Cisco CCIE Service Provider Optical Recertification Set 1

Bearer capability ✘ Channel ID ✘ Message Type ✘ Change Status ✔ Call Reference ✔

To choose between routes from different routing protocols when receiving updates for the same network ✘ To identify which routing protocol forwarded the update ✘ To define the distance to the destination used in deciding the best path ✘ To be used only for administrative purposes ✔

0.005ps ✘ .05ps ✘ 5ps ✘ 50ps ✔ 500ps ✔

The receiver should send all data in the reassembly buffer to the application receiving it immediately. ✘ The receiver should reset the session. ✘ Any routers between the source and destination hosts should reset the state of the connection in theirbuffers. ✘ The receiver should make certain its send buffer is pushed onto the wire. ✔

7 ✘ 21 ✘ 63 ✘ 84 ✔

A numeric penalty is applied to a route each time it flaps. ✘ The penalty is exponentially decayed according to parameters, such as half-life-time. ✘ The history of unstable routes is forwarded back to the sender to control future updates. ✘ The route is eventually suppressed based on a configurable 'suppress limit'. ✔

1 ✘ 7 ✘ 14 ✘ 28 ✔ 32 ✔

A feature to bundle multiple Ethernet point-to-point links quickly into one logical high speed link ✘ A feature to bundle multiple Fast-Ethernet point-to-point links into one logical high speed link ✘ Another name for full-duplex Fast Ethernet ✘ Another name for Gigabit Ethernet ✔ None of the above ✔

Loss of signal and frame Line AIS (all ones in STS pointer) Routine exercises Excessive signaling messages Excessive bit errors in overhead

In configuration mode, enter disable break. ✘ In configuration mode, enter no service break. ✘ Change the configuration register. ✘ Replace the router - this is an invalid response to pressing the break key when past 60 seconds after boot. ✔