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Part 1.4

Authored by Kirk Marshall

Computers

Professional Development

Part 1.4
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given a scenario where a web server is not responding on port 80, which protocol and port combination should you check to troubleshoot standard HTTP traffic?

UDP, port 53

TCP, port 80

TCP, port 25

UDP, port 67

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a network administrator wants to allow file transfers using FTP, which ports should be opened on the firewall?

TCP ports 20 and 21

UDP ports 67 and 68

TCP port 443

UDP port 161

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A user is unable to receive emails using the POP3 protocol. Which port should be checked for connectivity issues?

TCP port 110

UDP port 53

TCP port 25

UDP port 69

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are asked to configure a network device to allow secure remote management. Which protocol and port should you use?

Telnet, port 23

SSH, port 22

HTTP, port 80

SNMP, port 161

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A network engineer needs to ensure that DNS queries can be sent and received. Which protocol and port combination is primarily used for DNS queries?

TCP, port 443

UDP, port 53

TCP, port 110

UDP, port 25

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a network device is configured to use GRE, what is the primary purpose of this protocol?

Encrypt data for secure transmission

Encapsulate a wide variety of network layer protocols

Assign IP addresses dynamically

Monitor network performance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which protocol is responsible for reporting errors and operational information in an IP network?

ICMP

TCP

UDP

GRE

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