Practice final

Which two components of a WAN would more likely be used by an ISP? (Choose two.)

What are two advantages of packet switching over circuit switching? (Choose two.)

What are two common types of circuit-switched WAN technologies? (Choose two.)

Under which two categories of WAN connections does Frame Relay fit? (Choose two.)

Which WAN technology is capable of transferring voice and video traffic by utilizing a fixed payload of 48 bytes for every frame?

Which type of long distance telecommunication technology provides point-to-point connections and cellular access?

A small law firm wants to connect to the Internet at relatively high speed but with low cost. In addition, the firm prefers that the connection be through a dedicated link to the service provider. Which connection type should be selected?

Refer to the exhibit. What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router:

Which two protocols in combination should be used to establish a link with secure authentication between a Cisco and a non-Cisco router? (Choose two.)

Which statement is true about NCP?

Refer to the exhibit. Which three steps are required to configure Multilink PPP on the HQ router? (Choose three.)

A network engineer is troubleshooting the failure of CHAP authentication over a PPP WAN link between two routers. When CHAP authentication is not included as part of the interface configuration on both routers, communication across the link is successful. What could be causing CHAP to fail?

Which statement describes the difference between CHAP and PAP in PPP authentication?

A technician at a remote location is troubleshooting a router and has emailed partial debug command output to a network engineer at the central office. The message that is received by the engineer only contains a number of LCP messages that relate to a serial interface. Which WAN protocol is being used on the link?

Which DSL technology provides higher downstream bandwidth to the user than upstream bandwidth?

Which communication protocol allows the creation of a tunnel through the DSL connection between the customer router and the ISP router to send PPP frames?

Which group of APIs are used by an SDN controller to communicate with various applications?

Which two technologies are core components of Cisco ACI architecture? (Choose two.)

Two corporations have just completed a merger. The network engineer has been asked to connect the two corporate networks without the expense of leased lines. Which solution would be the most cost effective method of providing a proper and secure connection between the two corporate networks?

When GRE is configured on a router, what do the tunnel source and tunnel destination addresses on the tunnel interface refer to?