CCST Networking

  INTRODUCTION The Cisco Certified Support Technician Networking certification is an entry-level credential that validates foundational knowledge and skills required to support Cisco-based networks. It demonstrates understanding of how networks operate, including devices, media, protocols, and basic troubleshooting. It is considered a first step toward pursuing CCNA or other Cisco certifications. EXAM OVERVIEW EXAM CODE 100‑150 CCST Networking EXAM DURATION Approximately 50 minutes NUMBER OF QUESTIONS Between 35 and 50 questions PASSING SCORE Approximately 700 out of 1000 EXAM COST Approximately USD 125 EXAM DOMAINS AND TOPICS STANDARDS AND CONCEPTS Includes TCP/IP and OSI models, frames and packets, addressing structures and formats ADDRESSING AND SUBNET FORMATS IPv4 slash notation, subnet masks, subnetting, IPv6 address types and prefix concepts ENDPOINTS AND MEDIA TYPES Device types, cabling, connectors, wireless media, network device roles INFRASTRUCTURE Router and switch basic...

IPSec (Internet Protocol Security)   is a suite of protocols designed to secure communications over IP networks. It provides data confidentiality, integrity, and authentication, ensuring secure data transmission. Here's a breakdown of the key components: 1. Authentication Header (AH) Purpose:  Provides data integrity, data origin authentication, and an optional replay protection service. How it works: Calculates a message authentication code (MAC) based on the entire IP packet (including the outer IP header). Appends the MAC to the packet. The recipient verifies the MAC to ensure data integrity and authenticity. Benefits: Ensures that data hasn't been tampered with during transit. Verifies the source of the data. Limitations: Doesn't provide data confidentiality (encryption). 2. Encapsulating Security Payload (ESP) Purpose:  Provides data confidentiality (encryption), data integrity, and data origin authentication. How it works: Encrypts the entire IP packet (except for s...

  S/STP: Screened Shielded Twisted Pair Cable S/STP  stands for  Screened Shielded Twisted Pair . It's a type of Ethernet cable that combines two layers of shielding for enhanced protection against electromagnetic interference (EMI) and crosstalk.   Structure of S/STP Cable: Twisted Pairs:  Each pair of copper wires is twisted together to reduce crosstalk.     Individual Pair Shielding:  Each pair is individually wrapped in a foil shield, providing additional protection against interference.     Overall Screen:  A braided mesh of metal strands surrounds all the shielded pairs, creating a second layer of shielding.  Benefits of S/STP: Superior EMI/RFI Protection:  The double shielding significantly reduces the impact of external electromagnetic interference, ensuring reliable data transmission even in noisy environments.     Reduced Crosstalk:  The shielding minimizes interference between the individual pairs...

  CCST Networking sample questions for practice: Question 1: Which layer of the OSI model is responsible for end-to-end reliability and flow control? A. Transport Layer B. Network Layer C. Data Link Layer D. Physical Layer Answer: A. Transport Layer Explanation: The Transport Layer (Layer 4) is responsible for reliable end-to-end communication between devices. It uses protocols like TCP to ensure data integrity and flow control. Question 2: What is the purpose of the ARP protocol? A. To resolve IP addresses to MAC addresses B. To resolve MAC addresses to IP addresses C. To route packets between networks D. To provide network security Answer: A. To resolve IP addresses to MAC addresses Explanation: The Address Resolution Protocol (ARP) is used to map IP addresses to physical (MAC) addresses. This is essential for devices on the same network to communicate with each other. Question 3: Which network topology provides the highest level of redundancy? A. Bu...

Networking Fundamentals: This topic covers the basic concepts and principles of networking, including network topologies, protocols, and devices. It's the foundation topic in CCST Networking exam domains. TCP/IP Model TCP/IP (Transmission Control Protocol/Internet Protocol) is a set of networking protocols that is used to communicate and exchange data between devices on a network or the Internet. It is the most widely used and dominant networking protocol in the world, and forms the basis of the Internet and many other types of networks. TCP/IP is a layered protocol, meaning that it is composed of several different protocols that are organized into a stack. The four main layers of the TCP/IP protocol stack are: 1. Application Layer: This layer is responsible for providing services and applications to users, such as web browsers, email clients, and file transfer tools. 2. Transport Layer: This layer is responsible for ensuring the reliable and error-free delivery of data between dev...

Introduction: The Cisco Certified Support Technician (CCST) certification is a program designed to validate the skills required to successfully provide support for Cisco networking products. The CCST certification focuses on the knowledge and skills needed to troubleshoot and resolve issues with Cisco networking devices, such as routers, switches, and wireless controllers. The CCST Networking exam is a test that candidates must pass in order to earn the CCST certification. The exam covers a range of topics related to Cisco networking, including network fundamentals, LAN switching, IP routing, wireless networking, and network security. The exam also includes troubleshooting scenarios that require candidates to use their knowledge and skills to diagnose and resolve issues with Cisco networking devices. The CCST Networking exam is a multiple-choice exam that is delivered online through Pearson VUE testing centers. Candidates have 90 minutes to complete the exam, and the passing score is ...