FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are characteristics of a circuit-level gateway? (Select two.)
A
Stateful
B
Stateless
C
Filters by session
D
Filters by URL
E
Filters IP addresses, but not ports
Explanation: 

Detailed explanation-1: -Which of the following are characteristics of a circuit-level gateway? (Select two.) A circuit-level proxy or gateway makes decisions about which traffic to allow based on virtual circuits or sessions. A circuit-level proxy is considered a stateful firewall because it keeps track of the state of a session.

Detailed explanation-2: -What Does Circuit-Level Gateway Mean? A circuit-level gateway is a firewall that provides User Datagram Protocol (UDP) and Transmission Control Protocol (TCP) connection security, and works between an Open Systems Interconnection (OSI) network model’s transport and application layers such as the session layer.

Detailed explanation-3: -Basic firewalls provide protection from untrusted traffic while still allowing trusted traffic to pass through. Packet filters, proxy filters, and stateful packet filters are some of the technologies used to accomplish this protection.

Detailed explanation-4: -3. Which of these comes under the advantage of Circuit-level gateway firewalls? Explanation: For a private network, or for organizations, circuit-level gateway firewalls maintain anonymity. They’re also inexpensive as compared to other firewall types.

There is 1 question to complete.