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Final Exam Study Guide Essay

1177 words - 5 pages

1. What is a byte?
A: 8 Bits
2. When using a truth table, 1 and 0 equal ______.
A: 0
3. What do parentheses do in mathematical equations?
A: Ensure that whatever operation is inside the parentheses is performed first
4. What is a node on a network?
A: Any device connected to a network.

5. Which of these following physical topologies has the inherent weakness of a single point of
failure?
A: Star Topology

6. What is the protocol for internet? What are the parts of a web address?
A: HTTP7890-=

7. What is basic to every networking standard?
A: IEEE

8. Why is the TCP/IP model divided into layers?
A: For Troubleshooting and Teaching

9. Which layer of the OSI model ...view middle of the document...

What is an Omnidirectional antenna for?
A: To send signal in all directions surrounding an access point.

21. If an enterprise purchases a WAN link from a service provider and expects that link to be available all of the time, it refers to the link as a ______ circuit.
A: Dedicated, Leased Line

22. What is a layer three network device?
A: The Router

23. What is a Demarc in networking?
A: The lines point of entry from Internet Service Provider (ISP) to your network.

24. What is SONET and where is it used?
A: Synchronous Optical Networking (SONET) is a standardized protocol that transfers multiple digital bit streams over optical fiber using lasers or highly coherent light from light-emitting diodes (LEDs).

25. Which of the following is a primary function of the IP protocol?
A: Internet Protocol’s primary function is logical network layer addressing of hosts and delivery of information in the form of datagrams between hosts.

26. What do dynamic routing protocols do?
A: Allows creation of routing tables for faster data transport.

27. What IP ranges define Class A, Class B and Class C?
A: Class A = 0-127
Class B = 128-191
Class C = 192-224

28. Which IP protocol is designed to dynamically assign IP addresses to devices on a LAN?
A: DHCP

29. To divide a Class C network into six subnets how many bits must you borrow from the Host Octet?
A: 3 from the last octet

30. How does a PC send data to a network in a different subnet?
A: Routes an address to the routers Gateway and forwards data to the specified address and then with a return address returns to the sender.

31. What are the two parts of an IP address? Network Identifier and?
A: Network and Host, Network Identifier and Host Identifier.

32. What is the internet edge? What is the Internet Core?
A: Border Gateway Protocol (BGP) is the edge and interconnected ISPs are the Internet Core.

33. What provides network security at the Internet Edge?
A: a Firewall

34. What does the Internet Core look like?
A: Spider Web-like Connections of many ISPs through routers.

35. What technique does a cable provider use to allow video and data transmissions on the same piece of coaxial cable in a customer’s home?
A: Frequency Shift Keying (FSK)

36. What technology is the wireless choice for...

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