Network Standards and Protocols: A Comprehensive Guide for Computer Network Administration

Question 1

Within the TCP/IP model, which layer handles the routing of data packets?

Accepted Answer

Network

Answer

Transport

Answer

Application

Answer

Data Link

Question 2

What is the primary function of the Domain Name System (DNS)?

Accepted Answer

Translating domain names into IP addresses

Answer

Establishing secure connections between hosts

Answer

Managing network traffic flow

Answer

Storing user data

Question 3

What is the primary purpose of the Open Systems Interconnection (OSI) model?

Accepted Answer

To provide a framework for designing and implementing network protocols

Answer

To define the physical components of a network

Answer

To manage network security

Answer

To enhance network performance

Question 4

In the OSI model, what is the main function of the Data Link layer?

Accepted Answer

Transmitting data reliably over a physical medium

Answer

Establishing and managing connections between devices

Answer

Routing data packets through the network

Answer

Providing applications with network services

Question 5

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

Accepted Answer

SNMP

Answer

HTTP

Answer

TCP

Answer

DNS

Question 6

What is the primary function of a network bridge?

Accepted Answer

Connecting multiple LAN segments

Answer

Routing traffic between different networks

Answer

Filtering and forwarding network traffic

Answer

Providing VPN connectivity

Question 7

Within the OSI model, which layer is responsible for ensuring reliable data transmission and flow control?

Accepted Answer

Transport Layer

Answer

Network Layer

Answer

Data Link Layer

Answer

Physical Layer

Question 8

What is the primary function of a MAC address in network communication?

Accepted Answer

Identifying a specific device on a network segment

Answer

Routing data packets between different networks

Answer

Providing error correction during data transfer

Answer

Managing access to shared network resources

Question 9

Which protocol is predominantly used for transferring files over a network?

Accepted Answer

FTP

Answer

TCP

Answer

UDP

Answer

HTTP

Question 10

Which protocol is utilized to dynamically assign IP addresses to devices on a network?

Accepted Answer

DHCP

Answer

ARP

Answer

DNS

Answer

HTTP

Question 11

What is the primary purpose of a subnet mask in network configuration?

Accepted Answer

Subdividing a network into smaller segments

Answer

Identifying the network address

Answer

Specifying the broadcast address

Answer

Determining the network class

Question 12

Which of the following best describes the concept of a network topology?

Accepted Answer

The physical or logical layout of devices and connections in a network

Answer

The protocols used for communication within a network

Answer

The security measures implemented to protect a network

Answer

The type of network devices used, such as routers and switches

Question 13

What is the primary function of a gateway in a network environment?

Accepted Answer

Connecting different networks and facilitating communication between them

Answer

Providing network security by filtering and monitoring traffic

Answer

Managing network traffic and optimizing performance

Answer

Assigning IP addresses to devices on the network

Question 14

What is the purpose of a virtual LAN (VLAN) in network management?

Accepted Answer

Logically segmenting a network into multiple isolated domains

Answer

Physically separating devices on a network

Answer

Creating a redundant network path for increased reliability

Answer

Providing remote access to network resources

Question 15

How does DHCP make network administration easier?

Accepted Answer

It automatically assigns IP addresses, preventing errors and ensuring consistent allocation.

Accepted Answer

It centralizes IP address management, simplifying administration and reducing workload.

Accepted Answer

It minimizes IP address conflicts by dynamically managing allocation, reducing manual conflict resolution.

Answer

It provides automated troubleshooting tools for network connectivity issues.

Question 16

Which protocol is primarily responsible for resolving domain names into their corresponding IP addresses?

Accepted Answer

DNS

Answer

UDP

Answer

HTTP

Answer

TCP

Question 17

Which protocol is utilized to establish a reliable and connection-oriented communication channel between devices?

Accepted Answer

TCP

Answer

UDP

Answer

DNS

Answer

IP

Question 18

Which of the following is NOT a commonly used network topology?

Accepted Answer

Star-mesh

Answer

Bus

Answer

Star

Answer

Ring

Question 19

What is the primary purpose of a firewall in a network security context?

Accepted Answer

To safeguard the network from unauthorized external access

Answer

To monitor network traffic

Answer

To provide secure network access

Answer

To facilitate network connectivity

Question 20

Which of the following options represents a widely recognized wireless network standard?

Accepted Answer

802.11

Answer

TCP/IP

Answer

Ethernet

Answer

OSI

Question 21

What is the primary function of a router in a network?

Accepted Answer

To facilitate data transmission and network interconnection

Answer

To translate domain names into IP addresses

Answer

To establish wireless network connections

Question 22

Within the TCP/IP model, which layer is responsible for ensuring reliable data delivery?

Accepted Answer

Transport

Answer

Physical

Answer

Network

Answer

Application

Question 23

What is the primary purpose of a MAC address?

Accepted Answer

To uniquely identify a device's network interface

Answer

To translate domain names into IP addresses

Answer

To establish wireless network connections

Answer

To safeguard a network from unauthorized access

Question 24

Which of the following best describes a key advantage of utilizing network standards and protocols?

Accepted Answer

Enhanced interoperability and efficiency

Answer

Increased cost

Answer

Reduced security

Answer

Limited compatibility