Question 1

Which transport layer protocol is connection-oriented and guarantees the delivery of data?

Accepted Answer

TCP

Answer

ARP

Answer

UDP

Answer

ICMP

Question 2

Which transport layer protocol is commonly used for real-time applications like video streaming?

Accepted Answer

UDP

Answer

SCTP

Answer

TCP

Answer

DCCP

Question 3

Which transport layer protocol uses port numbers to identify specific applications on a host?

Accepted Answer

TCP

Answer

Ethernet

Answer

HTTP

Answer

IP

Question 4

What is a key feature of the User Datagram Protocol (UDP)?

Accepted Answer

It is connectionless

Answer

It uses handshaking for reliable delivery

Answer

It establishes a connection before data transfer

Answer

It guarantees packet delivery

Question 5

In which scenario is using TCP preferable over UDP?

Accepted Answer

When data integrity and order are crucial

Answer

When speed is the top priority

Answer

For simple error detection

Answer

In broadcast communication

Question 6

Which of the following is a characteristic of the Transmission Control Protocol (TCP)?

Accepted Answer

Error recovery

Answer

No header overhead

Answer

Connectionless communication

Answer

Faster than UDP

Question 7

Which two protocols operate at the transport layer of the OSI model?

Accepted Answer

TCP and UDP

Answer

IP and ICMP

Answer

Ethernet and ARP

Answer

HTTP and FTP

Question 8

What type of applications typically use TCP over UDP?

Accepted Answer

Applications requiring reliable communication, like web browsing and file transfer.

Answer

Real-time video streaming and online gaming.

Answer

Broadcasting messages to multiple recipients.

Answer

Simple data queries and updates.

Question 9

Which of the following statements best describes a best-effort delivery protocol?

Accepted Answer

It does not guarantee message delivery, order, or duplication.

Answer

It encrypts messages for secure delivery.

Answer

It ensures that every message is delivered exactly once and in order.

Answer

It uses handshaking to confirm that messages have been received.

Question 10

What is a main limitation of best-effort delivery protocols?

Accepted Answer

Data packets may be lost or arrive out of order.

Answer

Data packets are never duplicated.

Answer

Data packets are always encrypted.

Answer

Data packets must be acknowledged for delivery.

Question 11

Which statement is true regarding best-effort delivery protocols in networking?

Accepted Answer

They prioritize sending data quickly over ensuring data reliability.

Answer

They guarantee that all data will be received in the correct order.

Answer

They include built-in mechanisms for retrying failed transmissions.

Answer

They require a connection to be established before data transfer can begin.

Question 12

Which of the following applications primarily uses TCP for data transmission?

Accepted Answer

Web browsing (HTTP)

Answer

Email (SMTP)

Answer

File Transfer Protocol (FTP)

Answer

DNS lookups

Question 13

Which of these protocols utilizes TCP to establish a reliable connection?

Accepted Answer

FTP (File Transfer Protocol)

Answer

ICMP (Internet Control Message Protocol)

Answer

HTTP/2 (over QUIC)

Answer

UDP (User Datagram Protocol)

Question 14

Which of the following services is primarily built on top of TCP?

Accepted Answer

Email services (SMTP)

Answer

DNS services

Answer

Instant messaging (using UDP)

Answer

Streaming services (RTSP)

Question 15

Which of these applications relies on TCP to ensure data integrity during transmission?

Accepted Answer

Secure Shell (SSH)

Answer

Streaming Music

Answer

Real-time Gaming

Answer

VoIP Calls

Question 16

Which of the following applications typically uses UDP for data transmission?

Accepted Answer

Video streaming

Answer

Email communication

Answer

Secure file transfer

Answer

Web browsing

Question 17

Which of the following services is most likely to use UDP for data transmission?

Accepted Answer

Voice over IP (VoIP)

Answer

File synchronization

Answer

Secure HTTP connections

Answer

Web services

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