TEL103: Telecommunications 3

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Assignment 2 Part 1

1. Which IEEE data link sub layer creates temporary point-to-point links between a pair of layer 2 addresses in order to transfer data?
2. What type of data transfer involves sending data from one specific MAC address representing the transmission origin to another specific MAC address representing the transmission reception on a distinct network segment?
3. Identify a WAN connection type where explicit MAC addresses are not needed.
4. Identify a WAN connection type where explicit MAC addresses are needed.
5. What marks the information boundaries of a data link frame?
6. Identify the one frame encapsulation service provided by SLIP.
7. What additional frame encapsulation service over SLIP does PPP provide?
8. What are PPP encapsulation and framing techniques based on?
9. Which Ethernet frame type is the most popular?
10. The source address field of an Ethernet II frame must be a Unicast MAC address. What may be found in the destination address field?
11. If an IP host does not locate a desired MAC address in the ARP cache it will:
12. Identify the two basic ARP packets.
13. What command allows a user to view the ARP cache on a windows PC?
14. How long are ARP cache entries kept in memory on a windows PC?
15. Which protocols replaced RARP?
16. What does the route resolution process allow an IP host to determine?
17. Identify the two types of routing table entries.
18. Which routing table entry indicates that a route to the individual host is not known?
19. Identify the field within an IP packet that defines the lifetime of the packet.
20. If a router fragmented an IP packet where would the IP packet be reassembled?

• ARP Cache
• Default Gateway
• Error-detection Mechanism
• Fragment
• Fragmentation
• Hardware Address
• LLC
• Name Resolution Process
• Pad
• Preamble
• Routing Tables
• TTL