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A+ 1101 TCP/UDP protocols quiz

Total questions: 61

Worksheet time: 31mins

Name
Class
Date
1.

What does TCP stand for?

a)

Transmission Control Protocol

b)

Transfer Control Protocol

c)

Transmission Communication Protocol

d)

Transfer Communication Protocol

2.

What type of sessions are TCP sessions known as?

a)

Connection-oriented sessions

b)

Connectionless sessions

c)

Data-oriented sessions

d)

Data-less sessions

3.

What is the first step in the TCP three-way handshake?

a)

SYN

b)

SYN + ACK

c)

ACK

d)

FIN

4.

What does the server send in response to a SYN packet in the TCP three-way handshake?

a)

SYN + ACK

b)

ACK

c)

SYN

d)

FIN

5.

What is the purpose of flow control in TCP?

a)

To prevent a sender from overwhelming a server by sending too many packets too quickly

b)

To ensure packets are sent in the correct order

c)

To establish a connection between two devices

d)

To encrypt the data being sent

6.

What is one example of UDP usage mentioned in the text?

a)

File transfer

b)

Streaming media sessions

c)

Email communication

d)

Web browsing

7.

What does UDP not use that TCP does?

a)

Handshake process or flow control

b)

Data encryption

c)

Error correction

d)

Port numbers

8.

What is the default port number for HTTP?

a)

443

b)

80

c)

21

d)

25

9.

What is the full name of HTTPS?

a)

Hypertext Transfer Protocol

b)

Hypertext Transfer Protocol Secure

c)

Hypertext Transfer Protocol Simple

d)

Hypertext Transfer Protocol Standard

10.

Why is HTTPS preferred over HTTP for most websites today?

a)

It is faster

b)

It is more secure

c)

It is easier to implement

d)

It uses less bandwidth

11.

What is the default port number for HTTPS?

a)

80

b)

21

c)

443

d)

25

12.

What is the primary purpose of HTTPS?

a)

To speed up data transmission

b)

To keep a user's information private and prevent tampering and eavesdropping

c)

To reduce server load

d)

To simplify web development

13.

What is the default port number used by HTTPS for secure connections?

a)

80

b)

443

c)

3515

d)

8080

14.

What type of port is used by a local computer to send and receive data to and from a web server?

a)

Inbound port

b)

Outbound port

c)

Secure port

d)

Dynamic port

15.

What is the IP address of the local computer in Figure 5.1?

a)

216.97.236.245

b)

10.252.0.141

c)

192.168.1.1

d)

127.0.0.1

16.

Which protocol is recommended for secure web connections?

a)

HTTP

b)

FTP

c)

HTTPS

d)

SMTP

17.

What is the purpose of using HTTPS for web servers?

a)

To increase the speed of the connection

b)

To provide a secure connection using encryption

c)

To reduce the cost of hosting

d)

To allow multiple users to connect simultaneously

18.

What is the public IP address of the web server in Figure 5.1?

a)

10.252.0.141

b)

192.168.0.1

c)

216.97.236.245

d)

127.0.0.1

19.

What is the role of Transport Layer Security (TLS) in HTTPS?

a)

To compress data

b)

To encrypt data for secure transmission

c)

To increase bandwidth

d)

To manage IP addresses

20.

Which protocol is used to send email from an email client to an email server?

a)

SMTP

b)

POP3

c)

IMAP

d)

HTTP

21.

What is the default port for secure SMTP transmissions?

a)

25

b)

110

c)

587

d)

995

22.

Which protocol is commonly used by email clients to retrieve incoming email from a mail server?

a)

SMTP

b)

POP3

c)

IMAP

d)

HTTP

23.

What is the default port for secure POP3 transmissions?

a)

110

b)

587

c)

993

d)

995

24.

Which protocol allows email messages to remain on the email server so they can be retrieved from any location?

a)

SMTP

b)

POP3

c)

IMAP

d)

HTTP

25.

What is the default port for secure IMAP transmissions?

a)

143

b)

587

c)

993

d)

995

26.

What mnemonic device can help you remember the acronym for SMTP?

a)

Send Mail To People

b)

Send Mail To Protocol

c)

Send Mail To Port

d)

Send Mail To Provider

27.

Which protocol allows computers to transfer files back and forth and typically uses port 21?

a)

SSH

b)

FTP

c)

Telnet

d)

HTTP

28.

Which port is used by SSH for secure communication?

a)

21

b)

20

c)

22

d)

80

29.

Which protocol is deprecated due to its insecurity and should be avoided?

a)

FTP

b)

SSH

c)

Telnet

d)

SFTP

30.

What is the main advantage of using SFTP over regular FTP?

a)

SFTP is faster

b)

SFTP uses port 21

c)

SFTP provides file access over a reliable and secure connection

d)

SFTP is connectionless

31.

Which protocol is commonly used for booting a system from a network and is connectionless?

a)

FTP

b)

TFTP

c)

SSH

d)

SFTP

32.

Which ports are used by FTPS (FTP Secure) for secure file transfer?

a)

20 and 21

b)

22 and 23

c)

989 and 990

d)

80 and 443

33.

What does Telnet stand for?

a)

Telecommunication Network

b)

Television Network

c)

Telecommunication Node

d)

Television Node

34.

Which port does Telnet use?

a)

22

b)

23

c)

80

d)

443

35.

What is the primary function of DHCP?

a)

To provide remote access to other hosts

b)

To assign IP addresses to hosts

c)

To encrypt data streams

d)

To manage network security

36.

In a typical IPv4 network, which port does a DHCP server need to have inbound open?

a)

67

b)

68

c)

80

d)

443

37.

What is the advantage of using DHCP for IP address assignment?

a)

It provides static IP addresses

b)

It encrypts data streams

c)

It automatically assigns IP addresses dynamically

d)

It manages network security

38.

Which port do DHCPv6 servers use?

a)

67

b)

68

c)

546

d)

547

39.

What transport protocol do DHCPv4 servers use?

a)

TCP

b)

UDP

c)

ICMP

d)

HTTP

40.

What is DHCP sometimes referred to as?

a)

BOOTP

b)

DNS

c)

LDAP

d)

HTTP

41.

What does DNS stand for?

a)

Domain Name System

b)

Data Network System

c)

Digital Name Service

d)

Domain Network Service

42.

Which port is typically used by DNS servers?

a)

53

b)

80

c)

443

d)

389

43.

What command can be used in Windows to find the DNS server your computer talks to?

a)

ipconfig/all

b)

ping

c)

tracert

d)

nslookup

44.

What does LDAP stand for?

a)

Lightweight Directory Access Protocol

b)

Local Directory Access Protocol

c)

Lightweight Data Access Protocol

d)

Local Data Access Protocol

45.

Which port does Secure LDAP run on by default?

a)

389

b)

636

c)

53

d)

443

46.

What is the primary purpose of the Remote Desktop Protocol (RDP)?

a)

To facilitate connections to remote computers and allow full remote control

b)

To manage network devices

c)

To provide access to shared items such as files and printers

d)

To encrypt data transmissions

47.

Which port is used by the Remote Desktop Protocol (RDP)?

a)

445

b)

3389

c)

137

d)

389

48.

What does the netstat command show in Figure 5.2?

a)

The status of network interfaces

b)

The open ports and their states

c)

The list of active users

d)

The system's IP configuration

49.

What is the function of the Server Message Block (SMB) protocol?

a)

To manage and monitor network devices

b)

To provide access to shared items such as files and printers

c)

To encrypt data transmissions

d)

To facilitate remote desktop connections

50.

Which port does the SMB protocol use when communicating directly over TCP?

a)

445

b)

3389

c)

137

d)

389

51.

What is the purpose of the Simple Network Management Protocol (SNMP)?

a)

To provide access to shared items such as files and printers

b)

To manage and monitor network devices

c)

To facilitate remote desktop connections

d)

To encrypt data transmissions

52.

What is the main software that controls everything SNMP based?

a)

Network Management System (NMS)

b)

Simple Network Management Protocol (SNMP)

c)

Secure Shell (SSH)

d)

Domain Name System (DNS)

53.

What port does SNMP use by default?

a)

22

b)

80

c)

161

d)

443

54.

What is the secure port for HTTP?

a)

80

b)

443

c)

22

d)

110

55.

Which protocol uses port 25?

a)

FTP

b)

SSH

c)

SMTP

d)

DNS

56.

Which protocol is not considered a secure protocol?

a)

SSH

b)

Telnet

c)

SMTP

d)

HTTP

57.

What port does SNMPTRAP use?

a)

161

b)

162

c)

143

d)

389

58.

Which protocol uses port 110?

a)

POP3

b)

IMAP

c)

LDAP

d)

RDP

59.

What is the secure port for IMAP?

a)

143

b)

993

c)

636

d)

445

60.

Which protocol uses port 53?

a)

FTP

b)

DNS

c)

DHCP

d)

SMB

61.

What is the secure port for LDAP?

a)

389

b)

636

c)

993

d)

445

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