Final Exam Multiple Choice Questions | Môn Computer Network - Trường Đại học Quốc tế, Đại học Quốc gia Thành phố Hồ Chí Minh

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COMPUTER NETWORK – MULTIPLE CHOICE 1.
What are the main components of router?
Routing Processor, Switching Fabric, Input, Output 2.
What is the function of ICMP (Internet Control Message Protocol) in the network layer?
To report errors and provide diagnostic information 3.
Which protocol is commonly used for control plane communication in a Border Gateway Protocol (BGP) environment?
TCP (Transmission Control Protocol) 4. ICMP stands for
Internet Control Message Protocol 5.
What is the drawback of the distance vector routing algorithm? It is susceptible to routing
loops and count-to-infinity issues 6.
Which protocol is commonly used in SDN to communicate between the control plane and data plane? OpenFlow 7.
Which protocol is commonly used for the dynamic allocation of IPv4 addresses?
Dynamic Host Configuration Protocol (DHCP) 8. ICMP is a protocol used for
Error reporting and diagnostic messages 9.
What is the advantage of using the link state routing algorithm over the distance vector algorithm?
It provides faster convergence in large networks 10.
Which protocol operates at the network layer to deliver packets across different networks? IP (Internet Protocol) 11.
Which routing algorithm is based on the concept of link-state information?
Open Shortest Path First (OSPF) 12.
What is the role of the OpenFlow protocol in SDN?
It enables communication between the SDN controller and network devices 13.
What is the structure of IPv4 address? Network portion and host portion lOMoAR cPSD| 23136115 14.
Which network device is responsible for hosting the control plane functions in a computer network? Router 15.
What is the drawback of the link state routing algorithm? It is less scalabel for large networks 16.
Which of the following is NOT a function of the control plane? Data packet forwarding 17.
How does IPv6 handle the issue of Network Address Translation (NAT) in IPv4?
It eliminates the need for NAT by providing a large address space 18.
What is the advantage of using the distance vector routing algorithm over the link state routing algorithm?
It requires less memory and processing resources 19.
How does the switching fabric impact the performance of a router? It determines the
maximum throughput and latency of the router 20.
What is the purpose of the subnet mask in an IPv4 address? To identify the network portion of the address 21.
Which routing algorithm is based on the concept of exchanging routing information
between neighboring routers? Distance Vector Routing Algorithm 22.
What is the control plane in computer networking?
The part of the network responsible for controlling and managing network devices 23.
How does a router share its routing table information in the distance vector routing algorithm?
By sending the information directly to neighboring routers 24.
Which of the following is a characteristic of the data plane in the network layer?
It focuses on the efficient forwarding of packets 25.
Which layer of the OSI model corresponds to the network layer? Layer 3 26.
ICMP is closely associated with which protocol? IP (Internet Protocol) 27.
Which component of a router is responsible for processing and forwarding data packets? Switching Fabric lOMoAR cPSD| 23136115 28.
What is the purpose of Network Address Translation (NAT) in IPv4? To translate private IP
addresses to public IP addresses for internet connectivity 29.
How is an IPv6 address written? In hexadecimal format 30.
Which of the following is an example of an SDN controller? OpenDaylight 31.
Which statement about Static NAT is correct? It allows for one-to-many IP address translation 32.
What is the advantage of using SDN in network layer management? Simplified network management and configuration 33.
Which of the following is NOT a switching technique used in router? Token 34.
Which component of a network device is responsible for executing control plane functions? Central Processing Unit (CPU) 35.
Which statement about ICMP is correct?
ICMP messages are always sent in response to specific events 36.
Which statement about the link state routing algorithm is correct? It provides a more
accurate representation of network topology than distance vector routing algorithms 37.
What information does a router maintain in the link state database in the link state routing algorithm?
Topology information of the entire network 38.
Which ICMP messages type is used to test the reachability of a host or network (i.e. ping)? Echo Request 39.
What is tunneling in the context of IPv6 transition?
Encapsulating IPv6 packets within IPv4 packets for transport across IPv4 networks 40.
Which algorithm is used by routers to determine the shortest path in the distance vector
routing algorithm? Bellman-Ford algorithm 41.
What is the default subnet mask for a class C IPv4 address? 255.255.255.0 42.
Which statement about BGP is correct?
It is a protocol used for routing between different autonomous systems (AS) 43.
What is the maximum number of unique IPv4 addresses? lOMoAR cPSD| 23136115 4 billion 44.
What is the primary function of the data plane in the network layer? Forwarding packets between network devices 45.
Which of the following devices operate at the data plane in the network layer? Router 46.
What is the structure of an IPv6 address? Prefix and suffix 47.
What is the main concept behind SDN?
Centralized control and programmability of network infrastructure 48.
In network layer, what is the purpose of Quality of Service (QoS) mechanism?
To prioritize certain types of network traffic 49.
Which device is typically responsible for performing NAT? Router 50.
How does a router calculate the shortest path to a destination in the link state routing algorithm?
By running Dijkstra’s algorithm on the link state database 51.
How does SDN improve network agility in the network layer?
It allows for rapid deployment and reconfiguration of network services 52.
Which classful address range is reserved for multicast addresses? Class D 53.
How dose the link state routing algorithm handle network changes or failures?
By recalculating the shortest path using Dijkstra’s algorithm 54.
How does a router share its link state information in the link state routing algorithm?
By flooding the information to all routers in the network 55.
Which of the following is NOT an example of a control plane protocol used for routing in the Internet?
Internet Control Message Protocol 56.
Which of the following characteristic of the link state routing algorithm? It converges quickly in large networks 57.
Which of the following is an example of an addressing scheme used in the network layer?
IPv4 (Internet Protocol version 4) lOMoAR cPSD| 23136115 58.
Which protocol is commonly used for control plane communication between network devices?