IP题库(5)

| English | Chinese(Traditional) | Chinese(Simplified) | - 37 - . Information Co., Ltd. All rights reserved. Answer: BD

90. On corporate network, hosts on the same VLAN can communicate with each other, but they are

unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?

A. a router with subinterfaces configured on the physical interface that is connected to the switch B. a router with an IP address on the physical interface connected to the switch C. a switch with an access link that is configured between the switches D. a switch with a trunk link that is configured between the switches Answer: A

91. When a DHCP server is configured, which two IP addresses should never be assignable to hosts?

(Choose two.)

A. network or subnetwork IP address B. broadcast address on the network C. IP address leased to the LAN D. IP address used by the interfaces

E. manually assigned address to the clients F. designated IP address to the DHCP server Answer: AB

92. Which statement describes the process of dynamically assigning IP addresses by the DHCP server?

A. Addresses are allocated after a negotiation between the server and the host to determine the length of

the agreement.

B. Addresses are permanently assigned so that the hosts uses the same address at all times.

C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an

address must be made.

D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease. Answer: D .

| English | Chinese(Traditional) | Chinese(Simplified) | - 38 - . Information Co., Ltd. All rights reserved.

93. Which network protocol does DNS use? A. FTP B. TFTP C. TCP D. UDP E. SCP Answer: D

94. When two hosts are trying to communicate across a network, how does the host originating the

communication determine the hardware address of the host that it wants to \A. RARP request

B. Show Network Address request C. Proxy ARP request D. ARP request

E. Show Hardware Address request Answer: D

95. When a host transmits data across a network to another host, which process does the data go through?

A. standardization B. conversion C. encapsulation D. synchronization Answer: C

96. An administrator attempts a traceroute but receives a \Unreadable\message. Which

protocol is responsible for that message? A. RARP B. RUDP C. ICMP .

| English | Chinese(Traditional) | Chinese(Simplified) | - 39 - . Information Co., Ltd. All rights reserved. D. SNMP Answer: C

97. When you are logged into a switch, which prompt indicates that you are in privileged mode? A. % B. @ C. > D. $ E. #

Answer: E

98. Which command shows system hardware and software version information? A. show configuration B. show environment C. show inventory D. show platform E. show version Answer: E

99. Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An

802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but

on

CAT2 the native VLAN is not specified. What will happen in this scenario?

A. 802.1Q giants frames could saturate the link.

B. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames. C. A native VLAN mismatch error message will appear.

D. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames. Answer: C

100. Which command would correctly configure a serial port on a router with the last usable host address .

| English | Chinese(Traditional) | Chinese(Simplified) | - 40 - . Information Co., Ltd. All rights reserved.

in the 192.216.32.32/29 subnet?

A. router (config-if)#ip address 192.216.32.38 255.255.255.240 B. router (config-if)# ip address 192.216.32.39 255.255.255.224 C. router (config-if)# ip address 192.216.32.63 255.255.255.248 D. router (config-if)# ip address 192.216.32.39 255.255.255.248 E. router (config-if)# ip address 192.216.32.63 255.255.255.248 F. router (config-if)# ip address 192.216.32.38 255.255.255.248 Answer: F

101. The network default gateway applying to a host by DHCP is 192.168.5.33/28. Which option is the

valid IP address of this host? A. 192.168.5.55 B. 192.168.5.47 C. 192.168.5.40 D. 192.168.5.32 E. 192.168.5.14 Answer: C

102. Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0? (Choose two.)

A. 113.10.4.0 B. 186.54.3.0 C. 175.33.3.255 D. 26.35.2.255 E. 17.35.36.0 Answer: BD

103. The network administrator has asked you to check the status of the workstation's IP stack by pinging

the loopback address. Which address would you ping to perform this task? A. 10.1.1.1 .

| English | Chinese(Traditional) | Chinese(Simplified) | - 41 - . Information Co., Ltd. All rights reserved. B. 127.0.0.1 C. 192.168.0.1 D. 239.1.1.1 Answer: B

104. Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned

an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable.

Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? (Choose two.)

A. Replace the straight-through cable with a crossover cable. B. Change the subnet mask of the hosts to /25. C. Change the subnet mask of the hosts to /26.

D. Change the address of Workstation A to 192.0.2.15. E. Change the address of Workstation B to 192.0.2.111. Answer: AB

105. Your ISP has given you the address 223.5.14.6/29 to assign to your router's interface. They have

also given you the default gateway address of 223.5.14.7. After you have configured the address, the

router is unable to ping any remote devices. What is preventing the router from pinging remote devices?

A. The default gateway is not an address on this subnet.

B. The default gateway is the broadcast address for this subnet. C. The IP address is the broadcast address for this subnet. D. The IP address is an invalid class D multicast address. Answer: B

106. Which command is used to copy the configuration from RAM into NVRAM? A. copy running-config: startup-config B. copy startup-config: running-config: C. copy running config startup config D. copy startup config running config .

| English | Chinese(Traditional) | Chinese(Simplified) | - 42 - . Information Co., Ltd. All rights reserved.

E. write terminal Answer: A

107. Which command is used to load a configuration from a TFTP server and merge the configuration into RAM?

A. copy running-config: TFTP: B. copy TFTP: running-config

C. copy TFTP: startup-config D. copy startup-config: TFTP: Answer: B

108. A system administrator types the command to change the hostname of a router. Where on the Cisco

IFS is that change stored? A. NVRAM B. RAM C. FLA

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