Quiznetik

Computer Networks | Set 6

1. Frame Relay networks offer an option called _______

Correct : D. voice over frame relay

2. There are ________ total features of Frame Relay.

Correct : C. nine

3. Frame Relay deploys physical layer carriers such as _______

Correct : D. sonet

4. Frame relay provides error detection at the ______

Correct : B. data link layer

5. Virtual circuit identifier in frame relay is called _______

Correct : A. data link connection identifier

6. Frame relay has only _______

Correct : C. physical layer and data link layer

7. In frame relay networks, extended address is used ________

Correct : A. to increase the range of data link connection identifiers

8. Common gateway interface is used to _______

Correct : A. generate executable files from web content by web server

9. URL stands for ________

Correct : C. uniform resource locator

10. Which one of the following is not used to generate dynamic web pages?

Correct : D. css

11. An alternative to JavaScript on windows platform is _______

Correct : A. vbscript

12. What is document object model (DOM)?

Correct : A. convention for representing and interacting with objects in html documents

13. AJAX stands for _______

Correct : A. asynchronous javascript and xml

14. The data field cannot carry which of the following?

Correct : C. icmp messages

15. What should be the flag value to indicate the last fragment?

Correct : A. 0

16. Which of these is not applicable for IP protocol?

Correct : B. offer reliable service

17. Which of these is not applicable for IP protocol?

Correct : B. offer reliable service

18. Which of the following demerits does Fragmentation have?

Correct : D. all of the mentioned

19. Which field helps to check rearrangement of the fragments?

Correct : A. offset

20. In classless addressing, there are no classes but addresses are still granted in ______

Correct : B. blocks

21. In IPv4 Addresses, classful addressing is replaced with ________

Correct : A. classless addressing

22. First address in a block is used as network address that represents the ________

Correct : C. organization

23. In classful addressing, a large part of available addresses are ________

Correct : C. wasted

24. Network addresses are a very important concept of ________

Correct : C. ip addressing

25. Which of this is not a class of IP address?

Correct : D. class f

26. The header length of an IPv6 datagram is ___________

Correct : D. 40bytes

27. IPv6 does not use _________ type of address.

Correct : A. broadcast

28. Which among the following features is present in IPv6 but not in IPv4?

Correct : D. anycast address

29. The _________ field determines the lifetime of IPv6 datagram

Correct : A. hop limit

30. Dual-stack approach refers to _________

Correct : C. node has both ipv4 and ipv6 support

31. A link local address of local addresses is used in an _______

Correct : C. isolated subnet

32. In IPv6 addresses, addresses that start with eight 0s are called ________

Correct : D. reserved addresses

33. Which statement(s) about IPv6 addresses are true?

Correct : B. two colons (::) are used to represent successive hexadecimal fields of zeros

34. When was IPv6 launched?

Correct : D. june 6, 2012

35. Which layer is responsible for process-to-process delivery?

Correct : C. transport layer

36. Multiple processes on destinations at transport layer are identified by __________

Correct : B. port number

37. Range of port numbers in Internet model is __________

Correct : D. 0 and 65,535(16-bit)

38. The combination of an IP address and port number is called as ________

Correct : A. socket address

39. In transport layer, Multiplexing is done at _________

Correct : C. sender site

40. Header size of the ICMP message is _________

Correct : A. 8-bytes

41. During error reporting, ICMP always reports error messages to ________

Correct : B. source

42. Which of these is not a type of error-reporting message?

Correct : C. router error

43. The main reason for transition from IPv4 to IPv6 is _________

Correct : A. huge number of systems on the internet

44. Which of the following is not a transition strategy?

Correct : C. conversion

45. Which of the following is not applicable for IP?

Correct : A. error reporting

46. If the value in protocol field is 17, the transport layer protocol used is _________

Correct : B. udp

47. In an IPv6 header, the traffic class field is similar to which field in the IPv4 header?

Correct : C. tos field

48. IPv6 does not use ________ type of address.

Correct : A. broadcast

49. Which are the features present in IPv4 but not in IPv6?

Correct : D. anycast address

50. _________ implies that all subnets obtained from the same subnet mask.

Correct : A. static subnetting

51. Which of the following are Gigabit Ethernets?

Correct : D. all of the mentioned

52. _________ is another kind of fiber optic network with an active star for switching.

Correct : A. s/net

53. What is the subnet id of a host with an IP address 172.16.66.0/21?

Correct : C. 172.16.64.0

54. The network address of 172.16.0.0/19 provides how many subnets and hosts?

Correct : B. 8 subnets, 8,190 hosts each

55. Which type of Ethernet framing is used for TCP/IP and DEC net?

Correct : C. ethernet ii

56. Which NetWare protocol works on layer 3–network layer—of the OSI model?

Correct : A. ipx

57. Which NetWare protocol provides link-state routing?

Correct : A. nlsp

58. 0.0.0 router IGRP 109 network 172.68.7.0

Correct : A. it isolates networks 10.0.0.0 and 172.68.7.0

59. What does the “IPX maximum-paths 2” command accomplish?

Correct : A. it enables load sharing on 2 paths if the paths are equal metric paths

60. Novell’s implementation of RIP updates routing tables every _________ seconds.

Correct : A. 60

61. Which protocol should you select if the network diameter is more than 17 hops?

Correct : A. ripv1

62. How often does a RIPv1 router broadcast its routing table by default?

Correct : A. every 30 seconds

63. Which command displays RIP routing updates?

Correct : B. debug ip rip

64. Default administrative distance of a static route is ________

Correct : D. 1

65. Which protocol gives a full route table update every 30 seconds?

Correct : B. rip

66. _________ is the default administrative distance of RIP.

Correct : C. 120

67. Which statement is true regarding classless routing protocol?

Correct : B. use of variable length subnet masks is permitted

68. Where should we use default routing?

Correct : A. on stub networks- which have only one exit path out of the network

69. Which statement is true regarding classless routing protocols?

Correct : B. the use of variable length subnet masks is permitted

70. Which of the following is true regarding RIPv2?

Correct : C. it has the same timers as ripv1

71. Which of the situations might not require multiple routing protocols in a network?

Correct : A. when a new layer 2-only switch is added to the network

72. Which two routing protocols can be redistributed into OSPF by a Cisco router?

Correct : C. ripv2 and ip eigrp

73. What does administrative distance rank?

Correct : B. sources of routing information

74. Which protocol maintains neighbor adjacencies?

Correct : C. ripv2

75. Which routing protocol implements the diffusing update algorithm?

Correct : C. eigrp

76. Which protocol should you select if the network diameter is more than 17 hops?

Correct : B. ripv2

77. In the network HTTP resources are located by __________

Correct : A. uniform resource identifier

78. FTP server listens for connection on which port number?

Correct : B. 21

79. In FTP protocol, a client contacts a server using ______ as the transport protocol.

Correct : A. transmission control protocol

80. The File Transfer Protocol is built on __________

Correct : C. client server architecture

81. In File Transfer Protocol, data transfer cannot be done in __________

Correct : D. message mode

82. Which methods are commonly used in Server Socket class?

Correct : B. public socket accept ()

83. The client in socket programming must know which information?

Correct : C. both ip address of server & port number

84. TCP, FTP, Telnet, SMTP, POP etc. are examples of ___________

Correct : C. protocol

85. What does the java.net.InetAddress class represent?

Correct : B. ip address

86. Which classes are used for connection-less socket programming?

Correct : C. both datagram socket & datagram packet

87. In Inet Address class, which method returns the host name of the IP Address?

Correct : A. public string get hostname()

88. Cookies were originally designed for ____________

Correct : B. server side programming

89. The Cookie manipulation is done using which property?

Correct : A. cookie

90. Which of the following explains Cookies nature?

Correct : D. transient

91. Which attribute is used to extend the lifetime of a cookie?

Correct : C. max-age

92. Which of the following defines the Cookie visibility?

Correct : D. all of the mentioned

93. Which of the following can be used to configure the scope of the Cookie visibility?

Correct : D. server

94. How can you set a Cookie visibility scope to local Storage?

Correct : A. /

95. Which of the following is a Boolean cookie attribute?

Correct : B. secure

96. What is the constraint on the data per cookie?

Correct : C. 4 kb

97. What does REST stand for?

Correct : B. representational state transfer

98. Which of the following HTTP methods should be idempotent in nature?

Correct : B. delete

99. Next-Hop Method is used to reduce contents of a _________

Correct : C. routing table

100. In Unicast Routing, Dijkstra algorithm creates a shortest path tree from a ________

Correct : A. graph