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Network and External Storage Essentials
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1
Question
What are external storage devices commonly used for in organizations?
Answer
transferring data between devices, especially from outside to inside the network
2
Question
Why are external storage devices considered a security threat?
Answer
They can bring malware into a network or exfiltrate confidential data
3
Question
How has USB storage impacted the use of optical media?
Answer
USB has largely replaced optical media due to higher capacity, smaller size, and faster speeds
4
Question
What is a common security question raised by external storage threats?
Answer
How might we protect ourselves from threats caused by external storage media
5
Question
What is a device operating system (DOS) responsible for?
Answer
Managing memory, security features, device drivers, and user interface
6
Question
Where is a networking operating system typically installed and why?
Answer
On a server to provide services to client devices across the network
7
Question
Name three services commonly provided by a networking operating system.
Answer
Protocol support, user management, file and print sharing
8
Question
What is the purpose of a Performance Monitor?
Answer
To monitor key network performance metrics like connections, throughput, latency, jitter, and packet loss
9
Question
What insight does the Event Viewer provide to administrators?
Answer
Logs of important hardware and software events, including failed logins or service failures
10
Question
What does a Vulnerability Scanner do?
Answer
Identifies weaknesses in systems, networks, or applications that could be exploited
11
Question
What is the risk associated with Packet Sniffers?
Answer
They can intercept and view data packets, potentially exposing private data
12
Question
What are Database Applications in the context of networks?
Answer
Apps that store data on a server so clients can access it over the network
13
Question
What is the role of Document Management systems?
Answer
Create, distribute, store, and search documents over a network
14
Question
What is the purpose of Network Discovery Tools?
Answer
Scan networks to discover devices and gather information like IPs and OS
15
Question
Which common example of a Network Operating System is mentioned?
Answer
Windows Server
16
Question
Why might attackers be interested in Vulnerability Scanners?
Answer
To identify exploitable weaknesses and plan attacks
17
Question
What makes Optical Media less common for data transfer today?
Answer
USB drives offer greater storage, durability, and speed
18
Question
What is one key use of a Packet Sniffer besides diagnosing errors?
Answer
Potentially accessing private data if misused
19
Question
What are two examples of network monitoring tools discussed?
Answer
Performance Monitor and Event Viewer
20
Question
What is a primary function of Network Application Software?
Answer
To provide server-based applications accessible over the network
21
Question
How do Network Discovery Tools aid IT departments?
Answer
By scanning and listing all devices and their details on the network
22
Question
What is a common security benefit of using a NOS like Windows Server?
Answer
Centralized management and service delivery to clients
23
Question
Name a threat associated with external storage devices mentioned in the lesson.
Answer
Malware infection and data theft
24
Question
What capability do device operating systems provide to manage hardware interactions?
Answer
Managing device drivers so software can interact with hardware
25
Question
What is the benefit of using network and device operating systems together?
Answer
They provide services and management across devices and the network
26
Question
What are end-user devices in a computer network?
Answer
User-side devices such as personal computers and mobile devices that access network services.
27
Question
What services do end-user devices access over the network?
Answer
Printers, files, and mail services.
28
Question
Why might mobile devices lack Ethernet connectivity?
Answer
They typically rely on wireless connections like Wi‑Fi or Bluetooth.
29
Question
What is a key difference between desktop computers and laptops regarding connectivity?
Answer
Desktops usually have Ethernet; laptops increasingly omit Ethernet ports.
30
Question
What devices are included in connectivity devices?
Answer
Switches, routers, access points, multi-functional devices, USB hubs, and modems.