思科认证640-802模拟试卷5

Which of the following devices can the Ezonexam network administrator use to segment the LAN? (Choose all that apply)

A. Hubs

B. Repeaters

C. Switches

D. Bridges

E. Routers

F. Media Converters

G. All of the above

You are working as a network technician at Ezonexam University, when you get a call from the Engineering Faculty. They're complaining that they're receiving obsolete information from the Business Faculty's network traffic broadcasts.

What can you do to contain the Business Faculty's broadcast while still keeping it connected to the internet and the enterprise services of the University? (Select all valid answer choices)

A. Use half and full-duplex Ethernet on the Engineering Department LAN

B. Establish a VTP domain to minimize the obsolete traffic

C. Change the switch IP address of the switch

D. Create separate VLANs and subnets for the two departments and route between the two

E. Provide greater bandwidth to the Engineering Department LAN

F. Place the business department on a separate subnet and route between networks

Your ISP has assigned you the following IP address and subnet mask:

IP address: 199.141.27.0

Subnet mask: 255.255.255.240

Which of the following addresses can be allocated to hosts on the resulting subnet?

(Select all that apply)

A. 199.141.27.2

B. 199.141.27.175

C. 199.141.27.13

D. 199.141.27.11

E. 199.141.27.208

F. 199.141.27.112

You need to create a new VLAN on your Catalyst switch. This VLAN is to be named EZONEXAM. Which of the following need to be completed for the creation of this new VLAN? (Select all that apply)

A. The EZONEXAM VLAN must be created.

B. The desired ports must be added to the new EZONEXAM VLAN.

C. The EZONEXAM VLAN must be added to all of the domains.

D. The EZONEXAM VLAN must be named.

E. An IP address must be configured for the EZONEXAM VLAN.

F. None of the above. VLAN creations are automatic.

What are some of the characteristics of a typical VLAN arrangement, found throughout the Ezonexam switched LAN? (Select all that apply)

A. VLANs logically divide a switch into multiple, independent switches at Layer 2.

B. Trunk links can carry traffic for multiple VLANs.

C. VLAN implementation significantly increases traffic due to added trunking information.

D. A VLAN can span multiple switches.

E. VLANs typically increase the number of switches needed

F. VLANs typically decrease the number of switches needed

Which of the following a true statements regarding the use of VLANs to segment a network? (Select three)

A. They increase the size of collision domains

B. They allow logical grouping of users by function.

C. They can enhance network security.

D. They increase the size of the broadcast domain while decreasing the number of collision domains.

E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

F. They simplify switch administration.

Which of following VLAN frame. encapsulation types are configurable on a Cisco switch? (Select two answer choices.)

A. VTP

B. 802.1Q

C. LLC

D. ISL

E. CDP

F. PAP

Which two of the following values does STP take into consideration when it elects the root bridge? (Select two answer choices)

A. The BPDU version number

B. The access layer bridge setting

C. The Bridge ID

D. The spanning-tree update number

E. The bridge priority

F. The VLAN number

You are the administrator of the Ezonexam LAN and you have been reviewing error logs of networking devices and notice a large number of errors associated with several MAC addresses. You suspect that some of the errors are being generated by the routers. Which router commands will allow you to find the ip address associated with each MAC address? (Choose two)

A. show arp

B. show version

C. show address

D. show hosts

E. show interface

F. show protocols

Which fields are included in the TCP header? (Choose three).

A. Source Port

B. Acknowledgement Number

C. Request Number

D. Destination Address

E. Window

F. Data

Which one of the following commands would you enter to terminate a VTY line session?

A. close

B. disable

C. disconnect

D. suspend

E. exit

F. None of the above

In a switched LAN network, what is the Spanning-Tree algorithm used for?

A. It is used to provide a mechanism for routing updates in switched environments.

B. It is used to prevent routing loops in networks with redundant routes.

C. It is used to prevent switching loops in networks with redundant switched routes.

D. It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.

E. It is used to segment a network into multiple collision domains.

F. None of the above.

G. All of the above are functions of STP.

What is the subnet for the host IP address 172.16.210.0/22?

A. 172.16.42.0

B. 172.16.107.0

C. 172.16.208.0

D. 172.16.252.0

E. 172.16.254.0

F. None of the above

Which protocol below uses TCP port 443 at layer 4?

A. HTML

B. HTTPS

C. TFTP

D. Telnet

E. SMTP

F. None of the above

Split horizon has been enabled within the Ezonexam routed network. Which one of the following statements best explains the split horizon rule?

Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?

A. EzonexamB>telnet

B. EzonexamB >ping

C. EzonexamB >trace

D. EzonexamB >show ip route

E. EzonexamB >show interface

F. EzonexamB >show cdp neighbors

Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?

A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?