickly in large networks
It requires less memory and processing resources
It provides more accurate network topology information
It supports more advanced routing features
14. What is the purpose of the Address Resolution Protocol (ARP) in IPv4? lOMoAR cPSD| 23136115
To map IP addresses to MAC addresses
To route IPv4 packets between networks
To assign unique IP addresses to devices within a network
To translate private IP addresses to public IP addresses for internet connectivity
15. Which classful address range is reserved for multicast addresses? Class A Class B Class C Class D
16. Which of the following is NOT a function of the control plane? Network device configuration Routing table updates Data packet forwarding
Network monitoring and management
17. Which field in the IPv4 header is used for fragmentation and reassembly of packets? Source IP address Destination IP address Datagram length Identifier
18. What does a router do in the network layer?
Forwards packets based on destination IP addresses
Translates IP addresses into physical addresses
Establishes connections between hosts
Filters and blocks malicious network traffic lOMoAR cPSD| 23136115
19. How does a router share its routing table information in the distance vector routing algorithm?
By broadcasting the information to all routers in the network
By multicasting the information to specific routers in the network
By sending the information directly to neighboring routers
By flooding the information to all routers in the network
20. Which IPv4 address range is reserved for private networks? 10.0.0.0-10.255.255.255 172.16.0.0 - 172.31.255.255 192.168.0.0 192.168.255.255 All of the above
21. Which protocol operates at the network layer to deliver packets across different networks? IP (Internet Protocol)
TCP (Transmission Control Protocol) ICMP (Internet Control Message Protocol)
ARP (Address Resolution Protocol)
22. Which protocol is commonly used for control plane communication in a Border Gateway
Protocol (BGP) environment?
TCP (Transmission Control Protocol) UDP (User Datagram Protocol)
ICMP (Internet Control Message Protocol)
SNMP (Simple Network Management Protocol)
23. How does SDN improve network agility in the network layer? lOMoAR cPSD| 23136115
It increases network complexity and management overhead
It allows for rapid deployment and reconfiguration of network services
It limits the flexibility of network infrastructure
It requires manual configuration of network devices
24. Which of the following is a limitation of SDN in the network layer?Dependency on a
centralized controller can be a single point of failure
Reduced network performance and increased latency
Inability to handle large- scale networks
Limited support for network virtualization
25. Which of the following is an example of an SDN controller? OpenVPN Wireshark OpenDaylight Cisco IOS
26. How does a router calculate the shortest path to a destination in the link state routing algorithm?
By comparing the hop count to the destination network
By using the Bellman-Ford algorithm
By running Dijkstra's algorithm on the link state database
By consulting the routing table entries
27. Which of the following is NOT a switching technique used in router? Shared Memory Bus Interconnection Network lOMoAR cPSD| 23136115 Token
28. Which of the following is a characteristic of the data plane in the network layer?
It determines the optimal path for packet delivery
It manages network resources and bandwidth allocation
It enforces security policies and access control
It focuses on the efficient forwarding of packets
29. Which network device is responsible for hosting the control plane functions in a computernetwork? Modem Switch Router Firewall
30. Which of the following devices operates at the data plane in the network layer? Router Switch Hub Firewall
31. ICMP is a protocol used for Transporting data packets
Establishing network connections
Error reporting and diagnostic messages
Network address translation (NAT) lOMoAR cPSD| 23136115
32. Which protocol is commonly used for the dynamic allocation of IPv4 addresses?
Internet Protocol Security (IPSec)
Internet Control Message Protocol (ICMP)
Dynamic Host Configuration Protocol (DHCP) Border Gateway Protocol (BGP)
33. Which statement about Static NAT is correct?
It allows for one-to-many IP address translation
It dynamically assigns IP addresses to hosts
It is commonly used for small networks
It provides better network security than Dynamic NAT
34. What is the main concept behind SDN?
Centralized control and programmability of network infrastructure
Decentralized control and Manual configuration of network devices
Hardware-based networking without software abstraction
Decentralized control and programmability of network infrastructure
35. What is the advantage of using the link state routing algorithm over the distance vector routing algorithm?
It has lower memory and processing requirements
It is easier to implement and configure
It provides faster convergence in large networks
It is more suitable for stable network topologies