Exploring SSCP Domain 6 Network and Communications Security for a Career in IT Security
                     Exploring SSCP Domain 6: Network and 
Communications Security for a Career in IT Security
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An effective network and communications security solution 
lower the danger of data theft and sabotage in the workplace. 
Protecting your workstations from spyware is more accessible 
with network security. It also ensures the security of shared 
information. A cybersecurity professional’s job includes a 
substantial amount of network and communications security. 
This article will cover the sixth domain of SSCP: Network and 
Communications Security, and what you can expect in the SSCP 
exam from this domain.
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Domains of SSCP
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The seven SSCP domains are:
•Domain 1: Access Controls (16%)
•Domain 2: Security Operations and Administration (15%)
•Domain 3: Risk Identification, Monitoring, and Analysis (15%)
•Domain 4: Incident Response and Recovery (13%)
•Domain 5: Cryptography (10%)
•Domain 6: Network and Communications Security (16%)
•Domain 7: Systems and Application Security (15%)
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Domain 6: Network and Communications Security
Domain 6 of the SSCP certification exam is Network and 
Communications Security. The Network and Communications Security 
domain comprise a weightage of 16% in the SSCP certification exam. 
This domain will introduce network models and hardware devices and 
the structure of data that flows over and through these devices. IT 
networks are composed of various hardware devices put together in 
different ways to form topologies, which are network models. Network 
devices use telecommunications signaling systems to transmit data 
between users and through devices. This area will cover wireless and 
cellular technology, the Bring Your Own Device concept and connecting 
personal digital devices to the workplace network. It will also cover 
convergent network communications, such as voice and media across a 
digital network, and the prioritizing of data that travels across a 
network. The subtopics covered in Network and Communications 
Security domain are:
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 Understand and apply fundamental concepts of networking
 Understand network attacks and countermeasures
 Manage network access controls
 Manage network security
 Operate and configure network-based security devices
 Operate and configure wireless technologies
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1. Understand and Apply Fundamental Concepts of Networking
This subsection will provide in-depth knowledge of the 
fundamental concepts of networking and introduce the design and 
implementation of network devices, protocols, and 
telecommunication services to transfer data through public and 
private networks. It will discuss the VPN technologies, OSI and 
TCP/IP models, and other related protocols in-depth. This 
subsection will look at network topologies and the different 
topologies, such as star, bus, and ring. Firewalls, routers, switches, 
gateways, and proxies are part of network hardware and access 
points. It will also cover the different data transmission media types 
such as fiber optic, coaxial, twisted-pair cable, etc., and the 
commonly used ports and protocols.
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2. Understand Network Attacks and Countermeasures
This subsection will go over how to set up network security devices and 
recognize various forms of network attacks. This section will discuss the 
methods for preventing network-based attacks, detecting intrusions, and 
employing countermeasures that may be required to combat such attacks. This 
section will also cover ARP, brute force, worms, flooding, eavesdropping, 
sniffers, spamming, Dos/DDOS, and Spoofing.
3. Manage Network Access Controls
This subsection will explain the various network access control systems and 
how they should be managed and used to safeguard the system and data 
utilizing various confidentiality, integrity, and availability levels. It will cover the 
different network access control standards and protocols. This section will 
address understanding and working with remote access technologies, 
including RADIUS and TACACS, and basic network theory and operating 
information.  This section also covers essential security functions such as email 
security and the use of NAT and VPNs.
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4. Manage Network Security
This subsection will discuss the security measures used to 
ensure the integrity, availability, authentication, and 
confidentiality of the transmitted or communicated data. This 
section will cover the many methods of providing network 
services and the security that comes with them. Some are 
Frame Relay, X.25, ISDN, Synchronous Data Link Control (SDLC), 
and High-Level Data Link Control (HDLC). It will go over the 
physical and logical placement of network devices concerned 
with the transmission of data. It will also cover various 
segmentations such as VLAN, ACLs, and more. You will learn the 
advantages of VLAN and how to implement VLAN. This section 
will also discuss secure device management.
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5. Operate and Configure Network-Based Security Devices
In this part, you will learn how to secure your network with 
firewall rules, switch and router configuration, network 
monitoring, and how to protect your telecommunications and 
comprehend the specific features and weaknesses of wireless 
networks. This section will go over the concepts of firewall and 
proxies implementations. This section will cover network intrusion 
detection and prevention systems. It will discuss Port Scanning, 
TCP Sequence Number Attacks, Network Security Tools and Tasks, 
Intrusion Detection Systems (IDS), Architecture of an Intrusion 
Detection System (IDS), Security Event Management 
(SEM)/Security Event and Incident Management (SEIM), Scanners, 
Discovery Scanning, Compliance Scanning, Vulnerability Scanning, 
and Penetration Testing, Scanning Tools, and Network Taps. It will 
also cover traffic-shaping devices.
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6. Operate and Configure Wireless Technologies
This subsection will discuss transmission security in-depth. It will go over the 
wireless and cellular technologies, the procedures to set up and operate 
wireless technologies, transmission security, common vulnerabilities and 
countermeasures, and different wireless security issues. It will also cover 
Open System Authentication, Shared Key Authentication, Ad Hoc mode, 
infrastructure mode, Wired Equivalent Privacy Protocol (WEP), WiFi 
Protected Access (WPA) and WiFi Protected Access 2 (WPA2), A “Parking 
Lot” Attack, Shared Key Authentication Flaw, Service Set Identifier (SSID) 
Flaw, Vulnerability of Wired Equivalent Privacy Protocol (WEP), and wireless 
devices.
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SSCP with InfosecTrain
Enroll in the SSCP certification training course at InfosecTrain. 
We are one of the leading security training providers in the 
world. With the help of our highly educated and trained 
instructors, you may earn prestigious ISC² SSCP certifications. 
You will be able to define and identify the networks and 
communications security required to secure network structure, 
data transmission methods, transport formats, and the security 
measures employed to maintain the integrity, availability, 
authentication, and confidentiality of the transmitted data after 
completing the SSCP certification training course.
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