CISSP Domain 4: Communication & Network Security

Hello/Hola/Hi,

Its been almost a break of 30+ days – I have not shared any new post with you. First of all, I really apologies for so much delay in this. Due to some personal reasons and quite occupied with my professional commitment I did not get a chance to share new post.

Domain 4: Communications and network security, covered in our upcoming post, is another very technical domain to be tested in CISSP exam. One of the most technical of the domains included in the CISSP & my favorite one after all spending 7+ years in Networking industry, Domain 4 requires an understanding of networking and the TCP/IP suite of protocols at a fairly substantial level of depth. Networking hardware such as routers, switches, and the less common repeaters, hubs, and bridges are all discussed within this domain. Other technical aspects of intrusion detection systems, intrusion prevention systems, virtual private network, 802.11 wireless, radio frequency identification, and also authentication devices and protocols are found in this large domain.

It addresses addresses a broad array of topics including network architecture, components, and secure communication channels. Out of 100% of the exam, this domain carries an average weight of 14%, which is the second highest weight of all the eight domains. Hence, We will pay close attention to the many details in this domain.

But now, without any further delay – Lets start with Domain 4 i.e. communication and Network Security.

This domain covers below topics

  1. Secure Network Design Principles:– Discussion on OSI and TCP/IP model.
  2. IP Networking: Discussion on TCP/UDP ports, logical and physical addressing, network transmission, and network types.
  3. Protocols and Services: Discussion on protocols include ARP, DHCP, DNS, FTP, HTTP, ICMP, IMAP, LDAP, NAT, NetBIOS, NFS, PAT, POP, CIFS/SMB, SMTP, SNMP, and multilayer protocols.
  4. Converged Protocols: Other Protocols discussion include FCoE, MPLS, VoIP, and iSCSI.
  5. Wireless Networks: Wireless techniques, WLAN structure, WLAN standards, and WLAN security.
  6. Communications Cryptography: link encryption, end-to-end encryption, email security, and Internet security.
  7. Secure Network Components: Components discussion such as transmission media, network access control devices, endpoint security, and content-distribution networks.
  8. Secure Communication Channels: such as voice, multimedia collaboration, remote access, data communications, and virtualized networks.
  9. Network Attacks:  cabling attacks, network component attacks, ICMP attacks, DNS attacks, email attacks, wireless attacks, remote attacks, and other attacks.

As done in the past, I will be updating this page as we progress further. Hence, in order to receive a latest update of my post. Please follow this page & stay tuned.

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