ccna2 fill in blanks

Pregunta	Respuesta
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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