Network Protocols and Standards: A Comprehensive Guide for Computer Science Students

Question 1

What is the main purpose of network addressing?

Accepted Answer

To allow devices on a network to communicate with each other

Answer

To protect network traffic from unauthorized access

Answer

To translate website URLs into IP addresses

Answer

To determine the physical layout of a network

Question 2

Which of the following is NOT a primary function of routing in network communication?

Accepted Answer

Translating between different network protocols.

Answer

Determining the path that data packets take through a network.

Answer

Ensuring that data packets are delivered to their intended destination.

Question 3

In the OSI model, which layer is responsible for managing network addressing and routing?

Accepted Answer

Network Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Physical Layer

Question 4

Which field in an Ethernet frame header specifies the intended recipient?

Accepted Answer

Destination MAC

Answer

Source MAC

Answer

Type

Answer

Checksum

Question 5

Within the TCP/IP model, which layer is responsible for addressing and routing data packets across a network?

Accepted Answer

Network Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Link Layer

Question 6

Which of the listed options is NOT a characteristic of the Ethernet protocol?

Accepted Answer

Token passing

Answer

Half-duplex communication

Answer

Carrier Sense Multiple Access with Collision Detection (CSMA/CD)

Answer

Baseband transmission

Question 7

In a computer network, what is the primary purpose of a router?

Accepted Answer

Data packet forwarding between networks

Answer

Network address translation

Answer

Network security provision

Answer

Data storage for network users

Question 8

Within a network, what is the primary purpose of a MAC address?

Accepted Answer

Identification of a specific network interface card

Answer

Routing of data packets across networks

Answer

Secure connection establishment between devices

Answer

Storage of user data

Question 9

For web browsing, which transport layer protocol is commonly employed?

Accepted Answer

TCP

Answer

UDP

Answer

SCTP

Answer

HTTP

Question 10

Explain the distinction between connection-oriented and connectionless protocols.

Accepted Answer

Connection-oriented protocols establish a dedicated connection, unlike connectionless protocols

Answer

Connectionless protocols establish a dedicated connection, unlike connection-oriented protocols

Answer

Connection-oriented protocols offer superior speed compared to connectionless protocols

Answer

Connection-oriented protocols provide enhanced security compared to connectionless protocols

Question 11

For Ethernet networks, which network standard defines the specifications at the physical layer?

Accepted Answer

IEEE 802.3

Answer

IEEE 802.11

Answer

IEEE 802.15

Answer

IEEE 802.16

Question 12

Within a network, what is the function of a subnet mask?

Accepted Answer

Determination of the network portion within an IP address

Answer

IP address assignment to devices on the network

Answer

Provision of network data security

Answer

Connection of different network types

Question 13

Which of the following is an example of a network management protocol?

Accepted Answer

SNMP

Answer

HTTP

Answer

TCP

Answer

ARP

Question 14

Which layer is not included in the TCP/IP protocol suite?

Accepted Answer

Data Link

Answer

Application

Answer

Transport

Answer

Network

Question 15

In the OSI model, which layer is responsible for data routing?

Accepted Answer

Network

Answer

Transport

Answer

Datalink

Answer

Application

Question 16

What is the primary purpose of a MAC address in networking?

Accepted Answer

To uniquely identify a device on a network

Answer

To translate domain names to IP addresses

Answer

To provide a connection between two devices

Question 17

Which of the following is not a layer within the TCP/IP protocol suite?

Accepted Answer

Data Link

Answer

Transport

Answer

Application

Answer

Internet

Question 18

What is the main purpose of a handshake in a network protocol?

Accepted Answer

To establish a common understanding and negotiate parameters for communication

Answer

To terminate a network connection

Answer

To transmit data between devices

Question 19

Which transport protocol among the following ensures reliable data transmission?

Accepted Answer

TCP

Answer

UDP

Answer

ARP

Answer

IP

Question 20

What is a key benefit of utilizing standards in network communication?

Accepted Answer

Promoting interoperability and compatibility between devices from different vendors

Answer

Enhancing data transfer speeds

Answer

Providing increased network security

Question 21

Which characteristic is undesirable in designing effective network protocols?

Accepted Answer

Unnecessary complexity

Answer

Efficiency in operation

Answer

Reliability in data transmission

Answer

Adaptability to changing network conditions

Question 22

What is the primary function of the Address Resolution Protocol (ARP) in a network?

Accepted Answer

Mapping IP addresses to corresponding MAC addresses

Answer

Providing reliable data delivery

Answer

Ensuring secure network communication

Answer

Routing data packets between networks

Question 23

Which sublayer of the Data Link layer is responsible for managing access to the network medium?

Accepted Answer

Media Access Control (MAC)

Answer

Logical Link Control (LLC)

Answer

Physical Layer

Answer

Network Layer

Question 24

Identify the protocol suite that is predominantly used on the Internet.

Accepted Answer

TCP/IP

Answer

OSI

Answer

NetBIOS

Answer

Ethernet

Question 25

Within the Open Systems Interconnection (OSI) model, which layer is responsible for routing and address resolution?

Accepted Answer

Network

Answer

Application

Answer

Transport

Answer

Data Link

Question 26

Within the OSI model, which layer is responsible for managing logical addressing and routing?

Accepted Answer

Network layer

Answer

Physical layer

Answer

Transport layer

Answer

Application layer

Question 27

Which layer in the TCP/IP suite is responsible for establishing and managing connections between devices?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Answer

Data Link Layer

Question 28

Which Ethernet frame type is used for communication between multiple hosts on the same network segment?

Accepted Answer

Broadcast

Answer

Multicast

Answer

Unicast

Answer

Anycast

Question 29

Which of the following protocols is a connection-oriented transport layer protocol?

Accepted Answer

TCP

Answer

HTTP

Answer

UDP

Answer

DNS

Question 30

Which of the following standards defines the data link layer of Ethernet?

Accepted Answer

IEEE 802.3

Answer

RFC 791

Answer

IEEE 802.11

Answer

ISO 7498

Question 31

Which of the following is a disadvantage of using connectionless protocols?

Accepted Answer

No guaranteed delivery of data

Answer

Improved network security

Answer

Reduced network latency

Answer

Higher bandwidth utilization

Question 32

Which of the following characterizes a network switch?

Accepted Answer

Forwards frames based on MAC addresses

Answer

Uses IP addresses for routing

Answer

Provides network-wide connectivity

Answer

Implements network security measures

Question 33

Which of the following protocols is used for encrypting network traffic?

Accepted Answer

SSL/TLS

Answer

DHCP

Answer

SMTP

Answer

HTTP

Question 34

What is a key benefit of standardizing network protocols?

Accepted Answer

Ensures interoperability between different devices and networks

Answer

Reduces the cost of network implementation

Answer

Improves network performance

Answer

Eliminates the need for network maintenance

Question 35

Which of the following is NOT a responsibility of the network layer?

Accepted Answer

Error detection and recovery

Answer

Routing packets

Answer

Fragmentation and reassembly of packets

Answer

Providing end-to-end connectivity

Question 36

What is the primary purpose of the OSI model?

Accepted Answer

To provide a standardized framework for the design and implementation of network protocols.

Answer

To define the encryption algorithms used in secure communication.

Answer

To specify the physical characteristics of network cables.

Question 37

What is the purpose of a socket in network communication?

Accepted Answer

To establish a bidirectional communication channel between two processes on different computers.

Answer

To provide encryption for data transmission.

Answer

To route packets through a network.

Question 38

Which protocol is responsible for translating domain names into IP addresses?

Accepted Answer

DNS

Answer

FTP

Answer

SMTP

Answer

HTTP

Question 39

What is the key difference between UDP and TCP?

Accepted Answer

UDP is a connectionless protocol, while TCP is a connection-oriented protocol.

Answer

UDP is used for voice and video transmission, while TCP is used for file transfer.

Answer

UDP is a reliable protocol, while TCP is an unreliable protocol.

Question 40

Which of the following is a security protocol used to encrypt data in network communication?

Accepted Answer

SSL/TLS

Answer

BGP

Answer

RIP

Answer

DHCP

Question 41

What is the primary function of a firewall in network security?

Accepted Answer

To monitor and control incoming and outgoing network traffic based on defined rules.

Answer

To increase the speed of data transmission over a network.

Answer

To provide access to network resources to authorized users only.

Question 42

Which of the following is a protocol used for network management and monitoring?

Accepted Answer

SNMP

Answer

DNS

Answer

HTTP

Answer

FTP

Question 43

What is the primary function of a proxy server in a network?

Accepted Answer

Acting as an intermediary between clients and servers, optimizing performance and enhancing security.

Answer

Translating domain names into IP addresses

Answer

Providing access to websites blocked by firewalls

Question 44

In the TCP/IP model, which layer is responsible for establishing, maintaining, and terminating connections?

Accepted Answer

Transport layer

Answer

Network layer

Answer

Data link layer

Answer

Application layer

Question 45

Which of the following is NOT a layer in the Open Systems Interconnection (OSI) model?

Accepted Answer

Data exchange layer

Answer

Presentation layer

Answer

Network layer

Answer

Application layer

Question 46

What is the main purpose of the Ethernet header?

Accepted Answer

To identify the source and destination devices on the network

Answer

To route data through the network

Answer

To check for data errors

Answer

To encapsulate data into frames

Question 47

In networking, which transport layer protocol is utilized for reliable data transfer?

Accepted Answer

TCP (Transmission Control Protocol)

Answer

HTTP (Hypertext Transfer Protocol)

Answer

UDP (User Datagram Protocol)

Answer

DHCP (Dynamic Host Configuration Protocol)

Question 48

What is the primary function of the Internet Control Message Protocol (ICMP)?

Accepted Answer

Exchanging error and control messages to facilitate network communication

Answer

Routing data packets across the network

Answer

Establishing and managing network connections

Answer

Translating domain names to IP addresses

Question 49

Which standard governs wireless communication in the 2.4 GHz frequency band?

Accepted Answer

IEEE 802.11n

Answer

IEEE 802.3

Answer

IEEE 802.15

Question 50

What is a key purpose of deploying a firewall in a network?

Accepted Answer

To safeguard the network by preventing unauthorized access and protecting against malicious threats

Answer

To detect and block malware

Answer

To enhance network performance and optimize data flow

Answer

To translate network addresses

Question 51

How do routers and switches differ in their roles within a computer network?

Accepted Answer

Routers connect different networks, whereas switches interconnect devices within a single network.

Answer

Switches connect different networks, while routers connect devices within a single network.

Answer

Routers have a higher data transfer rate compared to switches.

Question 52

Identify a significant advantage of a hierarchical network model:

Accepted Answer

It facilitates efficient network management and scalability, allowing for expansion and adaptation as needed.

Answer

It is challenging to implement and maintain, requiring extensive technical expertise.

Answer

It is exclusively suitable for small-scale networks.

Answer

It necessitates a large number of cables and complex configurations.