Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?

The internetwork infrastructure of company XYZ consists of a single OSPF area as shown in the
graphic. There is concern that a lack of router resources is impeding internetwork performance. As
part of examining the router resources, the OSPF DRs need to be known. All the router OSPF
priorities are at the default and the router IDs are shown with each router. Which routers are likely
to have been elected as DR? (Choose two.)

A network administrator needs to configure a serial link between the main office and a remote
location. The router at the remote office is a non-Cisco router. How should the network
administrator configure the serial interface of the main office router to make the connection?

Which PPP subprotocol negotiates authentication options?

Refer to the exhibit.

Assuming that the entire network topology is shown, what is the operational status of the
interfaces of R2 as indicated by the command output shown?

Which two statements describe the process identifier that is used in the command to configure
OSPF on a router? (Choose two.)
Router(config)# router ospf 1

Refer to the exhibit.

Given the output from the show ip eigrp topology command, which router is the feasible
successor?
A) image:29.jpg

B) image:30.jpg
C) image:31.jpg
D) image:32.jpg

Which three of these statements regarding 802.1Q trunking are correct? (Choose three.)

Which two options are valid WAN connectivity methods? (Choose two.)

Refer to the exhibit.

Which WAN protocol is being used?