IC-Final Exam Review 17/18

block external client from connecting an internal server:internal client to an external server

What is Layer 6 on the OSI Model?

HTTP port- Internet traffic.

At the _ level firewall inspects the content of packets. It is a separate proxy for SMTP

With_ packet filtering, firewall decides whether to allow it to proceed.

Finger command for SMTP mail servers-ETRN Finger Port.

What is Layer 3 on the OSI Model?

Telnet Port. The port used by all Telnet applications.

Provide an example of Layer 1

WINS Replication Port. Port used to replicate NETBIOS name tables

Traffic arrives &goes through the router.Where it has been & the destination is where its going

traffic is defaulted to ___ when it has been considered dangerous to your computer

What is Layer 5 on the OSI Model?

What is Layer 7 on the OSI Model?

What is Layer 1 on the OSI Model?

__traffic will flows automatically because it is considered “safe”

Interhost Communication (talking computer to computer) is associated with the_____layer

WHOIS Port. Port used for WHols request to whois servers

Traffic that has already been through the router and leaves the interface.

Firewall software will _ the user whether or not the traffic should be allowed to pass through

__firewall protects an entire network implemented at the router level

__firewall protects a single computer

What piece of equipment is associated with the "Network" Layer?

FTP port. This is the port used for all FTP based file transfers.

Firewall locations in the network are between the____ network and external network

SSH Server Listening port. Port used by Secure servers, SSH, to listen for incoming connections

What is Layer 2 on the OSI Model?

DNS Port for DNS request.

_____sequential collection of permit and deny conditions

Firewalls_ prevent e-mail viruses;

is a hardware, software, or a combination of both that prevents unauthorized programs

DHCP port for DHCP request & replies. This is the port used by the DHCP servers

______must have at least one permit statement in an ACL or all traffic is blocked

SMTP Mail Port Standard port used for SMTP mail delivery.