Question 21
Which of the following statements is TRUE regarding the development of the OSI Reference Model?
- OSI was developed as an alternative, open standard to IBMs SNA model.
- OSI protocols were no longer used after TCP/IP was developed.
- OSI model is much simpler than TCP/IP.
- OSI model is maintained exclusively by the IETF.
Question 22
The TCP/IP and OSI models of protocol are similar in that they both have:
- An application and session layer.
- A network layer that provides a universal and consistent forwarding service.
- A transport layer with two protocols.
- An applications services layer with similar layering and service definitions.
Question 23
How many of the front access card slots of the Nokia 7750 SR-12 router are dedicated for redundant common equipment?
- 1
- 2
- 7
- 10
Question 24
Which of the following is not supported on the Nokia 7450 ESS?
- Support for IPv6.
- Support for POS.
- Upgrade path to the Nokia 7750 SR.
- Support for IS-IS
Question 25
The TiMOS-m.n.Y.Z software image file is software that:
- Contains all the components required to configure and run protocols on the Nokia 7750 SR/7450 ESS.
- Loads the router configuration.
- Transfers the router configuration from the router to the network management system.
- Loads the router software image.