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Aggregating layer 2 broadcast domains and Layer 3 routing boundaries ? by jeff597 in ccna

[–]jeff597[S] 0 points1 point  (0 children)

Sorry. It's about Cisco BORDERLESS Networks. It can be found in CCNA routing and switching essentials under the following path:

Chapter 4 Switched Networks 4.1 LAN Design 4.1.1 Converged Networks 4.1.1.3 Cisco Borderless Networks

I quoted directly from the course material :

Distribution Layer

The distribution layer interfaces between the access layer and the core layer to provide many important functions, including: ... *Aggregating Layer 2 broadcast domains and Layer 3 routing boundaries. ...

The use of PoE in Cisco router 1921 by jeff597 in ccna

[–]jeff597[S] 2 points3 points  (0 children)

Thank you very much for the explanation you provided to me.

So, without this additional PoE supply shown in the picture, the router can't empower other devices through PoE ?

Methodologies for troubleshooting network infrastructures by jeff597 in techsupport

[–]jeff597[S] 0 points1 point  (0 children)

It's hybrid. Some are Cisco 2960, there a lot of TP-LINK very basic switches, and there also other vendors. it's a chaos ! Sometimes, the access to the Internet become very slow. Ping works, but loading pages become very slow.

PhD on cyber or network security by jeff597 in netsecstudents

[–]jeff597[S] 0 points1 point  (0 children)

Your situation is very similar to mine.

Most of my friends are gone to redo master degree. I don't want to do like them, because It needs a lot of money, and it isn't a guaranteed way to get a PhD.

PhD on cyber or network security by jeff597 in netsecstudents

[–]jeff597[S] 0 points1 point  (0 children)

you understand me better ;)

Thanks for all persons who replied.

no ospf in 100-105 icnd1 ? by jeff597 in ccna

[–]jeff597[S] 0 points1 point  (0 children)

I understood.

Thank you :)

no ospf in 100-105 icnd1 ? by jeff597 in ccna

[–]jeff597[S] 0 points1 point  (0 children)

So, the list is exclusive ?

Passed ICND1 by [deleted] in ccna

[–]jeff597 0 points1 point  (0 children)

congrats :)

ransomware and encryption ransomware ? by jeff597 in Malware

[–]jeff597[S] 0 points1 point  (0 children)

Thank you. Do you have sources for learning more ?

ransomware and encryption ransomware ? by jeff597 in Malware

[–]jeff597[S] 0 points1 point  (0 children)

nice exemple :)

I thought that ransomware is by definition an encryption malware, that's why I asked this question.

In other words, is there another type of ransomware which doesn't encrypt ?