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
What does 'latency' measure in a network context?
Answer: The time it takes for data to travel from source to destination
Latency is the delay between sending data and receiving it at the destination, typically measured in milliseconds, and affects real-time applications like video calls.
Which protocol is used to securely manage and configure network devices remotely?
Answer: SSH (Secure Shell)
SSH (Secure Shell) provides an encrypted channel for remotely managing network devices, replacing the insecure Telnet protocol.
A customer asks about the difference between antivirus and anti-malware software. Which statement is most accurate?
Answer: Antivirus focuses on traditional viruses while anti-malware covers a broader range of threats
Antivirus traditionally targets known viruses, while anti-malware provides broader protection against ransomware, spyware, adware, trojans, and other modern threats.
What is the recommended action when an employee receives a suspicious email asking for login credentials?
Answer: Report it to IT as a potential phishing attempt and delete it
Suspicious emails requesting credentials should be reported to IT immediately as phishing attempts and deleted without clicking any links or providing information.
What is the primary difference between a hub and a switch in a network?
Answer: A switch intelligently forwards data to specific devices, while a hub broadcasts to all connected devices
A switch uses MAC addresses to send data only to the intended recipient, while a hub broadcasts all data to every connected device, making switches more efficient and secure.
A small business customer needs internet connectivity across multiple floors. Which device extends wireless coverage throughout the building?
Answer: Wireless access point (WAP)
Wireless Access Points (WAPs) extend Wi-Fi coverage by connecting to the wired network and broadcasting a wireless signal to nearby devices.
What does 'encryption at rest' mean for data security?
Answer: Data is encrypted when stored on a device or server
Encryption at rest means that data stored on disks, databases, or backups is encrypted, protecting it from unauthorized access if the physical storage is compromised.