IP题库(4)

Answer: CD

62. Which term describes the process of encapsulating IPv6 packets inside IPv4 packets? A. tunneling B. hashing C. routing D. NAT Answer: A

63. Which statement about RIPng is true? A. RIPng allows for routes with up to 30 hops. B. RIPng is enabled on each interface separately. C. RIPng uses broadcasts to exchange routes.

D. There can be only one RIPng process per router. Answer: B

64. Which statement about IPv6 is true?

A. Addresses are not hierarchical and are assigned at random. B. Only one IPv6 address can exist on a given interface. C. There are 2.7 billion addresses available.

D. Broadcasts have been eliminated and replaced with multicasts. Answer: D .

| English | Chinese(Traditional) | Chinese(Simplified) | - 30 - . Information Co., Ltd. All rights reserved.

65. Which line from the output of the show ip interface command indicates a layer 1 problem? A. Serial0/1 is up, line protocol is down B. Serial0/1 is down, line protocol is down C. Serial0/1 is up, line protocol is up

D. Serial0/1 is administratively down, line protocol is down Answer: B

66. A network admin wants to know every hop the packets take when he accesses cisco.com. Which

command is the most appropriate to use? A. path cisco.com B. debug cisco.com C. trace cisco.com

D. traceroute cisco.com Answer: D

67. QoS policies are applied on the switches of a LAN. Which type of command will show the effects of

the policy in real time? A. show command B. debug command

C. configuration command D. rommon command Answer: B

68. Which command will show the MAC addresses of stations connected to switch ports? A. show mac-address B. showarp C. show table

D. show switchport Answer: B .

| English | Chinese(Traditional) | Chinese(Simplified) | - 31 - . Information Co., Ltd. All rights reserved.

69. What is the name of the VTP mode of operation that enables a switch to forward only VTP advertisements while still permitting the editing of local VLAN information? A. server B. client C. tunnel

D. transparent Answer: D

70. Which port state is introduced by Rapid-PVST? A. learning B. listening C. discarding D. forwarding Answer: C

71. What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect? A. 6, 9, 12, 18 B. 1, 2, 5.5, 6 C. 5.5, 6, 9, 11 D. 1, 2, 5.5, 11 Answer: D

72. Refer to the exhibit. Which VLSM mask will allow for the appropriate number of host addresses for Network A? .

| English | Chinese(Traditional) | Chinese(Simplified) | - 32 - . Information Co., Ltd. All rights reserved. A. /25 B. /26 C. /27 D. /28 Answer: A

73. Refer to the exhibit. Which subnet mask will place all hosts on Network B in the same subnet with the

least amount of wasted addresses? A. 255.255.255.0

B. 255.255.254.0 C. 255.255.252.0 D. 255.255.248.0 Answer: B

74. Refer to the exhibit. Which mask is correct to use for the WAN link between the routers that will

provide connectivity while wasting the least amount of addresses? A. /23 B. /24 C. /25 D. /30 Answer: D .

| English | Chinese(Traditional) | Chinese(Simplified) | - 33 - . Information Co., Ltd. All rights reserved.

75. Refer to the exhibit. What is the most appropriate summarization for these routes? A. 10.0.0.0 /21 B. 10.0.0.0 /22 C. 10.0.0.0 /23 D. 10.0.0.0 /24 Answer: B

76. Which two tasks does the Dynamic Host Configuration Protocol perform? (Choose two.) A. Set the IP gateway to be used by the network.

B. Perform host discovery used DHCPDISCOVER message.

C. Configure IP address parameters from DHCP server to a host. D. Provide an easy management of layer 3 devices. E. Monitor IP performance using the DHCP server. F. Assign and renew IP address from the default pool. Answer: CF

77. Which two benefits are provided by using a hierarchical addressing network addressing scheme?

(Choose two.)

A. reduces routing table entries B. auto-negotiation of media rates

C. efficient utilization of MAC addresses

D. dedicated communications between devices E. ease of management and troubleshooting Answer: AE .

| English | Chinese(Traditional) | Chinese(Simplified) | - 34 - . Information Co., Ltd. All rights reserved.

78. Which two benefits are provided by creating VLANs? (Choose two.) A. added security

B. dedicated bandwidth

C. provides segmentation

D. allows switches to route traffic between subinterfaces E. contains collisions Answer: AC

79. Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.) A. VTP B. 802.1q C. IGP D. ISL E. 802.3u Answer: BD

80. Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two.) A. 802.1d B. VTP C. 802.1q D. STP E. SAP

Answer: AD

81. On the network 131.1.123.0/27, what is the last IP address that can be assigned to a host? A. 131.1.123.30 B. 131.1.123.31 C. 131.1.123.32 D. 131.1.123.33 .

| English | Chinese(Traditional) | Chinese(Simplified) | - 35 - . Information Co., Ltd. All rights reserved. Answer: A

82. The ip subnet zero command is not configured on a router. What would be the IP address of Ethernet

0/0 using the first available address from the sixth subnet of the network 192.168.8.0/29? A. 192.168.8.25 B. 192.168.8.41 C. 192.168.8.49 D. 192.168.8.113 Answer: C

83. For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?

A. 192.0.2.0 B. 192.0.2.255 C. 192.0.3.255 D. 192.0.4.0 Answer: B

84. How many addresses for hosts will the network 124.12.4.0/22 provide? A. 510 B. 1022 C. 1024 D. 2048 Answer: B

85. Where does routing occur within the DoD TCP/IP reference model? A. application B. internet C. network D. transport Answer: B .

| English | Chinese(Traditional) | Chinese(Simplified) | - 36 - . Information Co., Ltd. All rights reserved.

86. Which VTP mode is capable of creating only local VLANs and does not synchronize with other switches in the VTP domain? A. client B. dynamic C. server D. static

E. transparent Answer: E

87. Which switch would STP choose to become the root bridge in the selection process? A. 32768: 11-22-33-44-55-66 B. 32768: 22-33-44-55-66-77 C. 32769: 11-22-33-44-55-65 D. 32769: 22-33-44-55-66-78 Answer: A

88. A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment

existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

A. More collision domains will be created. B. IP address utilization will be more efficient.

C. More bandwidth will be required than was needed previously. D. An additional broadcast domain will be created. Answer: D

89. Which two statements about the use of VLANs to segment a network are true? (Choose two.) A. VLANs increase the size of collision domains.

B. VLANs allow logical grouping of users by function. C. VLANs simplify switch administration. D. VLANs enhance network security. .

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说综合文库IP题库(4)在线全文阅读。