Which one of the following describes Kerchoff’s Assumption for cryptoanalytic attack？（

A.Respect the elder peopl

B.Face saving is not important.

C.Name a dog after one’s father.

D.Have pot-luck dinner.

Router R1. Which of the following can be determined from this output？（）Network Next Hop Metric LocPrf Weight Path* 130.1.1.0/28 1.1.1.1 0 1 2 3 4 i

A. The route is learne d from an eBGP peer

B. The route has no more than three ASNs in the AS_PatH

C. The route is the best route for this prefix

D. None of these facts can be positively determined by this output

A、which one picture

B、which of the one

C、what one

D、which one

Which one is in the central Italy？

A．Volscians

B．Sanmites

C．Umbrians

D．Bruttians,

A. that

B. which

C. of which

D. from which

A.does

B.us

C.five

D.and

ject？

A.Communication

B.Note

C.Meeting

D.Report

A.master

B.owner

C.manager

D.worker