2938917
Description
Flashcards by Barry Truong, updated more than 1 year ago
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Created by Barry Truong
almost 9 years ago
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| Question | Answer |
| 1. The well-known UDP port numbers are less than _____. | 1024 |
| 2. In TCP/IP protocol reference model, IP is _____ protocol. | Layer 3 |
| 3. RIP uses three timers to support its operation. They are Periodic,____ , and Garbage Collection timers. | Expiration |
| 4. A router (IP address: 220.110.13.250) wants to send a message to every host on a local network using direct broadcast address. The destination IP address for the message is _____. | 220.110.13.255 |
| 5. Routing protocol RPM stands for ______ | Reverse Path Multicasting |
| 6. Split horizon and ________ are used to solve the problem of two-node routing loop in Distance Vector (DV) routing. | poison reverse |
| 7. RIP packets are encapsulated in _______ datagrams. | UDP |
| 9. The netid of the IP address 137.154.148.13 is ______. | 137.154.0.0_ |
| 10. A company is allocated IP address 193.11.20.0 for its corporate network. The company decided to divide its corporate network into 4 subnets. The subnet mask used by the company is ______. | 255.255.255.192 |
| 11. In TCP/IP protocol suite, a process is uniquely identified by the combination of an IP address and ______. | port number |
| 12. UDP is a connectionless, ______ transport protocol | unreliable |
| 13. TCP is a ______-oriented transport protocol | connection |
| 14. IP address 10.0.0.2 is a Class ______ IP address | A |
| 15. An IPv6 address is ______ bytes in length | 16 |
| 16. An Internet is a network of ______ | networks |
| 17. Protocols define ______ order of messages and actions taken on messages. | format |
| 18. In OSI model, Session layer packets are carried by ______ layer packets. | Transport |
| 19. ______ and ______ are two major responsibilities of network layer. | Routing , addressing |
| 20. In TCP/IP protocol suite, ICMP is a ______ layer protocol. | Internet |
| 21. MTU ______ protocol is used to find out the minimum MTU (Maximum Transfer Unit) on the path between the source and the destination. | Discovery |
| 22. The netid of IP address 10.0.0.9 is ______. | 10.0.0.0 |
| 23. A local ISP is connected to the rest of the Internet through a ______ ISP | regional |
| 24. A router (IP address: 220.110.13.250) wants to send a message to every host on a local network using direct broadcast address. The destination IP address for the message is ______. | 220.110.13.255 |
| 25. ______ and ______ are two unicast routing protocols used in the Internet | RIP , OSPF |
| 26. In Distance Vector (DV) routing, the least cost means ___ | shortest path |
| 27. Mapped addresses are used by TCP machines when sending packets to IPv4 machines | _ |
| 28. There are 5 Layers in the ___ protocols. | routing |
| 29. The netid of IP address 191.224.10.10 is ___ | 191.224.0.0 |
| 30. The original form of IPv6 address of 0:FA::0 is ___ | 0000:FA:0000:0000:0000:0000:0000:0000:0000 |
| 31. RIP will only route a packet maximum of ___ hops | 16 |
| 32. RIP and EIGRP are examples of ___ routing protocols | distant vector |
| 33. A TCP client sends ___segment to open a TCP connection | SYN |
| 34. OSPF and IS-IS are examples of ___ routing protocols | link state |
| 35. ___ bits need to be borrowed from the hosted field of a class b network address in order to create 16 subnets | 4 |
| 36. There are ___bits in an IPv4 address | 32 |
| 37. FTP employs ___ as the transport layer for data transfer | TCP |
| 38. Routers running OSPF protocol use ___ messages to establish neighbor relationship | LSA(link state advertisement) |
| 39. A 600 byte UDP packet contains ___ bytes of user data | 572 |
| 40. The acknowledgement number defines the number of the ___byte the receiver expects to receive | recognizable |
| 41. The UDP port number used to send mobile IP Registration messages is ___ | 434 |
| 42. The original (unabbreviated) form of IPv6 address 0:4A::0 is ___ | 0000:4A:0000:0000:0000:0000:0000:0000 |
| 43. Assume RIP is used as the only routing protocol in a corporate network. The maximum hop count of the corporate network is ___ | ___15 |
| 44. RIP and ___are two unicast routing protocol commonly used in the Internet. | OSPF |
| 45. In TCP protocol, a client TCP sends ___segment to close a TCP connection. | FIN |
| 46. Mobile node A has home address 129.100.56.112. It has just moved to a foreign network. Assume A is assigned a care-of-address of 202.115.23.198 in the foreign network. A is now communicating with node B which has an IP address of 60.223.120.110. A will use ___ as the source IP address for packets sent to B. | 129.100.56.112 |
| 47. The IP address of a university's campus network is 200.154.10.0. Assume the campus network has 8 subnets. ___are needed to be borrowed from the hostid field to identify subnets in the network. | 5bits |
| 48. The header of an IPv6 packet is ___ in length. | 40 bytes |
| 49. Routers running BGP protocol use ___ messages to establish neighborhood relationship with their neighbors. | keep-alive |
| 50. A UDP packet is 300 bytes in length. It contains ___bytes of user data. | 292 |
| 51. A TCP receiver just receives a 305-byte TCP segment. Assume the sequence number of the TCP segment is 110011. The acknowledgment number used to acknowledge the successful reception of the TCP segment is ___. | 52 |
| 8. BGP uses four different types of messages. They are Open, ___, Keepalive, and Notification messages. | Update_ |
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