Network Administration & Security Flashcards
7 cards from real CSA practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Network Administration & Security flashcards as text
A business customer wants to segment their network to separate guest Wi-Fi from internal systems. Which technology should be recommended?
Answer: VLAN (Virtual Local Area Network)
VLANs logically separate a physical network into distinct segments, allowing guest traffic to be isolated from sensitive internal systems.
What is the function of a network firewall?
Answer: To monitor and control incoming and outgoing network traffic based on rules
A firewall monitors and filters network traffic based on predefined security rules, blocking unauthorized access while allowing legitimate traffic.
Which type of network attack involves overwhelming a server with traffic to make it unavailable?
Answer: DDoS (Distributed Denial of Service)
A DDoS attack floods a server or network with traffic from multiple sources, exhausting resources and making the service unavailable to legitimate users.
A customer's network uses a 192.168.1.x address scheme. What class of IP addressing is this?
Answer: Class C
IP addresses starting with 192.168.x.x are Class C private IP addresses, commonly used in small to medium-sized local area networks.
What is the purpose of NAT (Network Address Translation)?
Answer: To allow multiple devices to share a single public IP address
NAT allows multiple devices on a private network to share a single public IP address when communicating with the internet.
Which wireless frequency band typically offers faster speeds but shorter range?
Answer: 5 GHz
The 5 GHz band offers faster data transfer speeds but has a shorter range and is less effective at penetrating walls compared to the 2.4 GHz band.
A sales associate is presenting network storage solutions. What does NAS stand for?
Answer: Network Attached Storage
NAS (Network Attached Storage) is a dedicated file storage device connected to a network that allows multiple users and devices to access and share data.