A security administrator has configured FTP in passive mode. Which of the following ports should the security administrator allow on the firewall by default?
A. 20
B. 21
C. 22
D. 23
CompTIA exam questions
A security administrator has configured FTP in passive mode. Which of the following ports should the security administrator allow on the firewall by default?
A. 20
B. 21
C. 22
D. 23
The security administrator needs to manage traffic on a layer 3 device to support FTP from a new remote site. Which of the following would need to be implemented?
A. Implicit deny
B. VLAN management
C. Port security
D. Access control lists
A network technician has set up an FTP server for the company to distribute software updates for their products. Each vendor is provided with a unique username and password for security. Several vendors have discovered a virus in one of the security updates. The company tested all files before uploading them but retested the file and found the virus. Which of the following could the technician do for vendors to validate the proper security patch?
A. Use TFTP for tested and secure downloads
B. Require biometric authentication for patch updates
C. Provide an MD5 hash for each file
D. Implement a RADIUS authentication
A network technician is tasked with designing a firewall to improve security for an existing FTP server that is on the company network and is accessible from the internet. The security concern is that the FTP server is compromised it may be used as a platform to attack other company servers. Which of the following is the BEST way to mitigate this risk?
A. Add an outbound ACL to the firewall
B. Change the FTP server to a more secure SFTP
C. Use the implicit deny of the firewall
D. Move the server to the DMZ of the firewall
A network technician has just installed a TFTP server on the administrative segment of the network to store router and switch configurations. After a transfer attempt to the server is made, the process errors out. Which of the following is a cause of the error?
A. Only FTP can be used to copy configurations from switches
B. Anonymous users were not used to log into the TFTP server
C. An incorrect password was used and the account is now locked
D. Port 69 is blocked on a router between the network segments
A network technician is utilizing a network protocol analyzer to troubleshoot issues that a user has been experiencing when uploading work to the internal FTP server. Which of the following default port numbers should the technician set the analyzer to highlight when creating a report? (Select TWO).
A. 20
B. 21
C. 22
D. 23
E. 67
F. 68
When configuring a new server, a technician requests that an MX record be created in DNS for the new server, but the record was not entered properly. Which of the following was MOST likely installed that required an MX record to function properly?
A. Load balancer
B. FTP server
C. Firewall DMZ
D. Mail server
Peter, a network technician, is setting up a DHCP server on a LAN segment. Which of the following options should Peter configure in the DHCP scope, in order to allow hosts on that LAN segment using dynamic IP addresses, to be able to access the Internet and internal company servers? (Select THREE).
A. Default gateway
B. Subnet mask
C. Reservations
D. TFTP server
E. Lease expiration time of 1 day
F. DNS servers
G. Bootp
A customer is attempting to download a file from a remote FTP server, but receives an error that a connection cannot be opened. Which of the following should be one FIRST to resolve the problem?
A. Ensure that port 20 is open
B. Ensure that port 161 is open
C. Flush the DNS cache on the local workstation
D. Validate the security certificate from the host
After installing a new wireless router in a home office, a user’s remote clients have lost the ability to access the FTP server on the user’s home office LAN. Which of the following features in the router MUST be configured before the clients can regain secure access?
A. QoS
B. Port triggering
C. Port forwarding
D. MAC filtering