1.2 Network access services

Question 1

Which layer does the NIC work

Answer 1

Layer 2 and 1

Question 2

what is the NIC job

Answer 2

determins which network protocols will be used. Also provides local network node address.

Question 3

Layer 1 Nic

Answer 3

Determines how the network data traffic will be converted a bit at a time into an electrical signal that can traverse the network media being used.

Question 4

RADIUS

Answer 4

Remote authentication dial in User Service

Question 5

What does RADIUS do

Answer 5

RADIUS combines authentication and authorization. It’s widely used for managing access to wireless networks, VPNs, and dial-up connections.

Question 6

Which protocol does RADIUS operate?

Answer 6

AAA

Question 7

What is the AAA protocol

Answer 7

Authentication, Authorization, and Accounting. It’s a framework used to control and track access within a computer network.

Question 8

Which network protocols provide AAA functionality

Answer 8

TACACS+, RADIUS, Diameter

Question 9

TACACS+

Answer 9

Developed by Cisco, TACACS+ separates authentication, authorization, and accounting into separate phases. It’s commonly used in network devices like routers and switches.

Question 10

RAS

Answer 10

Remote access services

Question 11

What is RAS

Answer 11

Encompasses various technologies and protocols that enable remote access.

Question 12

Common RAS Protocols

Answer 12

PPTP, L2TP IPsec, SSL/TLS

Question 13

Web services

Answer 13

standardized method for propagating messages between client and server applications over a network.