Exam CISCO-640-802 v12(2.93) Part 1

| Tuesday, February 26, 2008

1.What are two reasons that a network administrator would use access lists? (Choose two.)

A:to control vty access into a router
B:to control broadcast traffic through a router
C:to filter traffic as it passes through a router
D:to filter traffic that originates from the router
E:to replace passwords as a line of defense against security incursions
Correct Answers: A, C

2.A default Frame Relay WAN is classified as what type of physical network?
A: point-to-point
B: broadcast multi-access
C: nonbroadcast multi-access
D: nonbroadcast multipoint
E: broadcast point-to-multipoint
Correct Answers: C

3.A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.)
A:mismatched TKIP encryption
B:null SSID
C:cordless phones
D:mismatched SSID
E:metal file cabinets
F:antenna type or direction
Correct Answers: C, E, F

4.Refer to the exhibit. How many broadcast domains exist in the exhibited topology?

A: one
B: two
C: three
D: four
E: five
F: six
Correct Answers: C

5.Hotspot



























Hotspot question. Click on the correct location or locations in the exhibit.
Correct Answers:







6.Refer to the exhibit. What two facts can be determined from the WLAN diagram? (Choose two.)



A:The area of overlap of the two cells represents a basic service set (BSS).
B:The network diagram represents an extended service set (ESS).
C:Access points in each cell must be configured to use channel 1.
D:The area of overlap must be less than 10% of the area to ensure connectivity.
E:The two APs should be configured to operate on different channels.
Correct Answers: B, E

7.The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?
A: This command should be executed from the global configuration mode.
B: The IP address 10.121.16.8 is the local router port used to forward data.
C: 102 is the remote DLCI that will receive the information.
D: This command is required for all Frame Relay configurations.
E: The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.
Correct Answers: E

8.Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server?
A: denial of service
B: brute force
C: reconnaissance
D: Trojan horse
Correct Answers: A

9.Which of the following are associated with the application layer of the OSI model? (Choose two.)
A:ping
B:Telnet
C:FTP
D:TCP
E:IP
Correct Answers: B, C

10.Refer to the exhibit. The network administrator has created a new VLAN on Switch1 and added host C and host D. The administrator has properly configured switch interfaces FastEthernet0/13 through FastEthernet0/24 to be members of the new VLAN. However, after the network administrator completed the configuration, host A could communicate with host B, but host A could not communicate with host C or host D. Which commands are required to resolve this problem?



A: Router(config)# interface fastethernet 0/1.3
Router(config-if)# encapsulation dot1q 3
Router(config-if)# ip address 192.168.3.1 255.255.255.0
B: Router(config)# router rip
Router(config-router)# network 192.168.1.0
Router(config-router)# network 192.168.2.0
Router(config-router)# network 192.168.3.0
C: Switch1# vlan database
Switch1(vlan)# vtp v2-mode
Switch1(vlan)# vtp domain cisco
Switch1(vlan)# vtp server
D: Switch1(config)# interface fastethernet 0/1
Switch1(config-if)# switchport mode trunk
Switch1(config-if)# switchport trunk encapsulation isl
Correct Answers: A

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