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Network Administration & Security Flashcards

7 cards from real CSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Network Administration & Security flashcards as text

  1. Which network topology connects all devices to a central hub or switch?

    Answer: Star topology

    In a star topology, all network devices connect to a central switch or hub, making it easy to manage and isolate faults to individual connections.

  2. A customer is concerned about ransomware. What is ransomware?

    Answer: Malware that encrypts victim data and demands payment for the decryption key

    Ransomware is malicious software that encrypts a victim's files and demands a ransom payment, typically in cryptocurrency, in exchange for the decryption key.

  3. What is the purpose of a DMZ (Demilitarized Zone) in network security?

    Answer: To isolate public-facing servers from the internal network

    A DMZ is a network segment that houses public-facing services (like web servers) while keeping them isolated from the trusted internal network to limit exposure.

  4. Which of the following is an example of a strong password policy?

    Answer: Requiring at least 12 characters with uppercase, lowercase, numbers, and symbols

    Strong password policies require length (12+ characters) and complexity (mixed character types) to resist brute force and dictionary attacks.

  5. What is a MAC address used for in networking?

    Answer: To uniquely identify a network interface card at the hardware level

    A MAC (Media Access Control) address is a unique hardware identifier assigned to each network interface card, used to deliver data within a local network.

  6. A customer wants to ensure business continuity if their internet connection fails. What solution should be recommended?

    Answer: Implementing a redundant WAN connection from a secondary ISP

    A redundant WAN connection from a secondary ISP provides failover connectivity, ensuring business operations continue if the primary internet connection goes down.

  7. Which standard governs wireless network communication and is associated with Wi-Fi?

    Answer: IEEE 802.11

    IEEE 802.11 is the standard that defines wireless LAN (Wi-Fi) communication protocols, with variants like 802.11ac and 802.11ax (Wi-Fi 6) specifying different speeds and capabilities.