Types of Network Protocols: A Comprehensive Guide for Network Administrators

Question 1

Which of the following protocols is a routing protocol used to determine the optimal path for data packets in a network?

Accepted Answer

Border Gateway Protocol (BGP)

Answer

Transmission Control Protocol (TCP)

Answer

Internet Protocol (IP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 2

At which layer of the TCP/IP model does the Transmission Control Protocol (TCP) operate?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Answer

Data Link Layer

Question 3

Which protocol is responsible for transferring web pages to a user's browser?

Accepted Answer

Hypertext Transfer Protocol (HTTP)

Answer

File Transfer Protocol (FTP)

Answer

Simple Mail Transfer Protocol (SMTP)

Answer

Domain Name System (DNS)

Question 4

Which protocol is used to transfer files over a network?

Accepted Answer

File Transfer Protocol (FTP)

Answer

Hypertext Transfer Protocol (HTTP)

Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Question 5

Which protocol is a connectionless protocol, meaning it does not establish a connection before sending data?

Accepted Answer

User Datagram Protocol (UDP)

Answer

Transmission Control Protocol (TCP)

Answer

Internet Protocol (IP)

Answer

Internet Control Message Protocol (ICMP)

Question 6

Which protocol is responsible for resolving domain names to IP addresses?

Accepted Answer

Domain Name System (DNS)

Answer

Dynamic Host Configuration Protocol (DHCP)

Answer

Address Resolution Protocol (ARP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 7

Which protocol is used to configure IP addresses on devices automatically?

Accepted Answer

Dynamic Host Configuration Protocol (DHCP)

Answer

Domain Name System (DNS)

Answer

Address Resolution Protocol (ARP)

Answer

Internet Control Message Protocol (ICMP)

Question 8

Which protocol is used to test the connectivity between two devices on a network?

Accepted Answer

Internet Control Message Protocol (ICMP)

Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 9

Which layer of the TCP/IP model is responsible for providing a reliable connection between two devices?

Accepted Answer

Transport Layer

Answer

Network Layer

Answer

Application Layer

Answer

Data Link Layer

Question 10

Which protocol is used for secure communication over a network?

Accepted Answer

Secure Shell (SSH)

Answer

Hypertext Transfer Protocol (HTTP)

Answer

File Transfer Protocol (FTP)

Answer

Domain Name System (DNS)

Question 11

Which of the following protocols is a routing protocol primarily responsible for routing information between networks?

Accepted Answer

BGP

Answer

TCP

Answer

IP

Answer

HTTP

Question 12

In the TCP/IP model, which layer is responsible for ensuring reliable transmission of data by handling data segmentation, sequencing, and acknowledgment?

Accepted Answer

Transport Layer

Answer

Network Layer

Answer

Application Layer

Answer

Data Link Layer

Question 13

Which of the following is a mail transfer protocol used to send and receive electronic messages?

Accepted Answer

SMTP

Answer

FTP

Answer

DNS

Answer

HTTP

Question 14

Which protocol is designed to provide reliable, error-free, and ordered data delivery between two end devices, commonly used in web browsing?

Accepted Answer

TCP

Answer

UDP

Answer

IP

Answer

HTTP

Question 15

What is the primary purpose of a domain name system (DNS) server?

Accepted Answer

To translate domain names, which are human-readable website addresses, into their corresponding numerical IP addresses

Answer

To route packets across a network based on their destination addresses

Answer

To manage network configuration settings, such as IP addresses and DNS server addresses

Answer

To provide email services, such as sending and receiving messages

Question 16

Which of the following is a characteristic of connectionless protocols, in contrast to connection-oriented protocols?

Accepted Answer

Packets can be sent and received independently, without the need to establish a connection

Answer

Requires establishment and termination of connections before data exchange

Answer

Guarantees reliable data delivery and ensures data arrives in the correct order

Answer

Provides error checking and retransmission mechanisms to ensure data integrity

Question 17

Which protocol is commonly used to establish secure virtual private networks (VPNs) for remote access and secure data transmission over public networks?

Accepted Answer

IPSec

Answer

SSL

Answer

SMTP

Answer

FTP

Question 18

In the TCP/IP reference model, which layer is responsible for providing the physical and logical means of transmitting data over a network?

Accepted Answer

Network Access Layer

Answer

Internet Layer

Answer

Transport Layer

Answer

Application Layer

Question 19

Which transport protocol provides reliable, sequenced, and error-corrected data delivery?

Accepted Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

Internet Control Message Protocol (ICMP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 20

Which application protocol is commonly used for transferring files between hosts over the Internet?

Accepted Answer

File Transfer Protocol (FTP)

Answer

Simple Mail Transfer Protocol (SMTP)

Answer

Domain Name System (DNS)

Answer

Telnet

Question 21

Which of the following is a Layer 2 protocol?

Accepted Answer

Ethernet

Answer

Transmission Control Protocol (TCP)

Answer

Internet Protocol (IP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 22

Which protocol is used to translate domain names into IP addresses, facilitating communication on the Internet?

Accepted Answer

Domain Name System (DNS)

Answer

Dynamic Host Configuration Protocol (DHCP)

Answer

Address Resolution Protocol (ARP)

Answer

Internet Control Message Protocol (ICMP)

Question 23

Which characteristic is NOT typically associated with a reliable network protocol?

Accepted Answer

High latency

Answer

Error correction mechanisms

Answer

Flow control

Answer

No duplicate messages

Question 24

Which network protocol is used to encapsulate data and provide addressing information for transmission over a network?

Accepted Answer

Internet Protocol (IP)

Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

Ethernet

Question 25

Which type of network protocol does not establish a persistent connection between sender and receiver before data transmission?

Accepted Answer

User Datagram Protocol (UDP)

Answer

Transmission Control Protocol (TCP)

Answer

Internet Protocol (IP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 26

Which protocol is commonly used for secure remote login and command-line access to a computer over a network?

Accepted Answer

Secure Shell (SSH)

Answer

Telnet

Answer

File Transfer Protocol (FTP)

Answer

Simple Mail Transfer Protocol (SMTP)