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MIB is a collection of groups of objects that can be managed by _________
SNMP (Simple Network Management Protocol)
SNMP (Simple Network Management Protocol)
See lessWhich of the following networks supports pipelining effect?
Feedforward Neural Networks (FNN) support the pipelining effect.
Feedforward Neural Networks (FNN) support the pipelining effect.
See lessPerformance management is closely related to _________
Performance management is closely related to goal setting.
Performance management is closely related to goal setting.
See lessA stateful firewall maintains a ___________ which is a list of active connections
state table
state table
See lessWhat is one advantage of setting up a DMZ with two firewalls?
One advantage of setting up a DMZ (Demilitarized Zone) with two firewalls in a network security architecture is to provide an additional layer of security. This setup involves positioning one firewall between the untrusted network (such as the Internet) and the DMZ, and the other firewall between thRead more
One advantage of setting up a DMZ (Demilitarized Zone) with two firewalls in a network security architecture is to provide an additional layer of security. This setup involves positioning one firewall between the untrusted network (such as the Internet) and the DMZ, and the other firewall between the DMZ and the internal network. This dual firewall configuration creates a controlled buffer zone that allows for public access to specific services (e.g., web servers, email servers) while protecting the internal network. If an attacker compromises a server in the DMZ, the internal network is still protected by the second firewall, significantly reducing the potential impact of the attack.
See lessA packet filter firewall filters at __________
A packet filter firewall filters at the network layer.
A packet filter firewall filters at the network layer.
See lessA proxy firewall filters at _________
the application layer
the application layer
See lessWhich of the following is / are the types of firewall?
Firewalls are crucial for network security, and there are several types, each designed for specific security needs and network environments. The following are the main types of firewalls: 1. Packet Filtering Firewall: This is one of the most basic types of firewalls. It checks data packets (small chRead more
Firewalls are crucial for network security, and there are several types, each designed for specific security needs and network environments. The following are the main types of firewalls:
1. Packet Filtering Firewall: This is one of the most basic types of firewalls. It checks data packets (small chunks of data) against a set of filters (rules). Packets that pass these filters are allowed to enter the network, while those that don’t are blocked.
2. Stateful Inspection Firewall: Also known as dynamic packet filtering, this type tracks the state of active connections and makes decisions based on the context of the traffic and state of the connection, not just the packet headers.
3. Proxy Firewall (Application-level Gateway / Gateway Firewall): This firewall acts as an intermediary between end users and the internet, making requests on behalf of the users. This means it can provide more thorough inspection of the contents of the traffic at the application layer.
4. Circuit-level Gateway: Working at the session layer of the OSI model, this type of firewall monitors TCP handshakes and other session initiation protocols across the network to decide if the session should be established.
5. Next-Generation Firewall (NGFW): NGFWs include the capabilities of their predecessors but also offer functionality like encrypted traffic inspection, intrusion prevention systems (IPS), deep packet inspection (DPI), and more. They are designed to offer a deeper inspection of the packet payloads to identify and block sophisticated attacks
See lessNetwork layer firewall works as a __________
filter at the network protocol level
filter at the network protocol level
See lessWhich of the following is false with respect to the datagram networks?
In datagram networks:- Each packet is treated independently of all others. This statement is true. In datagram networks, packets are sent individually and may take different paths to reach their destination, without necessarily maintaining any order.- Packets are guaranteed to be delivered. This staRead more
In datagram networks:
– Each packet is treated independently of all others. This statement is true. In datagram networks, packets are sent individually and may take different paths to reach their destination, without necessarily maintaining any order.
– Packets are guaranteed to be delivered. This statement is false. Datagram networks do not guarantee packet delivery as they do not establish a dedicated path between sender and receiver. Packets might get dropped due to network congestion or errors.
– Routers do not keep information about connection state. This statement is true. In datagram networks, routers forward packets based on the destination address contained in the packet header without maintaining any state information about the connection.
– Datagram networks cannot provide quality of service guarantees. This statement is generally true, especially in its strictest sense. Since datagram networks treat each packet independently and paths may change dynamically, it’s challenging to provide guarantees for quality of service (QoS). However, there can be mechanisms implemented on top of datagram networks to approximate QoS.
– The path of a packet can change in the middle of a transmission. This statement is true. In datagram networks, since each packet is routed independently, the path taken by packets can vary due to routing decisions changing in response to network conditions.
See less