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1. Which protocol operates primarily on port 80 in cloud computing environments?
   a. FTP
   b. HTTP
   c. SSH
   d. DNS
   Answer: bgeeksforgeeks+2
2. What is the primary use of port 80 in web servers?
   a. Encrypted data transfer
   b. File backup
   c. Serving web content via HTTP
   d. E-mail transmission
   Answer: ccloudericks+2
3. Why do many cloud services still keep port 80 open even when HTTPS is enforced?
   a. For legacy database access
   b. To enable HTTP to HTTPS redirects
   c. To enable SFTP communication
   d. For internal SSH tunneling
   Answer: bmypurecloud
4. Traffic sent over port 80 is vulnerable because it is transmitted in:
   a. Encrypted format
   b. Binary code
   c. Plain text
   d. Compressed format
   Answer: ccertera+2
5. Which of the following is a significant risk when leaving port 80 open on cloud services?
   a. Port exhaustion
   b. Man-in-the-middle attacks
   c. Database corruption
   d. Excessive logging
   Answer: bclickssl+2
6. Which port is recommended for secure web communication as opposed to port 80?
   a. 20
   b. 21
   c. 22
   d. 443
   Answer: dcheapsslweb+2
7. Port 80 is associated with which layer in the OSI model?
   a. Presentation
   b. Transport
   c. Application
   d. Network
   Answer: ccloudflare+2
8. What type of data is transferred over port 80 using HTTP?
   a. Encrypted text
   b. Raw binary files only
   c. Unencrypted web content
   d. Multimedia streaming only
   Answer: cv2cloud+2
9. Which protocol replaced HTTP for secure data transfer over the web, using port 443?
   a. FTP
   b. HTTPS
   c. SNMP
   d. Telnet
   Answer: bclickssl+1
10. What happens if an organization blocks port 80 on its firewall?
    a. HTTP traffic is blocked
    b. Email traffic is blocked
    c. SFTP is blocked
    d. RDP is blocked
    Answer: a42gears+2
11. In a cloud environment, why might you restrict port 80 access to certain IP addresses?
    a. To reduce port scanning
    b. To enhance SSH performance
    c. To minimize CPU usage
    d. To reroute DNS queries
    Answer: atencentcloud+1
12. Which cloud firewall configuration allows only HTTP and HTTPS traffic?
    a. Allow port 22 only
    b. Deny all except ports 80 and 443
    c. Allow all outbound traffic
    d. Restrict UDP traffic only
    Answer: btencentcloud
13. One of the main disadvantages of using port 80 is:
    a. High CPU consumption
    b. Lack of traffic encryption
    c. Incompatibility with cloud APIs
    d. Short timeout duration
    Answer: bcertera+2
14. What tool can be used to verify if port 80 is accessible from the internet?
    a. Nmap
    b. WinZip
    c. Excel
    d. Wireshark (capture only)
    Answer: atencentcloud
15. Port 80 is commonly enabled by default for which reason in cloud web servers?
    a. To support HTTP traffic for web browsing
    b. For exclusive VPN access only
    c. Only for remote desktop sessions
    d. For email retrieval via IMAP
    Answer: ageeksforgeeks+2
16. Which action is recommended if HTTP is not required in a cloud deployment?
    a. Keep port 80 open at all times
    b. Redirect DNS to port 80
    c. Close port 80 and use HTTPS
    d. Limit port 80 to internal VLANs
    Answer: ccheapsslweb+2
17. What is the implication of exposing port 80 across all interfaces in cloud VMs?
    a. Increased bandwidth
    b. Broader attack surface for HTTP-based attacks
    c. Faster DNS resolution
    d. Improved CPU efficiency
    Answer: b42gears+1
18. Port 80 primarily uses which transmission protocol?
    a. UDP
    b. TCP
    c. ICMP
    d. SCTP
    Answer: bcbtnuggets+2
19. In Google Cloud, allowing port 80 access to “0.0.0.0/0” means:
    a. Only internal users can connect
    b. Only administrators can connect
    c. Any public internet user can connect
    d. Only specific countries can connect
    Answer: ccloud.google+1
20. Which feature can mitigate risks associated with leaving port 80 open for redirects?
    a. HTTP Strict Transport Security (HSTS)
    b. Raw socket filtering
    c. Round robin DNS
    d. SNMP traps
    Answer: amypurecloud+1
21. When a browser accesses a website using HTTP, which default port does it use?
    a. 443
    b. 8080
    c. 22
    d. 80
    Answer: dcloudericks+2
22. Session hijacking is a risk commonly associated with which port in traditional HTTP deployments?
    a. 80
    b. 22
    c. 591
    d. 3306
    Answer: ajanbasktraining+1
23. Which firewall rule configuration is most secure for public-facing cloud web applications?
    a. Allow all traffic on port 80
    b. Allow only necessary IPs to ports 80 and 443
    c. Allow UDP on port 80
    d. Deny port 443 completely
    Answer: bprismacloud+1
24. By default, which port is used by browsers to request unencrypted web content?
    a. 443
    b. 80
    c. 21
    d. 110
    Answer: bv2cloud+1
25. When setting up a new web server on a cloud VM, which port must be open for HTTP?
    a. 25
    b. 22
    c. 80
    d. 8085
    Answer: cgeeksforgeeks+1
26. What does a browser display when a user tries to access an HTTP page instead of HTTPS?
    a. Secure connection alert
    b. Insecure warning notification
    c. Certificate expired error
    d. Port conflict message
    Answer: bclickssl+1
27. What is the main difference between port 80 and port 443?
    a. Port 80 is for email; 443 is for FTP
    b. Port 80 is unencrypted HTTP; 443 is encrypted HTTPS
    c. Port 80 uses UDP; 443 uses TCP
    d. Port 80 is for SSH; 443 is for DNS
    Answer: bv2cloud+2
28. Which cloud service scenario would require port 80 for legitimate operation?
    a. Serving a static website
    b. FTP file uploads
    c. Remote desktop sessions
    d. SSH configuration
    Answer: acloudericks+2
29. What should be regularly monitored to secure port 80 in cloud infrastructure?
    a. Incoming HTTP requests for signs of attacks
    b. Disk quotas
    c. Backup schedules
    d. GPU allocations
    Answer: acertera
30. What is the impact of enabling a strict “deny all” firewall policy except for ports 80 and 443?
    a. All traffic is allowed except SSH
    b. Only HTTP and HTTPS traffic is accessible
    c. Only DNS requests work
    d. SMTP traffic is also allowed
    Answer: bprismacloud+1
31. Allowing port 80 without restrictions can expose cloud applications to which attacks?
    a. SQL injection
    b. Man-in-the-middle attacks
    c. Cross-site scripting
    d. All of the above
    Answer: d42gears+1
32. What does a Security Group in a Virtual Private Cloud (VPC) control for port 80?
    a. Disk quotas
    b. Access control for network ports including 80
    c. Automatic database failover
    d. Kernel patching policies
    Answer: btencentcloud
33. For compliance mandates like GDPR, what is recommended for web applications?
    a. Always use HTTP on port 80
    b. Redirect HTTP to HTTPS and use encryption
    c. Allow unlimited inbound HTTP traffic
    d. Block port 443
    Answer: bcertera+1
34. Why should unused ports like 80 be closed in secure cloud environments?
    a. Reduce attack surface
    b. Free up memory
    c. Lower storage needs
    d. Improve CPU speed
    Answer: agooglecloudcommunity+2
35. Which protocol suite underlies HTTP communication on port 80?
    a. UDP/IP
    b. TCP/IP
    c. FTP/S
    d. ICMP/ARP
    Answer: bcbtnuggets+1
36. What might attackers exploit when port 80 is left open?
    a. Data transmission in clear text
    b. Encrypted database communication
    c. Compressed image delivery
    d. Direct OS kernel access
    Answer: aclickssl+2
37. What is the default port for HTTPS on web servers?
    a. 22
    b. 80
    c. 25
    d. 443
    Answer: dcheapsslweb+2
38. What security setting complements blocking port 80?
    a. Enabling only port 443
    b. Allowing HTTP for all
    c. Disabling port 22
    d. Running FTP on 80
    Answer: a42gears+1
39. What can organizations deploy to monitor malicious activity over port 80?
    a. Intrusion detection systems
    b. Display managers
    c. Load balancers only
    d. GPU optimizers
    Answer: acertera+1
40. Which of these is NOT a risk with leaving port 80 open?
    a. Man-in-the-middle attacks
    b. Data interception
    c. Unauthorized interception
    d. Encrypted communications only
    Answer: d42gears+1
41. What type of firewall rule should be set to block all incoming connections on port 80?
    a. DENY TCP port 80 ingress
    b. ALLOW only UDP 80 outbound
    c. ALLOW all TCP 80 ingress
    d. PERMIT all 0.0.0.0/0 on port 80
    Answer: agooglecloudcommunity+1
42. Port 80 became the default port for HTTP in which year’s specification?
    a. 1994
    b. 1984
    c. 1991
    d. 2002
    Answer: ccheapsslweb+1
43. What browser behavior has accelerated the move from HTTP to HTTPS?
    a. Hiding insecure content
    b. Displaying security warnings on HTTP sites
    c. Blocking all cookies by default
    d. Compressing all images automatically
    Answer: bclickssl+1
44. What does the HTTP/1.1 protocol, operating on port 80, provide for web delivery?
    a. Secure transfer only
    b. Basic, unencrypted delivery of web objects
    c. UDP-based streaming
    d. Encrypted file sharing
    Answer: bgeeksforgeeks+2
45. Which scenario requires enabling port 80 in cloud workstation services?
    a. Accessing HTTP servers running on virtual workstations
    b. Initiating SFTP sessions
    c. Setting up email forwarding
    d. Starting VM snapshots
    Answer: acloud.google
46. In port binding, what is best practice related to port 80?
    a. Use port 80 for HTTP, avoiding conflicts with other services
    b. Bind mail server to port 80
    c. Always use port 80 for SSH
    d. Never use port 80 for web services
    Answer: aalibabacloud
47. On IBM Cloud services, which ports are typically allowed to Object storage providers?
    a. 3306 and 27017
    b. 22 and 110
    c. 80 and 443
    d. 9090 and 445
    Answer: cibm
48. What can be a consequence of not redirecting port 80 traffic to 443 in cloud services?
    a. Permanent secure login
    b. Insecure data transmission persists
    c. Higher CPU performance
    d. Compressed traffic errors
    Answer: bmypurecloud+2
49. Which technology is often used with port 80 in load balancing public web applications?
    a. TCP/HTTP load balancers
    b. SFTP tunnels
    c. ICMP routers
    d. SMTP proxies
    Answer: acloudericks+1
50. When configuring cloud firewall rules, why is it best to specify only the necessary ports such as 80 and 443?
    a. To simplify network mappings
    b. To reduce potential exposure and limit attack vectors
    c. To maximize bandwidth utilization
    d. To enable compression by default
    Answer: bprismacloud+1

1. https://www.geeksforgeeks.org/computer-networks/what-is-port-80/
2. https://cloudericks.com/blog/essential-network-protocols-and-ports-for-cloud-computing/
3. https://v2cloud.com/glossary/web-server-ports
4. https://help.mypurecloud.com/faqs/why-does-genesys-cloud-require-port-80-to-be-open/
5. https://certera.com/blog/what-is-port-80-everything-to-know-about/
6. https://www.clickssl.net/blog/port-80-http-vs-port-443-https
7. https://cheapsslweb.com/blog/port-80-http-vs-port-443-https-major-difference-to-know/
8. https://www.42gears.com/blog/why-blocking-port-80-is-essential-for-modern-security-practices/
9. https://www.cloudflare.com/learning/network-layer/what-is-a-computer-port/
10. https://www.googlecloudcommunity.com/gc/Infrastructure-Compute-Storage/Close-port-80-in-external-static-IP/m-p/459585
11. https://docs.prismacloud.io/en/enterprise-edition/policy-reference/google-cloud-policies/google-cloud-networking-policies/ensure-gcp-google-compute-firewall-ingress-does-not-allow-unrestricted-http-port-80-access
12. https://www.tencentcloud.com/techpedia/110555
13. https://www.cbtnuggets.com/common-ports/what-is-port-80
14. https://cloud.google.com/firewall/docs/firewalls
15. https://www.janbasktraining.com/community/sql-server/what-are-port-80-vulnerabilities-that-a-user-should-be-aware-of1
16. https://cloud.google.com/workstations/docs/access-http-servers-running-on-workstations
17. https://www.alibabacloud.com/tech-news/a/port_binding/4ov4r72tp7b-the-dos-and-donts-of-port-binding
18. https://www.ibm.com/docs/en/storage-scale/5.2.1?topic=services-firewall-recommendations-cloud
19. https://www.cloudthat.com/resources/blog/a-guide-to-change-tomcat-server-port-from-8080-to-80
20. https://cloud.google.com/security-command-center/docs/concepts-vulnerabilities-findings