Which server can act as a centralized authentication server in your network quizlet?

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Which of the following are characteristics of TACACS+? (Select two.)

-Uses UDP.
-Allows the possibility of two different servers, one for authentication and authorization, and another for accounting.
-Allows the possibility of three different servers, one each for authentication, authorization, and accounting.
-Uses TCP.

Which of the following are characteristics of TACACS+? (Select two.)

- Allows the possibility of two different servers, one for authentication and authorization, and another for accounting.
- Allows the possibility of three different servers, one for each authentication, authorization, and accounting.
- Uses TCP.
- Uses UDP.

ARP spoofing/poisoning

The source device sends frames to the attacker's MAC address instead of to the correct device.

Dynamic Trunking Protocol

Should be disabled on the switch's end user (access) ports before implementing the switch configuration into the network.

MAC flooding

Causes packets to fill up the forwarding table and consumes so much of the switch's memory that it enters a state called Fail Open Mode.

MAC spoofing

Can be used to hide the identity of the attacker's computer or impersonate another device on the network.

MAC flooding overloads the switch's MAC forwarding table to make the switch function like a hub.
> The attacker floods the switch with packets, each containing a different source MAC address.
> The flood of packets fills up the forwarding table and consumes so much of the memory in the switch that it causes the switch to enter into fail open mode. While in this mode, all incoming packets are broadcast out of all ports (as with a hub) instead of just to the correct ports, as per normal operation.
> The attacker captures all the traffic with a protocol analyzer/sniffer.

ARP spoofing/poisoning associates the attacker's MAC address with the IP address of victim devices.
> When computers send an ARP request for the MAC address of a known IP address, the attacker's system responds with its own MAC address.
> The source device sends frames to the attacker's MAC address instead of to the correct device.
> Switches are indirectly involved in the attack because they do not verify the MAC address/IP address association.

MAC spoofing changes the source MAC address on frames sent by the attacker.
> MAC spoofing is typically used to bypass 802.1x port-based security.
> MAC spoofing can be used to bypass wireless MAC filtering.
> MAC spoofing can be used to hide the identity of the attacker's computer or to impersonate another device on the network.

> Dynamic Trunking Protocol (DTP) switches have the ability to automatically detect trunk ports and negotiate the trunking protocol used between devices. DTP is not secure and allows unauthorized devices to possibly modify configuration information. You should disable the DTP services on the switch's end user (access) ports before implementing the switch configuration into the network.

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Which server can act as a centralized authentication server in your network?

Network Policy Server (NPS) is Microsoft's implementation of a Remote Authentication Dial-In User Service (RADIUS) server. NPS provides centralized authentication, authorization, and accounting (AAA) capabilities to your network.

Which of the following is a protocol that centralized authentication, authorization, and accounting?

Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) management for users who connect and use a network service.

Which of the following is an authentication protocol for networks allowing mutual authentication?

EAP-TLS (Transport Layer Security) EAP-TLS provides certificate-based, mutual authentication of the network and the client. Both the client and the server must have certificates to perform this authentication. EAP-TLS randomly generates session-based, user-based Wired Equivalent Privacy (WEP) keys.

What is the server in a client server network quizlet?

A client/server model has a central computer called a server, which controls network security and user access to hardware, software, and programs. What is a server? A computer that provides services to networked computers or clients(PC).