network and security Section 1 Practice Quiz

1. Highlight a principal advantage of Software as a Service (SaaS).

No need for individual installations or updates

2. The Presentation layer's role in the OSI model includes:

Formatting, encrypting, and decrypting data

3. To obtain a Linux machine's IP Address, which command must a network admin execute?

ifconfig

4. To obtain the IP Address of a Windows machine, which command is necessary?

ipconfig

5. For wireless LAN connectivity, which device is typically used?

WAP

6. Which cloud deployment often utilizes exclusive (non-shared) hardware?

Private Cloud

7. Comparing device roles in P2P and client/server networks regarding resource sharing:

In P2P, devices serve dual roles; in client/server, roles are more strictly defined

8. Identify the network type connecting computer networks and LANs across broad geographical expanses.

Wide Area Network (WAN)

9. What distinguishes a public cloud model?

Accessible over the public internet to anyone interested in subscribing

10. Which command is employed for DNS resolution of a domain name to its IP address?

nslookup

11. To display the mapping of IP Addresses to MAC Addresses on a Windows system, which command should be used?

arp

12. For gigabit network compatibility, the minimum Ethernet cable category required is:

Category 5e

13. A network topology where all nodes are connected to a central device is known as:

Star

14. Identify a type of UTP cable.

CAT6 cable

15. Which network type is used for short-distance device communication, such as connecting wireless earbuds to a smartphone?

Personal Area Network (PAN)

16. Define a Type 1 hypervisor.

Direct hardware-level virtualization management software

17. How is a community cloud defined?

Shared among multiple organizations with similar objectives

18. In Peer-to-Peer (P2P) architecture, configuration is:

Decentralized, with each device requiring individual configuration

19. At which OSI model layer does the MAC (Media Access Control) Address operate?

Data Link layer

20. To verify a computer's network connection and responsiveness, which command is suitable for a network technician?

ping

21. Compared to Twisted Pair cables, fiber optic cables offer:

Enhanced data transmission speed and extended cabling distance

22. What does Infrastructure as a Service (IaaS) offer consumers?

Computing resources in a virtualized form over the internet

23. In which network topology do packets navigate device-to-device until reaching their destination?

Ring

24. A router's primary purpose in a network is:

To route data packets between multiple networks

25. Which cloud service model fits best for software development entities aiming to build and test applications without handling the underlying Infrastructure?

Platform as a Service (PaaS)

26. To follow the journey of packets from origin to destination on Windows, which command is applied?

tracert

27. Within a client/server architecture, the role of client devices is to:

Request and utilize server-provided services

28. Which situation are STP cables preferred over UTP cables?

In environments with significant electromagnetic interference

29. How do OSI and TCP/IP model layer counts compare?

OSI has 7 layers; TCP/IP has 4

30. What function does a firewall serve in a network?

Traffic filtration in accordance with rule sets

31. Which network type is commonly employed for device interconnection within a single building?

Local Area Network (LAN)

32. To link multiple buildings, which network type is utilized?

Campus Area Network (CAN)

33. Which network topology enables multiple data paths between any two devices to safeguard against link failure?

Mesh

34. Put the OSI layers in the correct order starting with Layer 7 and going down.

Application, Presentation, Session, Transport, Network, Data Link, Physical

35. At which OSI model layer does connection management (connection establishment, maintenance, and teardown) with remote devices occur?

Session layer

36. An IP Address functions at which OSI model layer?

Network layer

37. In cloud computing, what defines the hybrid cloud model in terms of where IT assets are located?

Mix of on-premises and cloud-based services for IT assets

38. In a client/server architecture, the configuration is:

Centralized, with configuration performed on a central server and disseminated to all devices

39. To inspect active TCP connections on a Windows PC, which command is appropriate for a network admin?

netstat

40. In the TCP/IP model, which OSI layers are merged into the Application layer?

Session, Presentation, and Application layers