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WorksheetsA+ 2.1B Practice: Common Ports
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Which port numbers are used by FTP for data transfers?
a)
20, 21
b)
21, 22
c)
22, 23
d)
23, 24
2.
What protocol is used for remote terminal connections that provide encrypted communications?
a)
FTP
b)
SSH
c)
Telnet
d)
SMTP
3.
What is the primary function of SMTP?
a)
To receive emails
b)
To send emails
c)
To transfer files
d)
To manage network devices
4.
Which port number is associated with DNS?
a)
tcp 25
b)
udp 53
c)
tcp 80
d)
udp 67
5.
What does DHCP do in a network?
a)
Assigns IP addresses automatically
b)
Encrypts data communications
c)
Transfers files between devices
d)
Manages email servers
6.
Which protocol is commonly used for web browsing without encryption?
a)
HTTPS
b)
FTP
c)
HTTP
d)
IMAP
7.
What is the purpose of SNMP?
a)
To send and receive emails
b)
To establish remote desktop connections
c)
To manage and monitor network devices
d)
To transfer files securely
8.
Which protocol uses TCP port 3389?
a)
FTP
b)
RDP
c)
SSH
d)
IMAP
9.
What is the function of LDAP?
a)
To manage email messages
b)
To provide remote desktop access
c)
To query directory services
d)
To assign IP addresses to devices
10.
Which protocol uses TCP port 22 for secure terminal communication?
a)
FTP
b)
SSH
c)
SMTP
d)
Telnet
11.
1. The typical port used by TCP for HTTP is __________
a)
60
b)
90
c)
80
d)
70
12.
What port number is POP3
(a)
13.
Which of the following protocols operates over port 3389 by default?
a)
POP3
b)
Telnet
c)
SSH
d)
RDP
14.
IMAP port #
a)
389
b)
445
c)
143
d)
443
15.
________is used when speed is the primary importance, such as real-time video
conferencing, streaming audio and video, Voice Over IP (VOIP), music, and online games.
a)
High latency network
b)
TCP
c)
Slow network speed
d)
UDP
16.
What port does Telnet use?
a)
TCP Port 23
b)
UDP Port 23
c)
TCP port 22
d)
UDP Port 22
17.
Which protocol is used for sending emails?
a)
FTP
b)
HTTP
c)
SMTP
d)
SNMP
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